{"id":27350,"date":"2019-05-31T09:41:18","date_gmt":"2019-05-31T08:41:18","guid":{"rendered":"https:\/\/groupe-reussite.fr\/?page_id=27350"},"modified":"2024-02-06T17:25:05","modified_gmt":"2024-02-06T16:25:05","slug":"cours-en-ligne-physique-statistique-maths-spe","status":"publish","type":"page","link":"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-physique-statistique-maths-spe\/","title":{"rendered":"Physique statistique en maths sp\u00e9"},"content":{"rendered":"<div class=\"Latex_page\">\n<section class=\"has_ae_slider elementor-element elementor-section-full_width elementor-reverse-mobile elementor-section-stretched elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default elementor-section elementor-top-section\">\n<div class=\"elementor-container elementor-column-gap-no\">\n<div class=\"elementor-row\">\n<div class=\"elementor-column-wrap elementor-element-populated colone_elementor\">\n\t\t<div data-elementor-type=\"page\" data-elementor-id=\"79938\" class=\"elementor elementor-79938\">\n\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-5e3444f7 elementor-section-content-bottom elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"5e3444f7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1e7ea902 sticky_badeau_colone strick_col ae-bg-gallery-type-default\" data-id=\"1e7ea902\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-29d4bc17 elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"29d4bc17\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-307b99cd strick_col ae-bg-gallery-type-default\" data-id=\"307b99cd\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4086177 elementor-widget elementor-widget-heading\" data-id=\"4086177\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Cours en ligne Physique-Chimie en Maths Sp\u00e9<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7aa2a7eb elementor-widget elementor-widget-heading\" data-id=\"7aa2a7eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Chapitres Physique-Chimie en MP, PSI, PC, MPI, TSI, PT<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-588cf1ef elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"588cf1ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-diffusion-thermique-maths-spe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Diffusion thermique<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fb0b684 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"1fb0b684\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-conducteurs-ohmiques-maths-spe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Conducteurs ohmiques<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c452ac1 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"6c452ac1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-thermochimie-maths-spe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Thermochimie<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ccfb089 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"5ccfb089\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-referentiels-non-galileens-maths-spe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">R\u00e9f\u00e9rentiels non galil\u00e9ens<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5acab5b3 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"5acab5b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electrostatique-maths-spe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u00c9lectrostatique<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73361730 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"73361730\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-magnetostatique-induction-maths-spe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Magn\u00e9tostatique et induction<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34095238 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"34095238\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ondes-electromagnetiques-vide-maths-spe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Ondes dans le vide<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c4a6aa8 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"3c4a6aa8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ondes-electromagnetiques-milieu-maths-spe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Ondes dans les milieux<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-67b8eae5 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"67b8eae5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-physique-quantique-maths-spe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Physique quantique<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35f10a63 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"35f10a63\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-optique-physique-maths-spe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Optique physique<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2934a57e elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"2934a57e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-physique-statistique-maths-spe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Physique statistique<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29809fa3 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"29809fa3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electronique-signal-maths-spe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u00c9lectronique et signal<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22b8c1ec elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"22b8c1ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electrochimie-maths-spe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u00c9lectrochimie<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71b9149b elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"71b9149b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/groupe-reussite.fr\/nous-contacter\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">CONTACTEZ-NOUS<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-column-wrap elementor-element-populated colone_latex\">\n<div class=\"style_pag\" style=\"color: #000; font-family: 'Lato', Sans-serif;\">\n<div class=\"elementor-text-editor elementor-clearfix\">\n<h1 class=\"Latex_page_title\" style=\"text-align: center;\">Cours sur la physique statistique en MP, MPI, PC, PSI et PT<\/h1>\n<\/div>\n<p class=\"colone_latex_ancres\" style=\"text-align: center;\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-physique-statistique-maths-spe\/\">R\u00e9sum\u00e9 de cours<\/a> <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-physique-statistique-maths-spe\/\">Exercices et corrig\u00e9s<\/a><\/p>\n<p style=\"text-align: justify;\">En vue d&rsquo;aborder la physique statique, ce cours gratuit de physique chimie sp\u00e9cialement con\u00e7u pour les \u00e9tudiants en classes pr\u00e9paratoires, en maths sup se r\u00e9v\u00e9lera extr\u00eamement utile. Nous aborderons des notions de physique statistique en physique chimie tels la statique des fluides, facteur de Boltzmann, Physique statistique et les Capacit\u00e9s thermiques. Pour renforcer davantage votre niveau, nous vous recommandons vivement de consid\u00e9rer la possibilit\u00e9 de suivre nos <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\">cours en physique chimie<\/a>.<\/p>\n<h2 style=\"text-align: justify;\">Statique des fluides, facteur de Boltzmann en maths sp\u00e9<\/h2>\n<h3 style=\"text-align: justify;\"><b>M\u00e9thode 1.<\/b>\u00a0\u00c9tablir la loi de la statique des fluides.<\/h3>\n<p style=\"text-align: justify;\">On consid\u00e8re une particule de fluide de volume \u00e9l\u00e9mentaire <img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c6d73ff7b3a209c6f9cde15d6ff958c2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#92;&#116;&#97;&#117;&#61;&#100;&#120;&#92;&#99;&#100;&#111;&#116;&#32;&#100;&#121;&#92;&#99;&#100;&#111;&#116;&#32;&#100;&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"124\" style=\"vertical-align: -4px;\"\/> et de masse <img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0153b136aabbcddd1e19ab7d8b9c4869_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#109;&#61;&#92;&#109;&#117;&#32;&#100;&#92;&#116;&#97;&#117;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"78\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">* Elle subit les forces de contact qui se r\u00e9sument aux forces de pression normales aux parois (on est en statique des fluides, en m\u00e9canique des fluides, il faudrait ajouter les forces tangentielles de frottement, forces de viscosit\u00e9) dont la r\u00e9sultante volumique est<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-af32fbe73236e5fab02b2f2a6f60f6f2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#92;&#118;&#101;&#99;&#123;&#102;&#125;&#95;&#123;&#80;&#125;&#61;&#45;&#92;&#118;&#101;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#103;&#114;&#97;&#100;&#125;&#125;&#80;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"115\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">* Elle subit aussi les forces volumiques dont la principale est le poids<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-60bcaecc82852ff6fc343c93033b4881_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#117;&#92;&#118;&#101;&#99;&#123;&#103;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"22\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">* Dans le cas des <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-referentiels-non-galileens-maths-spe\/\">r\u00e9f\u00e9rentiels non galil\u00e9ens<\/a>, on doit ajouter la force d&rsquo;inertie d&rsquo;entra\u00eenement (la force de Coriolis est nulle car on est en statique des fuides)<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-479b3ae77bc653dbd6e3fbe0646c3ffc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#92;&#118;&#101;&#99;&#123;&#102;&#125;&#95;&#123;&#105;&#101;&#125;&#61;&#45;&#92;&#109;&#117;&#92;&#118;&#101;&#99;&#123;&#65;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"93\" style=\"vertical-align: -4px;\"\/> en RNG en translation<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b613fed8dad0d424b9ce6514b6af10fa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#92;&#118;&#101;&#99;&#123;&#102;&#125;&#95;&#123;&#105;&#101;&#125;&#61;&#92;&#109;&#117;&#92;&#79;&#109;&#101;&#103;&#97;&#94;&#50;&#92;&#118;&#101;&#99;&#123;&#72;&#77;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"120\" style=\"vertical-align: -4px;\"\/> en RNG en rotation<\/p>\n<p style=\"text-align: justify;\">* Dans le cas de fluides charg\u00e9s ou parcourus par des courants, en pr\u00e9sence de <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electrostatique-maths-spe\/\">champ \u00e9lectrique<\/a> ou magn\u00e9tique ext\u00e9rieur, il faut ajouter les forces de Lorentz<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-006fe8d44c9469b47c46c8f2cdbd8406_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#114;&#104;&#111;&#92;&#118;&#101;&#99;&#123;&#69;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"24\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f53394b3a83c169ffc75c43f62c1fa60_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#106;&#125;&#92;&#119;&#101;&#100;&#103;&#101;&#92;&#118;&#101;&#99;&#123;&#66;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"44\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">Dans le cas fondamental du fluide dans le r\u00e9f\u00e9rentiel terrestre \u00e0 proximit\u00e9 de la surface de la Terre, on a donc<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-93b6f81606a6e219ab070e104c88d414_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#92;&#118;&#101;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#103;&#114;&#97;&#100;&#125;&#125;&#80;&#43;&#92;&#109;&#117;&#92;&#118;&#101;&#99;&#123;&#103;&#125;&#61;&#92;&#118;&#101;&#99;&#123;&#48;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"137\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">(on rappelle que <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d3d6d1d954ef1c89c93a91c57d9006ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#103;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"11\" style=\"vertical-align: -4px;\"\/> contient \u00e0 la fois le terme de gravitation et celui d&rsquo;inertie d&rsquo;entra\u00eenement d\u00fb \u00e0 la rotation de la Terre).<\/p>\n<p style=\"text-align: justify;\"><b>D\u00e9monstration de cours.<\/b><\/p>\n<p style=\"text-align: justify;\">Montrer que la r\u00e9sultante volumique des forces de pression sur une particule de fluide parall\u00e9l\u00e9pip\u00e9dique vaut <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d17537ed63cbdf303c7f67d2907ee7ab_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#92;&#118;&#101;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#103;&#114;&#97;&#100;&#125;&#125;&#80;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"61\" style=\"vertical-align: -3px;\"\/><\/p>\n<h3 style=\"text-align: justify;\"><b>M\u00e9thode 2.<\/b>\u00a0R\u00e9soudre l&rsquo;\u00e9quation de la statique des fluides.<\/h3>\n<p style=\"text-align: justify;\">1. On \u00e9tablit par des arguments de sym\u00e9trie et d&rsquo;invariance quelles composantes sont non nulles et de quelles variables elles d\u00e9pendent.<\/p>\n<p style=\"text-align: justify;\">2. On projette la relation dans le syst\u00e8me de coordonn\u00e9es propos\u00e9es, en utilisant l&rsquo;expression (fournie) du gradient.<\/p>\n<p style=\"text-align: justify;\">3. On doit parfois combiner la relation avec d&rsquo;autres relations, typiquement<\/p>\n<p style=\"text-align: justify;\">3.a. l&rsquo;\u00e9quation d&rsquo;\u00e9tat du fluide \u00e9tudi\u00e9 (incompressibilit\u00e9, loi des GP, loi de Laplace par exemple)<\/p>\n<p style=\"text-align: justify;\">3.b. le th\u00e9or\u00e8me de Gauss gravitationnel ou sa forme locale pour d\u00e9terminer <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d208fd391fa57c168dc0f151de829fee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#103;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"\/>.<\/p>\n<p style=\"text-align: justify;\">On obtient ainsi un syst\u00e8me de relations diff\u00e9rentielles qu&rsquo;on int\u00e8gre entre un point que l&rsquo;on conna\u00eet et un point qu&rsquo;on \u00e9tudie.<\/p>\n<p style=\"text-align: justify;\"><b>Exemple<\/b><\/p>\n<p style=\"text-align: justify;\">D\u00e9terminer l&rsquo;expression de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3281388049a0f7e2f19025438b5c3d75_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#80;&#40;&#122;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"36\" style=\"vertical-align: -4px;\"\/> pour un liquide incompressible dans le champ de pesanteur uniforme, en prenant la pression \u00e9gale \u00e0 la pression atmosph\u00e9rique \u00e0 la surface en <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9e381c273c9f7ca5b93029ee2e8bab16_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" style=\"vertical-align: 0px;\"\/><\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"186625\" class=\"elementor elementor-186625\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-6fdc2bbf elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"6fdc2bbf\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-63929347 ae-bg-gallery-type-default\" data-id=\"63929347\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7b7eb697 elementor-headline--style-highlight elementor-widget elementor-widget-animated-headline\" data-id=\"7b7eb697\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;highlighted_text&quot;:&quot;physique chimie ?&quot;,&quot;headline_style&quot;:&quot;highlight&quot;,&quot;marker&quot;:&quot;circle&quot;,&quot;loop&quot;:&quot;yes&quot;,&quot;highlight_animation_duration&quot;:1200,&quot;highlight_iteration_delay&quot;:8000}\" data-widget_type=\"animated-headline.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h3 class=\"elementor-headline\">\n\t\t\t\t\t<span class=\"elementor-headline-plain-text elementor-headline-text-wrapper\">Tu veux r\u00e9ussir en<\/span>\n\t\t\t\t<span class=\"elementor-headline-dynamic-wrapper elementor-headline-text-wrapper\">\n\t\t\t\t\t<span class=\"elementor-headline-dynamic-text elementor-headline-text-active\">physique chimie ?<\/span>\n\t\t\t\t<\/span>\n\t\t\t\t<\/h3>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-294cd54d elementor-position-inline-start elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"294cd54d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-check-square\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tAcc\u00e8de aux meilleurs exercices et r\u00e9sum\u00e9s de cours\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h4>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75a1b33e elementor-position-inline-start elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"75a1b33e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-square\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tTravaille sur les annales en autonomie\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h4>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2cae82cd elementor-position-inline-start elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"2cae82cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-square\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tFais toi accompagner en cours \u00e0 domicile\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h4>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-876cb4 elementor-widget elementor-widget-text-editor\" data-id=\"876cb4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #163153;\">Les \u00e9l\u00e8ves que nous aidons en cours de physique -chimie \u00e0 domicile recommandent \u00e0 <strong>98%<\/strong> nos profs<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-2127124f ae-bg-gallery-type-default\" data-id=\"2127124f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-49a28f4e elementor-align-center elementor-widget elementor-widget-button\" data-id=\"49a28f4e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg\" href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\" target=\"_blank\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Prof de physique chimie<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4af6dba elementor-widget elementor-widget-text-editor\" data-id=\"4af6dba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><b>Avis Google France <br \/><\/b><span style=\"color: #e5a430;\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: justify;\"><b>M\u00e9thode 3.<\/b> Mettre en \u00e9vidence le facteur de Boltzmann<\/h3>\n<p style=\"text-align: justify;\">1. On consid\u00e8re l&rsquo;air assimil\u00e9 \u00e0 un gaz parfait isotherme soumis au champ de pesanteur uniforme.<\/p>\n<p style=\"text-align: justify;\">2. On combine la loi de la statique des fluides<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7f8551c60cd1c4d3d2759037b60d03de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#102;&#114;&#97;&#99;&#123;&#100;&#80;&#125;&#123;&#100;&#122;&#125;&#61;&#45;&#92;&#109;&#117;&#40;&#122;&#41;&#103;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"105\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify;\">avec la loi des gaz parfaits<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-79484c7b87566f29040a9242e7c74d3a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#80;&#40;&#122;&#41;&#77;&#61;&#92;&#109;&#117;&#40;&#122;&#41;&#82;&#84;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"140\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">3. On en d\u00e9duit<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f883e94c6cba25b7f367cc648a43e0b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#80;&#40;&#122;&#41;&#61;&#80;&#95;&#48;&#92;&#101;&#120;&#112;&#92;&#108;&#101;&#102;&#116;&#40;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#77;&#103;&#122;&#125;&#123;&#82;&#84;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"190\" style=\"vertical-align: -17px;\"\/><\/p>\n<p style=\"text-align: justify;\">soit, en notant <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e60dcb314c8d129d5711641890c7c185_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#61;&#77;&#47;&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#78;&#125;&#95;&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"91\" style=\"vertical-align: -5px;\"\/> la masse d&rsquo;une mol\u00e9cule<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-bd3f73ab9dc4ca1ebd927d31f5ae08f5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#80;&#40;&#122;&#41;&#61;&#80;&#95;&#48;&#92;&#101;&#120;&#112;&#92;&#108;&#101;&#102;&#116;&#40;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#109;&#103;&#122;&#125;&#123;&#107;&#95;&#66;&#84;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"187\" style=\"vertical-align: -17px;\"\/><\/p>\n<p style=\"text-align: justify;\">Le facteur de Boltzmann est l&rsquo;exponentielle<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d8882e19fa1da02996f0920c25c7af28_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#101;&#120;&#112;&#92;&#108;&#101;&#102;&#116;&#40;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#101;&#95;&#112;&#125;&#123;&#101;&#95;&#116;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"87\" style=\"vertical-align: -17px;\"\/> avec<\/p>\n<p style=\"text-align: justify;\">* <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9289b58febaac637862bde297782a899_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#101;&#112;&#61;&#109;&#103;&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"74\" style=\"vertical-align: -4px;\"\/> \u00e9nergie potentielle de pesanteur d&rsquo;une mol\u00e9cule<\/p>\n<p style=\"text-align: justify;\">* <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-407e6d33379dfdc4147ef5b05099b2d5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#101;&#95;&#116;&#61;&#107;&#95;&#66;&#84;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"72\" style=\"vertical-align: -3px;\"\/> \u00e9nergie <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-diffusion-thermique-maths-spe\/\">thermique<\/a> d&rsquo;agitation.<\/p>\n<p style=\"text-align: justify;\"><b>Exemple<\/b><\/p>\n<p style=\"text-align: justify;\">Mettre le facteur de Boltzmann sous la forme<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7ae41ab1bfc22d14ed6965ecfa51e42f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#101;&#120;&#112;&#92;&#108;&#101;&#102;&#116;&#40;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#122;&#125;&#123;&#92;&#100;&#101;&#108;&#116;&#97;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"33\" width=\"75\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify;\">et pr\u00e9ciser l&rsquo;ordre de grandeur et le sens <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-optique-physique-maths-spe\/\">physique<\/a> de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-02c416d77f6650e9c7849397bf6e11bf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#101;&#108;&#116;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"\/><\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"163687\" class=\"elementor elementor-163687\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-77e012ea elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"77e012ea\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-355ab73 ae-bg-gallery-type-default\" data-id=\"355ab73\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5d4ef7c3 elementor-widget elementor-widget-heading\" data-id=\"5d4ef7c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">COURS PARTICULIERS DE PHYSIQUE<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-db1f79b elementor-widget elementor-widget-heading\" data-id=\"db1f79b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Nous avons recrut\u00e9 pour vous les meilleurs profs de physique.<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dd0b35f elementor-widget elementor-widget-heading\" data-id=\"4dd0b35f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">POUR M'AM\u00c9LIORER EN PHYSIQUE, JE CHERCHE DES<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-167b42f7 elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"167b42f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique\/tous-niveaux\/france\/\" target=\"_blank\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Cours particuliers physique<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60d6239c elementor-widget elementor-widget-text-editor\" data-id=\"60d6239c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: left\"><b>Avis Google France <\/b><span style=\"color: #e5a430\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-1f06ea06 ae-bg-gallery-type-default\" data-id=\"1f06ea06\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\">Physique statistique en CPGE<\/h2>\n<h3 style=\"text-align: justify;\">M\u00e9thode 1.\u00a0<b>Exprimer les probabilit\u00e9s et les r\u00e9partitions des particules selon les \u00e9tats d&rsquo;\u00e9nergie<\/b><\/h3>\n<p style=\"text-align: justify;\">Soient <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5793832f979c2268e3694c246d53b1bb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#78;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"\/> particules ind\u00e9pendantes, pouvant prendre des \u00e9tats (<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3422b6bb5c160593658b7c39425d9880_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"9\" style=\"vertical-align: 0px;\"\/>) non d\u00e9g\u00e9n\u00e9r\u00e9s en \u00e9nergie (<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ef15a8e23f3619d7015d8b84128aa16a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#95;&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"20\" style=\"vertical-align: -3px;\"\/>) (il y a bijection entre les \u00e9tats et les \u00e9nergies, donc \u00e0 chaque \u00e9nergie donn\u00e9e correspond un unique \u00e9tat), \u00e0 l&rsquo;\u00e9quilibre thermique avec un thermostat \u00e0 la temp\u00e9rature <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f9ed275b0bf1633b7ee83b78fcc28273_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/>.<\/p>\n<p style=\"text-align: justify;\">1. La probabilit\u00e9 est donn\u00e9e par la statistique de Maxwell-Boltzmann<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b1ccb18c6fe97a1d3cc202f9876a376e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#112;&#95;&#107;&#61;&#112;&#40;&#69;&#61;&#69;&#95;&#107;&#41;&#61;&#65;&#92;&#101;&#120;&#112;&#92;&#108;&#101;&#102;&#116;&#40;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#69;&#125;&#123;&#69;&#95;&#107;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"256\" style=\"vertical-align: -17px;\"\/><\/p>\n<p style=\"text-align: justify;\">2. On trouve la constante <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> en normalisant<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ad3e1ee92c5954e742d83bce36be0b4b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#83;&#105;&#103;&#109;&#97;&#95;&#123;&#107;&#125;&#112;&#95;&#107;&#61;&#49;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"70\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">3. On en d\u00e9duit l&rsquo;effectif dans un \u00e9tat <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3422b6bb5c160593658b7c39425d9880_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"9\" style=\"vertical-align: 0px;\"\/> donn\u00e9<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8e47b097fe8db921d8613ced5cf28c65_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#78;&#95;&#107;&#61;&#112;&#95;&#107;&#92;&#99;&#100;&#111;&#116;&#32;&#78;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"92\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\"><b>Exemple.\u00a0<\/b><\/p>\n<p style=\"text-align: justify;\">Un syst\u00e8me poss\u00e8de deux \u00e9tats (fondamental <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5e437be25f29374d30f66cd46adf81c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/> et excit\u00e9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3fc193f43cc29c1eef788f64ba43c1bd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#101;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"\/>) d&rsquo;\u00e9nergies\u00a0 respectives <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5e437be25f29374d30f66cd46adf81c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ecb3ec0fc6866e26ec884145e44be817_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#97;&#114;&#101;&#112;&#115;&#105;&#108;&#111;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify;\">Donner l&rsquo;expression de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f1e7666878c0edd7abc91a770bbc1062_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"17\" style=\"vertical-align: -4px;\"\/><\/p>\n<h3 style=\"text-align: justify;\">M\u00e9thode 2.\u00a0<b>Prise en compte de d\u00e9g\u00e9n\u00e9rescences\u00a0[compl\u00e9ment de programme]<\/b><\/h3>\n<p style=\"text-align: justify;\">On note <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-835de27920507b720f80782dbc8fffb7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#103;&#95;&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"15\" style=\"vertical-align: -4px;\"\/> la d\u00e9g\u00e9n\u00e9rescence associ\u00e9e \u00e0 l&rsquo;\u00e9nergie <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ef15a8e23f3619d7015d8b84128aa16a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#95;&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"20\" style=\"vertical-align: -3px;\"\/>, ce qui signifie qu&rsquo;il existe <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-835de27920507b720f80782dbc8fffb7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#103;&#95;&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"15\" style=\"vertical-align: -4px;\"\/> \u00e9tats distincts de m\u00eame \u00e9nergie <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ef15a8e23f3619d7015d8b84128aa16a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#95;&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"20\" style=\"vertical-align: -3px;\"\/>, on les note<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-001ca962b2ec25f53a220cbe3f254523_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#107;&#44;&#49;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"39\" style=\"vertical-align: -4px;\"\/>, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-50d9626c634209f3b1538ef2aac831fe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#107;&#44;&#50;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"39\" style=\"vertical-align: -4px;\"\/>, &#8230;, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8251baa97eb4689b927e90b085f98459_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#107;&#44;&#103;&#95;&#107;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"46\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">La probabilit\u00e9 de l&rsquo;\u00e9nergie <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ef15a8e23f3619d7015d8b84128aa16a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#95;&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"20\" style=\"vertical-align: -3px;\"\/> vaut alors<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1861f1d3868b669ff0b3f5597539400d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#112;&#95;&#107;&#61;&#65;&#103;&#95;&#107;&#92;&#101;&#120;&#112;&#92;&#108;&#101;&#102;&#116;&#40;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#69;&#95;&#107;&#125;&#123;&#69;&#125;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"167\" style=\"vertical-align: -17px;\"\/><\/p>\n<p style=\"text-align: justify;\"><b>Exemple.<\/b><\/p>\n<p style=\"text-align: justify;\">Un syst\u00e8me poss\u00e8de trois \u00e9tats (fondamental <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5e437be25f29374d30f66cd46adf81c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/>, fondamental <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4868771cbc422b5818f85500909ce433_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"7\" style=\"vertical-align: -1px;\"\/> et excit\u00e9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3fc193f43cc29c1eef788f64ba43c1bd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#101;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"\/>) d&rsquo;\u00e9nergies respectives <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5e437be25f29374d30f66cd46adf81c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/>, de d\u00e9g\u00e9n\u00e9rescence 2 et <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ecb3ec0fc6866e26ec884145e44be817_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#97;&#114;&#101;&#112;&#115;&#105;&#108;&#111;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"\/> de d\u00e9g\u00e9n\u00e9rescence 1.<\/p>\n<p style=\"text-align: justify;\">Donner l&rsquo;expression de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-175ae8f9bc83feb3485f1841c0391022_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;&#40;&#69;&#61;&#48;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"70\" style=\"vertical-align: -4px;\"\/><\/p>\n<h3 style=\"text-align: justify;\">M\u00e9thode 3.\u00a0<b>Calcul de l&rsquo;\u00e9nergie moyenne<\/b><\/h3>\n<p style=\"text-align: justify;\">1. On calcule les probabilit\u00e9s <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-246a87e28e6d0114e2442071efcab646_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;&#95;&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"17\" style=\"vertical-align: -4px;\"\/>\u00a0 des \u00e9tats.<\/p>\n<p style=\"text-align: justify;\">2. L&rsquo;\u00e9nergie moyenne est assimil\u00e9e \u00e0 l&rsquo;esp\u00e9rance de l&rsquo;\u00e9nergie<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-354c0750a7322dd6f7787176dfcfb790_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#60;&#69;&#62;&#61;&#92;&#83;&#105;&#103;&#109;&#97;&#95;&#107;&#112;&#95;&#107;&#69;&#95;&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"128\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\"><b>Exemple.\u00a0<\/b><\/p>\n<p style=\"text-align: justify;\">Un syst\u00e8me poss\u00e8de deux \u00e9tats (fondamental <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5e437be25f29374d30f66cd46adf81c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/> et excit\u00e9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3fc193f43cc29c1eef788f64ba43c1bd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#101;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"\/>) d&rsquo;\u00e9nergies\u00a0 respectives <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5e437be25f29374d30f66cd46adf81c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ecb3ec0fc6866e26ec884145e44be817_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#97;&#114;&#101;&#112;&#115;&#105;&#108;&#111;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify;\">Donner l&rsquo;expression de <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b030357273440025ecf626a0382799f7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#60;&#69;&#62;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"50\" style=\"vertical-align: 0px;\"\/><\/p>\n<h3 style=\"text-align: justify;\">M\u00e9thode 4.\u00a0<b>Cas du syst\u00e8me \u00e0 deux niveaux oppos\u00e9s <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2cfd50b332e4b1eaa0dffbd69a5cb1d5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#112;&#109;&#92;&#118;&#97;&#114;&#101;&#112;&#115;&#105;&#108;&#111;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"22\" style=\"vertical-align: 0px;\"\/><\/b><\/h3>\n<p style=\"text-align: justify;\">C&rsquo;est un cas d&rsquo;\u00e9cole, on pose<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-60e48a572aa6d75dce49f4b2a6395711_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#120;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#118;&#97;&#114;&#101;&#112;&#115;&#105;&#108;&#111;&#110;&#125;&#123;&#107;&#95;&#66;&#84;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"35\" width=\"70\" style=\"vertical-align: -15px;\"\/><\/p>\n<p style=\"text-align: justify;\">On en d\u00e9duit les probabilit\u00e9s<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-68e358da48fe7bb60a9470902f21bd61_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#112;&#94;&#45;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#101;&#120;&#112;&#32;&#120;&#125;&#123;&#92;&#101;&#120;&#112;&#32;&#120;&#43;&#92;&#101;&#120;&#112;&#40;&#45;&#120;&#41;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"174\" style=\"vertical-align: -16px;\"\/><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-04a19e9bd4fa7457f2c6a381986910d8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#112;&#94;&#43;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#45;&#92;&#101;&#120;&#112;&#32;&#120;&#125;&#123;&#92;&#101;&#120;&#112;&#32;&#120;&#43;&#92;&#101;&#120;&#112;&#40;&#45;&#120;&#41;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"174\" style=\"vertical-align: -16px;\"\/><\/p>\n<p style=\"text-align: justify;\">Et l&rsquo;\u00e9nergie moyenne<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6f8bf600746670519511aa2dffa6a508_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#60;&#69;&#62;&#61;&#45;&#92;&#118;&#97;&#114;&#101;&#112;&#115;&#105;&#108;&#111;&#110;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#116;&#104;&#125;&#40;&#120;&#41;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"131\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">avec <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6f0064454df7174b1b8c202c3ed13744_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#116;&#104;&#125;&#40;&#120;&#41;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#115;&#104;&#125;&#40;&#120;&#41;&#125;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#99;&#104;&#40;&#120;&#41;&#125;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"107\" style=\"vertical-align: -16px;\"\/><\/p>\n<p style=\"text-align: justify;\">Ou <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d5d5cd1d9f718aa9553be6b1b992c7b2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#116;&#104;&#125;&#40;&#120;&#41;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#101;&#94;&#120;&#45;&#101;&#94;&#123;&#45;&#120;&#125;&#125;&#123;&#101;&#94;&#120;&#43;&#101;&#94;&#123;&#45;&#120;&#125;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"132\" style=\"vertical-align: -14px;\"\/><\/p>\n<p style=\"text-align: justify;\"><b>Exemple.<\/b><\/p>\n<p style=\"text-align: justify;\">Calculer l&rsquo;\u00e9nergie moyenne pour <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4242162642cc356e54a31128a9ce2fb0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;&#61;&#50;&#92;&#118;&#97;&#114;&#101;&#112;&#115;&#105;&#108;&#111;&#110;&#47;&#107;&#95;&#66;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"82\" style=\"vertical-align: -5px;\"\/> et interpr\u00e9ter le r\u00e9sultat.<\/p>\n<h2 style=\"text-align: justify;\">Capacit\u00e9s thermiques<\/h2>\n<h3 style=\"text-align: justify;\">M\u00e9thode 1.\u00a0<b>Calculer une capacit\u00e9 thermique<\/b><\/h3>\n<p style=\"text-align: justify;\">1. \u00c0 partie de la valeur moyenne de l&rsquo;\u00e9nergie d&rsquo;un constituant unique, on multiplie par la constante d&rsquo;Avogadro pour d\u00e9terminer l&rsquo;\u00e9nergie interne massique<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2c3ed5801753e1805827af67c7bfcc7b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#85;&#95;&#109;&#61;&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#78;&#125;&#95;&#65;&#92;&#99;&#100;&#111;&#116;&#32;&#60;&#69;&#62;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"134\" style=\"vertical-align: -3px;\"\/><\/p>\n<p style=\"text-align: justify;\">2. On identifie <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ce9ecd6e5a839076d4638f29d782ac8d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#85;&#95;&#109;&#61;&#67;&#95;&#123;&#86;&#44;&#109;&#125;&#100;&#84;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"118\" style=\"vertical-align: -6px;\"\/> et on en d\u00e9duit la capacit\u00e9 thermique molaire \u00e0 volume constant<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8e6a886ab4ebdb7f43cf2851f87a2816_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#67;&#95;&#109;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#32;&#85;&#95;&#109;&#125;&#123;&#92;&#112;&#97;&#114;&#116;&#105;&#97;&#108;&#32;&#84;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"87\" style=\"vertical-align: -13px;\"\/><\/p>\n<p style=\"text-align: justify;\"><b>Exemple.\u00a0<\/b><\/p>\n<p style=\"text-align: justify;\">Calculer la capacit\u00e9 thermique molaire d&rsquo;un syst\u00e8me de particules \u00e0 deux niveaux d&rsquo;\u00e9nergie <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2cfd50b332e4b1eaa0dffbd69a5cb1d5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#112;&#109;&#92;&#118;&#97;&#114;&#101;&#112;&#115;&#105;&#108;&#111;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"22\" style=\"vertical-align: 0px;\"\/><\/p>\n<h3 style=\"text-align: justify;\">M\u00e9thode 2.\u00a0<b>Utiliser le th\u00e9or\u00e8me d&rsquo;\u00e9quipartition de l&rsquo;\u00e9nergie<\/b><\/h3>\n<p style=\"text-align: justify;\">1. On d\u00e9veloppe l&rsquo;\u00e9nergie totale de la particule en termes ind\u00e9pendants deux \u00e0 deux.<\/p>\n<p style=\"text-align: justify;\">2. On identifie les <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3bf85f1087e9fbed3a319341134ac1a2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: -4px;\"\/> termes quadratiques, du type <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-03faa4051cfffebd02b059113fb57d68_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#92;&#98;&#101;&#116;&#97;&#92;&#99;&#100;&#111;&#116;&#32;&#117;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"50\" style=\"vertical-align: -6px;\"\/>.<\/p>\n<p style=\"text-align: justify;\">3. Le th\u00e9or\u00e8me d&rsquo;\u00e9quipartition de l&rsquo;\u00e9nergie (TEE) \u00e9nonce que la valeur moyenne de chaque terme quadratique vaut <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ec2d8b451b653b4d258b64d700518888_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#107;&#95;&#66;&#84;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"43\" style=\"vertical-align: -6px;\"\/><\/p>\n<p style=\"text-align: justify;\">On en d\u00e9duit, si on peut assurer que les autres termes de l&rsquo;\u00e9nergie sont n\u00e9gligeables devant les termes quadratiques, ou si leur valeur moyenne est nulle<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ce5f798f31e3bc19408fd2b0462e8807_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#60;&#69;&#62;&#61;&#112;&#92;&#99;&#100;&#111;&#116;&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#107;&#95;&#66;&#84;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"136\" style=\"vertical-align: -6px;\"\/><\/p>\n<p style=\"text-align: justify;\">4. On en d\u00e9duit que<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8b2c0ce8bdf2dbff2d0ad78f830bf462_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#67;&#95;&#109;&#61;&#112;&#92;&#99;&#100;&#111;&#116;&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#82;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"96\" style=\"vertical-align: -6px;\"\/><\/p>\n<p style=\"text-align: justify;\"><b>Exemple.\u00a0<\/b><\/p>\n<p style=\"text-align: justify;\">Calculer la capacit\u00e9 thermique d&rsquo;un gaz parfait monoatomique.<\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"185170\" class=\"elementor elementor-185170\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-6b341a34 elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"6b341a34\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-34c128f3 ae-bg-gallery-type-default\" data-id=\"34c128f3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-43d83f8d ae-bg-gallery-type-default\" data-id=\"43d83f8d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-513d88e5 elementor-widget elementor-widget-heading\" data-id=\"513d88e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">STAGE DE FRANCAIS PR\u00c9PA SCIENTIFIQUE<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca170e9 elementor-widget elementor-widget-heading\" data-id=\"ca170e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Acqu\u00e9rir les m\u00e9thodes et s'exercer<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f6e12c0 elementor-widget elementor-widget-text-editor\" data-id=\"1f6e12c0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong><span style=\"color: #e5a431;\">&#8211;&gt;<\/span><\/strong> <span style=\"color: #183153;\">Les meilleurs professeurs de CPGE en fran\u00e7ais<\/span><br \/><span style=\"color: #183153;\"><span style=\"color: #97caef;\"><b>&#8211;&gt; <\/b><\/span><\/span><span style=\"color: #183153;\">Les sujets de dissertation \u00e0 traiter en sup et sp\u00e9<\/span><br \/><strong><span style=\"color: #a64d79;\">&#8211;&gt;<\/span><\/strong> <span style=\"color: #183153;\">4 points gagn\u00e9s aux concours en moyenne<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c89ffae elementor-align-center elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"3c89ffae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/groupe-reussite.fr\/stages\/toutes-matieres\/prepa-scientifique\/france\/toutes-periodes\/\" target=\"_blank\" id=\"CTA_PRD_STAGE\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Stage de fran\u00e7ais en pr\u00e9pa scientifique<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21c9016e elementor-widget elementor-widget-text-editor\" data-id=\"21c9016e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><b>Avis Google France <\/b><span style=\"color: #e5a430;\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: justify;\">M\u00e9thode 3.\u00a0<b>\u00c9noncer et prouver la loi de Dulong et Petit<\/b><\/h3>\n<p style=\"text-align: justify;\">1. On assimile chaque atome d&rsquo;un cristal m\u00e9tallique \u00e0 une bille de masse <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6b41df788161942c6f98604d37de8098_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"\/> pouvant vibrer autour d&rsquo;une position moyenne, choisie arbitrairement comme origine du rep\u00e8re, selon les trois axes <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ede05c264bba0eda080918aaa09c4658_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"\/>, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0af556714940c351c933bba8cf840796_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"\/>, et <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/>, et reli\u00e9 \u00e0 sa position d&rsquo;\u00e9quilibre par un ressort de longueur \u00e0 vide nulle et de constante de raideur <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3422b6bb5c160593658b7c39425d9880_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"9\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify;\">2. On en d\u00e9duit l&rsquo;\u00e9nergie de l&rsquo;atome<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-28ac504cd2ffbe5c069c21d3706ce074_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#69;&#61;&#69;&#99;&#43;&#69;&#112;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"104\" style=\"vertical-align: -4px;\"\/> avec<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-86a045d0a4cd2ff3ec618b91be6a52cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#69;&#99;&#61;&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#92;&#115;&#116;&#97;&#99;&#107;&#114;&#101;&#108;&#123;&#92;&#99;&#100;&#111;&#116;&#125;&#123;&#120;&#125;&#94;&#50;&#43;&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#92;&#115;&#116;&#97;&#99;&#107;&#114;&#101;&#108;&#123;&#92;&#99;&#100;&#111;&#116;&#125;&#123;&#121;&#125;&#94;&#50;&#43;&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#109;&#92;&#115;&#116;&#97;&#99;&#107;&#114;&#101;&#108;&#123;&#92;&#99;&#100;&#111;&#116;&#125;&#123;&#122;&#125;&#94;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"233\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-636b1b3bd66918e8e767f28c6643d76a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#69;&#112;&#61;&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#107;&#120;&#94;&#50;&#43;&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#107;&#121;&#94;&#50;&#43;&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#107;&#122;&#94;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"208\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify;\">3. On identifie <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3f5e738072a6878da15e4d77af077c4a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;&#61;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"43\" style=\"vertical-align: -4px;\"\/> termes quadratiques et on en d\u00e9duit que<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-84223f7d86bcb38c607adc5d92b3bdfb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#67;&#95;&#109;&#61;&#54;&#92;&#99;&#100;&#111;&#116;&#92;&#102;&#114;&#97;&#99;&#49;&#50;&#82;&#61;&#51;&#82;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"144\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-954f6025a5eea7d05d2edea4a2d64711_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#67;&#95;&#109;&#61;&#50;&#52;&#44;&#57;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#74;&#92;&#99;&#100;&#111;&#116;&#32;&#75;&#94;&#123;&#45;&#49;&#125;&#92;&#99;&#100;&#111;&#116;&#32;&#109;&#111;&#108;&#94;&#123;&#45;&#49;&#125;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"203\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\"><b>Exemple.<\/b><\/p>\n<p style=\"text-align: justify;\">La capacit\u00e9 thermique massique de l&rsquo;aluminium vaut <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4c9a6b44e2e40b4f21d752279b39351f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#99;&#61;&#56;&#57;&#55;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#74;&#92;&#99;&#100;&#111;&#116;&#32;&#75;&#94;&#123;&#45;&#49;&#125;&#92;&#99;&#100;&#111;&#116;&#32;&#107;&#103;&#94;&#123;&#45;&#49;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"166\" style=\"vertical-align: -3px;\"\/> et sa masse molaire <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-179b834335d08dc3eafed4d55add38b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;&#61;&#48;&#44;&#48;&#50;&#55;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#107;&#103;&#92;&#99;&#100;&#111;&#116;&#32;&#109;&#111;&#108;&#94;&#123;&#45;&#49;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"169\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify;\">Pour une pr\u00e9paration efficace aux concours de Maths Sp\u00e9, il est important de revenir sur des chapitres abord\u00e9s en tout d\u00e9but d&rsquo;ann\u00e9e, car des lacunes sur des chapitres de d\u00e9but d&rsquo;ann\u00e9e pourraient vous co\u00fbter des points. Reprenez et r\u00e9visez par exemple, ces quelques chapitres :<\/p>\n<ul>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electronique-signal-maths-spe\/\">Cours sur l&rsquo;\u00e9lectronique et le signal en CPGE<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electrochimie-maths-spe\/\">Cours en ligne : l&rsquo;\u00e9lectrochimie maths spe<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-diffusion-thermique-maths-spe\/\">Resume de cours sur la diffusion thermique<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-conducteurs-ohmiques-maths-spe\/\">Conducteurs ohmiques : cours en maths spe <\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-thermochimie-maths-spe\/\">Cours sur la thermochimie en MP, MPI, PSI, PC et PT<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-physique-statistique-maths-spe\/\">Exercices et corrig\u00e9s sur la physique statistique en pr\u00e9pa<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cours sur la physique statistique en MP, MPI, PC, PSI et PT R\u00e9sum\u00e9 de cours Exercices et corrig\u00e9s En vue d&rsquo;aborder la physique statique, ce cours gratuit de physique chimie sp\u00e9cialement con\u00e7u pour les \u00e9tudiants en classes pr\u00e9paratoires, en maths sup se r\u00e9v\u00e9lera extr\u00eamement utile. Nous aborderons des notions de physique statistique en physique chimie [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ocean_post_layout":"full-screen","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"ressource","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"on","ocean_disable_heading":"on","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"on","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":""},"class_list":["post-27350","page","type-page","status-publish","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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