{"id":326,"date":"2019-08-31T13:17:57","date_gmt":"2019-08-31T11:17:57","guid":{"rendered":"http:\/\/caneri.gmollet.free.fr\/?page_id=326"},"modified":"2023-09-13T15:41:04","modified_gmt":"2023-09-13T13:41:04","slug":"activite-vi","status":"publish","type":"page","link":"https:\/\/courscaneri.ovh\/?page_id=326","title":{"rendered":"Activit\u00e9 VI &#8211; D\u00e9rivation et application aux fonctions polyn\u00f4mes"},"content":{"rendered":"<p>Un dragster aurait atteint la vitesse de <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-78917ceb8d48f0ec39a4c89105d71360_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#54;&#48;&#126;&#107;&#109;&#47;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"77\" style=\"vertical-align: -5px;\"\/><\/code> en <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-3dfb0704474a274b67001b56a23d31d6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#48;&#126;&#115;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"31\" style=\"vertical-align: 0px;\"\/><\/code>.<br \/>\nEn supposant l&#8217;acc\u00e9l\u00e9ration constante, on d\u00e9montre que cela exerce sur le pilote une pouss\u00e9e horizontale sensiblement \u00e9gale \u00e0 son propre poids, et que la distance (en m\u00e8tres) au point de d\u00e9part du dragster est donn\u00e9e par la fonction :<\/p>\n<p><code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-562f930f320515bdf3c6a53ac0d4dbbe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#58;&#32;&#116;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#95;&#43;&#92;&#109;&#97;&#112;&#115;&#116;&#111;&#32;&#53;&#116;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"126\" style=\"vertical-align: -5px;\"\/><\/code>, o\u00f9 <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-fd9cb27edab3f0a8a249bc80cc9c6ee2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"\/><\/code> est la dur\u00e9e en seconde.<\/p>\n<ol>\n<li>Quelle est la distance parcourue en <code class=\"katex-inline\">10<\/code> secondes ?<\/li>\n<li>Quelle est la vitesse moyenne du dragster sur les <code class=\"katex-inline\">10<\/code> secondes parcourues? Elle sera donn\u00e9e en en <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-a9c3b329bd53e76888d125518d0c5004_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#46;&#115;&#94;&#123;&#45;&#49;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"46\" style=\"vertical-align: 0px;\"\/><\/code>.<\/li>\n<li>Quelle est la vitesse moyenne entre les instants <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-5a4f6a3551fd3e9fd22702244d20c077_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#126;&#115;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: 0px;\"\/><\/code> et <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-6b790dac80f2d4d1a4cb183c6863440b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#53;&#126;&#115;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"23\" style=\"vertical-align: 0px;\"\/><\/code> ?<\/li>\n<li>Repr\u00e9senter graphiquement <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-b7950117119e0530b9b4632250a915c5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"\/><\/code> en fonction de <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-fd9cb27edab3f0a8a249bc80cc9c6ee2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"\/><\/code>.<\/li>\n<li>On se propose de calculer la vitesse du dragster apr\u00e8s <code class=\"katex-inline\">3<\/code> secondes.<br \/>\na. Soit <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-c254595341cc01534740501d4573ca6c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#104;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#95;&#43;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"55\" style=\"vertical-align: -5px;\"\/><\/code>. Donner la formule qui donne la vitesse moyenne <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-152b373a813675d7e94667f234fb26d0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#86;&#95;&#109;&#40;&#51;&#59;&#51;&#43;&#104;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"93\" style=\"vertical-align: -5px;\"\/><\/code> du dragster entre les instants <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-ce2009a45822333037922ccca0872a55_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/><\/code> et <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-cca708133e6ef727276c0f9ad0fc405f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#43;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"41\" style=\"vertical-align: -2px;\"\/><\/code>.<br \/>\nb.Calculer cette vitesse moyenne pour <code class=\"katex-inline\">h<\/code> donn\u00e9 dans le tableau ci-dessous (en <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-a9c3b329bd53e76888d125518d0c5004_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#46;&#115;&#94;&#123;&#45;&#49;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"46\" style=\"vertical-align: 0px;\"\/>).<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center;\">h<\/th>\n<th style=\"text-align: center;\"><code class=\"katex-inline\">1<\/code><\/th>\n<th style=\"text-align: center;\"><code class=\"katex-inline\">0,1<\/code><\/th>\n<th style=\"text-align: center;\"><code class=\"katex-inline\">0,01<\/code><\/th>\n<th style=\"text-align: center;\"><code class=\"katex-inline\">0,001<\/code><\/th>\n<th style=\"text-align: center;\"><code class=\"katex-inline\">0,0001<\/code><\/th>\n<th style=\"text-align: center;\"><code class=\"katex-inline\">0,00001<\/code><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-152b373a813675d7e94667f234fb26d0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#86;&#95;&#109;&#40;&#51;&#59;&#51;&#43;&#104;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"93\" style=\"vertical-align: -5px;\"\/><\/code><\/td>\n<td style=\"text-align: center;\"><\/td>\n<td style=\"text-align: center;\"><\/td>\n<td style=\"text-align: center;\"><\/td>\n<td style=\"text-align: center;\"><\/td>\n<td style=\"text-align: center;\"><\/td>\n<td style=\"text-align: center;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>c. D&#8217;apr\u00e8s le tableau, que peut-on dire de <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-152b373a813675d7e94667f234fb26d0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#86;&#95;&#109;&#40;&#51;&#59;&#51;&#43;&#104;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"93\" style=\"vertical-align: -5px;\"\/><\/code> quand <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-2ce27f7d2d82e3b238176ec7e7ee9118_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"\/><\/code> devient petit ?<br \/>\nd. En d\u00e9duire <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-986312b2e33c52df61a65f006af74520_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#92;&#108;&#105;&#109;&#105;&#116;&#115;&#95;&#123;&#104;&#92;&#116;&#111;&#32;&#48;&#125;&#86;&#95;&#109;&#40;&#51;&#59;&#51;&#43;&#104;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"27\" width=\"125\" style=\"vertical-align: -13px;\"\/><\/code>. Que repr\u00e9sente physiquement cette quantit\u00e9 ?<\/li>\n<li>Soit <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-9039ef38f14f8795ce6f89a2bd662611_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#92;&#105;&#110;&#32;&#91;&#48;&#59;&#49;&#48;&#93;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"74\" style=\"vertical-align: -5px;\"\/><\/code>. Soit <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-957356f22c74eefb30e837e21804df41_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#104;&#92;&#105;&#110;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#95;&#43;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"55\" style=\"vertical-align: -5px;\"\/><\/code> de telle sorte que <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-2678244cc8700bbea49c946ef2489226_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#43;&#104;&#92;&#105;&#110;&#32;&#91;&#48;&#59;&#49;&#48;&#93;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"106\" style=\"vertical-align: -5px;\"\/><\/code>.<br \/>\na. Exprimer la vitesse moyenne du dragster entre les instants <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-0e55b0b3943237ccfc96979505679274_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/><\/code> et <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-3c533d749f77a6af2b704961f67aeee0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#43;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"41\" style=\"vertical-align: -2px;\"\/><\/code> en fonction de <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-0e55b0b3943237ccfc96979505679274_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/><\/code> et <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-2ce27f7d2d82e3b238176ec7e7ee9118_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"\/><\/code>.<br \/>\nb. Exprimer <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-2407c6d888cae6c05d1a7231d378fc9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#105;&#109;&#92;&#108;&#105;&#109;&#105;&#116;&#115;&#95;&#123;&#104;&#92;&#116;&#111;&#32;&#48;&#125;&#86;&#95;&#109;&#40;&#97;&#59;&#97;&#43;&#104;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"27\" width=\"126\" style=\"vertical-align: -13px;\"\/><\/code> en fonction de <code class=\"katex-inline\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/courscaneri.ovh\/wp-content\/ql-cache\/quicklatex.com-0e55b0b3943237ccfc96979505679274_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/><\/code>.<br \/>\nc. Le dragster atteint-il la vitesse annonc\u00e9e en d\u00e9but d&#8217;exercice?<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Un dragster aurait atteint la vitesse de en . En supposant l&#8217;acc\u00e9l\u00e9ration constante, on d\u00e9montre que cela exerce sur le pilote une pouss\u00e9e horizontale sensiblement \u00e9gale \u00e0 son propre poids, et que la distance (en m\u00e8tres) au point de d\u00e9part du dragster est donn\u00e9e par la fonction : , o\u00f9 est la dur\u00e9e en seconde. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":235,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-326","page","type-page","status-publish","czr-hentry"],"_links":{"self":[{"href":"https:\/\/courscaneri.ovh\/index.php?rest_route=\/wp\/v2\/pages\/326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courscaneri.ovh\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/courscaneri.ovh\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/courscaneri.ovh\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/courscaneri.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=326"}],"version-history":[{"count":2,"href":"https:\/\/courscaneri.ovh\/index.php?rest_route=\/wp\/v2\/pages\/326\/revisions"}],"predecessor-version":[{"id":3924,"href":"https:\/\/courscaneri.ovh\/index.php?rest_route=\/wp\/v2\/pages\/326\/revisions\/3924"}],"up":[{"embeddable":true,"href":"https:\/\/courscaneri.ovh\/index.php?rest_route=\/wp\/v2\/pages\/235"}],"wp:attachment":[{"href":"https:\/\/courscaneri.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}