{"id":2527,"date":"2022-01-05T17:38:03","date_gmt":"2022-01-05T16:38:03","guid":{"rendered":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/?p=2527"},"modified":"2022-01-05T17:38:03","modified_gmt":"2022-01-05T16:38:03","slug":"vitesse-du-son-dans-lair","status":"publish","type":"post","link":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/2022\/01\/05\/vitesse-du-son-dans-lair\/","title":{"rendered":"vitesse du son dans l’air"},"content":{"rendered":"

Voici une nouvelle manip’ avec les US et le clap<\/p>\nDocument4<\/a>\n

Si vous utilisez mon document, n’oubliez pas de citer le site https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/<\/p>\n

\"\"<\/a><\/p>\n

 <\/p>\n

VID_20211124_103639<\/a><\/p>\n

 <\/p>\n

Mes r\u00e9sultats: exp1: T=24,76\u00b5s donc f=1\/T=1\/24,76.10-6=40,2kHz<\/p>\n

Exp n2: d=85mm donc Landa=0,0085m. c=landa\/T=landaxf=340m\/s<\/p>\n

Exp n\u00b03:<\/p>\n\n\n\n\n\n
d (cm=\u2026.m)<\/td>\n20<\/td>\n25<\/td>\n30<\/td>\n<\/tr>\n
\u0394t (\u00b5s=\u2026\u2026.s)<\/td>\n580\u00b5s<\/td>\n730\u00b5s<\/td>\n880\u00b5s<\/td>\n<\/tr>\n
c=d\/\u0394t (m.s-1<\/sup>)<\/td>\n345<\/td>\n343<\/td>\n341<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

donc c=343m\/s<\/p>\n

Exp n\u00b04: t=2,84ms, d=1m donc c=d\/t=352m\/s<\/p>\n

La vitesse d’un son ne d\u00e9pend pas de la fr\u00e9quence d’\u00e9mission mais du milieu de propagation<\/p>\n

 <\/p>\n

Vous pouvez compl\u00e9ter ce TP par celui-ci: https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/2020\/11\/10\/echographie-et-us\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Voici une nouvelle manip’ avec les US et le clap Si vous utilisez mon document, n’oubliez pas de citer le site https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/   VID_20211124_103639   Mes r\u00e9sultats: exp1: T=24,76\u00b5s donc f=1\/T=1\/24,76.10-6=40,2kHz Exp n2: d=85mm donc Landa=0,0085m. c=landa\/T=landaxf=340m\/s Exp n\u00b03: d (cm=\u2026.m) 20 25 30 \u0394t (\u00b5s=\u2026\u2026.s) 580\u00b5s 730\u00b5s 880\u00b5s c=d\/\u0394t (m.s-1) 345 343 341 donc … Continuer la lecture de vitesse du son dans l’air<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2527","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"_links":{"self":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/2527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/comments?post=2527"}],"version-history":[{"count":4,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/2527\/revisions"}],"predecessor-version":[{"id":3008,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/2527\/revisions\/3008"}],"wp:attachment":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/media?parent=2527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/categories?post=2527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/tags?post=2527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}