Alexia2801 Posted September 12, 2018 Share Posted September 12, 2018 coucou, dans l'item C déjà je ne vois pas pourquoi (v²/c²) = 3/4 , puis je n'aboutis pas au résultat final pouvez vous détaillez le calcul ? Merci Quote Link to comment Share on other sites More sharing options...
Aramis Posted September 12, 2018 Share Posted September 12, 2018 est-ce que tu pourrais remettre l'item en entier stp ?? @Alexia2801 Quote Link to comment Share on other sites More sharing options...
DrStrange Posted September 12, 2018 Share Posted September 12, 2018 Bonjour je t'ai détaillé le calcul sur la photo, n'hésites pas si t'as des questions. Bon aprem! Quote Link to comment Share on other sites More sharing options...
Solution Aramis Posted September 12, 2018 Solution Share Posted September 12, 2018 (edited) Mais avec @DrWho ont trouvé, tout simplement on te dit qu'on te flash à Racine de 3 / 2 Si tu mais tout au carré, tu obtiens: 3 / 4 (car la racine de 3 au carré = 3) Edited September 12, 2018 by Aramis Quote Link to comment Share on other sites More sharing options...
Alexia2801 Posted September 12, 2018 Author Share Posted September 12, 2018 (edited) Merci ! je viens de comprendre mon erreur ! Edited September 12, 2018 by Alexia2801 Quote Link to comment Share on other sites More sharing options...
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