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Topic: Je ne connais la réponse qu'au corolaire
Posted by: Brunal at lun. 31 mai 2004 12:06:30
Keywords:
Message:

si ton accélération est g, constante...

Alors dv/dt=g, donc v=gt+v0

Alors dx/dt=v donc x=1/2*g*t^2+v0*t+x0.

Ca marche bien évidement si on parle d'une tragectoire totalement linéaire, mais dans les autres cas faudrait que tu nous donnes aussi les autres accélérations (radiales et tangentielles) et c'est vachement plus compliqué, puisqu'il faut passer en repère locale je crois :-).

Brunal, qui a des reste de physique très basique.



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