'Xi 10' diaporamas de présentation

CH07.Problems

CH07.Problems. JH.131. Position ? velocity ? acceleration ? force 2 times & position ? displacement Force & displacement ? work V= -10 t, a= -10, F= -10*5=-50 N; Xi= 10, Xf = 10-5*16, d = -80 m W = F . D = 4 000 J. K =1/2 m V^2, doubling V makes V^2 4 times higher, Vi ? Vf =2 Vi

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