динамика

1492624009_66172.pptx f a m = f ma = r a m = å = k f a m mg p = g p m = l × = c f 2 2 1 r m m f f × × = v r × m = 2 x v s c 5 , 0 r × × r × × = y v y & = z v z & = z , y , x & & & å = k f a m 0 v dv/dt, 2 = = = t b n a r a a , / å t = k f dt dv m å = kn f ρ v m 2 å = kb …

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