In Law of Conservation of momentum , elastic collision occurs only in an isolated system. A case defined as,when Object A comes with initial velocity and collides with object B which is in rest V= 0 then B moves with the velocity of A. (both having same masses ) My question is that if this law occurs in an isolated system, where there is no gravity then how is it possible that an object is in rest ?
closed as unclear what you're asking by John Duffield, John Rennie, Gert, Kyle Kanos, user36790 Nov 28 '15 at 3:15
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