MHT CET Physics question

Physics Systems of Particles and Rotational Motion MHT CET

A body of mass m collides elastically with velocity u with another identical body at rest. After collision, velocity of the second body will be

(A)zero
(B)uCorrect
(C)2u
(D)Data insufficient

Answer: (B)

Solution

For an elastic head-on collision of equal masses the velocities are exchanged, so the body at rest moves off with velocity u;

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Question ID VK-062371