Question
A body of mass m moving along a straight line collides with a body of mass nm which is also moving with a velocity kv in the same direction. If the first body comes to rest after the collision, then the velocity of second body after the collision would be
Options :
nv/(1+nk)
nv/(1-nk)
(1-nk)v/n
(1+nk)v/n
Answer :
(1+nk)v/n
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