Test Academy | 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 nv/(1+nk), nv/(1-nk), (1-nk)v/n, (1+nk)v/n

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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

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nv/(1+nk)
nv/(1-nk)
(1-nk)v/n
(1+nk)v/n

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