Question

A ball of mass m moving with a constant velocity strikes
against a ball of same mass at rest. If e = coefficient of
restitution, then what will be the ratio of the velocity of two
balls after the collision?

(a) 1-e/1+e
(b)e-1/e+1
(C)1+e/1-e
(d)2+1/e-1
​

Answer 1

answer is c.

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