A ball of B1 of mass m moving with velocity u1 collides head on with another ball Ball B2 of the same mass at rest.Given that the coefficient of restitution is e. Answer the following questions. What will be the ratio of the velocities of two balls after collisions
A. 1+e/1-e
B.(1+e)/2
C.( 1-e)/2
D. e
Can I get the solution sir