question_answer

The bob A of a simple pendulum is released when the string makes an angle of \[{{45}^{o}}\]with the vertical. It hits another bob B of the same material and same mass kept at rest on the table. If the collision is elastic                                                   [Kerala (Engg.) 2001]

A)          Both A and B rise to the same height

B)          Both A and B come to rest at B

C)          Both A and B move with the same velocity of A

D)          A comes to rest and B moves with the velocity of A