Work Energy And Power Question 117

Question: 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]

Options:

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

Show Answer

Answer:

Correct Answer: D

Solution:

Due to the same mass of A and B as well as due to elastic collision velocities of spheres get interchanged after the collision.



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