Consider the following statements .A. and .B. and identify the correct answer.
A : In an elastic collision, if a body suffers a head on collision with another of same mass at rest, the first body comes to rest while other starts moving with the velocity of first one.
B : Two bodies of equal masses suffering a head on elastic collision exchange their velocities.

Options

A. Both A and B are true
B. Both A and B are false
C. A is true but B is false
D. A is false but B is true

Answer

A