Q. A body of mass $m$ is at rest. Another body of same mass moving with velocity $V$ makes head on elastic collision with the first body. After collision the first body starts to move with velocity
A) $V$
B) $2V$
C) Remain at rest
D) No predictable
Explanation
The correct answer is Option A: $V$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.