Q. A particle of mass $m$ moving with a velocity $\overrightarrow{V}$ makes a head on elastic collision with another particle of same mass initially at rest. The velocity of first particle after the collision will be
A) $\overrightarrow{V}$
B) $- \ \overrightarrow{V}$
C) $- 2\ \overrightarrow{V}$
D) Zero
Explanation
(d) In perfectly elastic lead on collision of equal masses velocities gets interchanged
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.