Q. Two bodies of identical mass $m$ are moving with constant velocity $v$ but in the opposite directions and stick to each other, the velocity of the compound body after collision is
A) $v$
B) $2v$
C) Zero
D) $\frac{v}{2}$
Explanation
(c) $mv - mv = (m + m)v$
$v = 0$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.