Q. A 2 kg ball moving at 24 $ms^{- 1}$undergoes inelastic head-on collision with a 4 kg ball moving in opposite direction at 48 $ms^{- 1}$.if the coefficient of restitution is 2/3,their velocities in $ms^{- 1}$after impact are

A) $- 56,\ - 8$
B) $- 28,\ - 4$
C) $- 14,\ - 2\ $
D) $- 7,\ - 1$
Explanation

The correct answer is Option A: $- 56,\ - 8$.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.