Q. A ball is dropped from a height $h$. If the coefficient of restitution be $e$, then to what height will it rise after jumping twice from the ground
A) $eh/2$
B) $2eh$
C) $eh$
D) $e^{4}h$
Explanation
(d) $h_{n} = he^{2n},\ if\ n = 2\ then\ h_{2} = he^{4}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.