Question

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. $e^{4}h$

Answer 1

Answer: (D)

$e^{4}h$

Answer 2

$h _ { n } = h e ^ { 2 n }$ , if n = 2 then $h _ { n } = h e ^ { 4 }$