First slide

Collisions

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

Moderate

A

eh/2
B

2eh
C

eh
D

e⁴h

Solution

$h_{n} = {he}^{2 n}$ , if n = 2 then $h_{n} = {he}^{4}$

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