COLLISIONS`

A ball is dropped on the ground from height of 1m.The coefficient of restitiution is 0.6.The height to which the ball wil rebound.

a) 0.6 m b) 0.4 m c) 0.36m d) 0.16 m

1 Answers

106

Asish Mahapatra ·2010-12-15 22:05:59

v when ball reaches ground = √2gh

v when ball just bounces = e*√2gh

height upto which it bounces = v_f²/2g =e²h = 0.36 m

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