A ball is dropped from a height h above the floor if the coefficient of restitution between the fluid and the ball is eaten the ball after reforms will rise to a height of
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Height upto which the ball rebound after nth collision , H
n
=e
2n
H
initial
Given : Coefficient of restitution be e H
initial
=h
Let the height upto which the ball rebound after two collisions be H
2
∴ H
2
=e
2×2
×h=e
4
h
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