A ball is dropped from height H on to a horizontal surface. If the coefficient of restitution is e then the total time after which it comes to rest is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
The time it takes for the ball to fall from a height is given by
The height up to which the ball bounces after the n th collision from the floor is
H n = e 2n R
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