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A body dropped freely from a height h on...

A body dropped freely from a height `h` onto a horizontal plane, bounces up and down and a horizontal plane, bounces up and down and finally comes to rest. The coefficient of restitution is `e`. The ratio of velocities at the beginning and after two rebounds is

A

`1 : e`

B

`e : 1`

C

`1 : e^(2)`

D

`e^(2) : 1`

Text Solution

Verified by Experts

The correct Answer is:
C
`v_(n) = e^(n) v`.
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