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A ball is dropped onto a horizontal floo...

A ball is dropped onto a horizontal floor. Reaches a height of `144 cm` on the first bounce and `81 cm` on the second bounce. Coefficient of restitution is

A

0

B

`0.75`

C

`81//144`

D

1

Text Solution

Verified by Experts

The correct Answer is:
B

`e = sqrt((h_(2))/(h_(1)))`.
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