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A ball is dropped from a height of 20 m....

A ball is dropped from a height of 20 m. If coefficient of restitution is 0-5. The ball rebounds to a height of:

A

5 m

B

10 m

C

20 m

D

2.5 m

Text Solution

Verified by Experts

The correct Answer is:
a
`h_(n)=e^(2n).h_(0)impliesh_(1)=e^(2).h_(0)`
`implies h_(1)=(0.5)^(2)xx20=5 m`
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