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A ball is dropped from height 'H' onto a...

A ball is dropped from height 'H' onto a horizontal surface. If the coefficient of restitution is 'e' then the total time after which it comes to rest is

A

`sqrt((2H)/(g))((1-e)/(1+e))`

B

`sqrt((2H)/(g))((1+e)/(1-e))`

C

`sqrt((2H)/(g))((1-e^2)/(1+e^2))`

D

`sqrt((2H)/(g))((1+e^2)/(1-e^2))`

Text Solution

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The correct Answer is:
B
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