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A stone projected vertically up with vel...

A stone projected vertically up with velocity v from the top of a tower reaches the ground with velocity 2v. The height of the tower is

A

`v^2/(2g)`

B

`(3v^2)/(2g)`

C

`(3v^2)/g`

D

`v^2/g`

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The correct Answer is:
B
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