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A body is released from the top of an in...

A body is released from the top of an inclined plane of inclination `(theta)`. fIt reaches the bottom with velocity (v), If keeping the length same the angle of inclination is doubled, what will be the velocity of the body on reaching the ground:-

A

`v`

B

`2v`

C

`(2 cos theta)^(1//2) v`

D

`(2 sin theta)^(1//2) v`

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The correct Answer is:
C
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