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A solid cylinder P rolls without slippin...

A solid cylinder P rolls without slipping from rest down an inclined plane attaining a speed vP at the bottom. Another smooth solid cylinder Q of same mass and dimensions slides without friction from rest down the inclined plane attaining a speed vQ at the bottom. The ratio of the speeds `((v_(Q))/(v_(P)))`is -

A

`sqrt(3//4)`

B

`sqrt(3//2)`

C

`sqrt(2//3)`

D

`sqrt(4//3)`

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The correct Answer is:
B
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