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A sphere and a hollow cylinder roll with...

A sphere and a hollow cylinder roll without slipping down two separate inclined planes and travel the same direction in the same time. If the angle of the plane dowm which the sphere rolls is `30^(@)` , the angle of the other pane is

A

`60^@`

B

`53^@`

C

`37^@`

D

`45^@`

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The correct Answer is:
D
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