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A sphere rolls up an inclined plane whos...

A sphere rolls up an inclined plane whose inclination is `30^(@)`. At the bottom of the inclined plane, the center of mass of the sphere has a translational speed of `5ms^(-1)` (a) How far does the sphere travel up the plane? (b) How long does it take to return to the bottom?

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The correct Answer is:
3.57 m; 2.8 s
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