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A body of radius R and mass m is rolling...

A body of radius `R` and mass `m` is rolling smoothly with speed `v` on a horizontal surface. It then rolls up a hill to a maximum height `h`. If `h = 3 v^2//4g`. What might the body be ?

A

A sphere

B

a circular ring

C

a spherical shell

D

a circular disc

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The correct Answer is:
A
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