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A ring (R), a disc (D), a solid sphere (...

A ring (`R`), a disc (`D`), a solid sphere (`S`) and a hollow sphere with thin walls (`H`), all having the same mass but different radii, start together from rest at the top of inclined plane and roll down without slipping. Then

A

All of them will reach the bottom of the inclined together.

B

The body with the maximum radius will reach the bottom first.

C

They will reach the bottom in the order S, D, H,R.

D

All of them will have the same kinetic energy at the bottom of the imcline.

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The correct Answer is:
a, d
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