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A solid homogeneous sphere of mass M and...

A solid homogeneous sphere of mass `M` and radius `R` is moving on a rough horizontal surface partly rolling and partly sliding. During this kind of motion of the sphere

A

Total kinetic energy is conserved

B

Angular momentum of the sphere about the point of contact is conserved

C

Only the rotational kinetic.energy about the center of mass is· conserved

D

Angular momentum about the center of mass is conserved

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The correct Answer is:
B
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