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A hollow sphere of radius R and mass m f...

A hollow sphere of radius `R` and mass `m` fully filled with water of mass `m`. It is rolled down a horizontal plane such that its centre of mass moves with a velocity `v`. If it purely rolls.

A

Kinetic energy of the sphere is 5/6 `mv^(2)`

B

kinetic energy of the sphere is 4/5 `mv^(2)`

C

Angular momentum of the sphere about a fixed point on ground is 8/3 mvR

D

Angular momentum of the sphere about a fixed point on ground is 14/5 mvR

Text Solution

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The correct Answer is:
C
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