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The moment of inertia of a solid sphere ...

The moment of inertia of a solid sphere of radius R about an axis passing through its diameter is /. The sphere is melted and recast into a circular disc of thickness `frac{R}{3}`. The moment of inertia of this disc about an axis perpendicular to plane and passing through its centre of mass is

A

Closed pipe of length 1 m

B

Closed pipe of length 2 m

C

Open pipe of length 1 m

D

Open pipe of length 2 m

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AAKASH INSTITUTE ENGLISH-TEST 4-EXAMPLE
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