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A circular disc of radius R and thicknes...

A circular disc of radius R and thickness `R/6` has moment of inertia I about an axis passing through. Its is melted and recast into a solid sphere. What is the moment of inertia of the solid sphere about its diameter as the axis of rotation?

A

`I/5`

B

`I/6`

C

`I/32`

D

`I/64`

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