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A solid sphere of mass M and radius R ha...

A solid sphere of mass `M` and radius `R` having moment of inertia `I` about its diameter s recast into a solid disc of radius `r` and thickness `t`. The moment of inertia disc about an axis passing the edge and perpendicular to the plane remains `I`. Then `R` and `r` are related as

A

`2/sqrt15 R`

B

`2/sqrt5R`

C

`3/sqrt15R`

D

`sqrt3/sqrt15R`

Text Solution

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The correct Answer is:
A
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