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A solid sphere of mass , radius  and having moment of inertia about an axis passing through the centre of mass as I, is recast into a disc of thickness , whose moment of inertia about an axis passing through its edge and perpendicular to its plane remains I. Then, radius of the disc will be

a)

b)

c)

d)



Question ID - 100179 | SaraNextGen Top Answer

A solid sphere of mass , radius  and having moment of inertia about an axis passing through the centre of mass as I, is recast into a disc of thickness , whose moment of inertia about an axis passing through its edge and perpendicular to its plane remains I. Then, radius of the disc will be

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

127 votes


127