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Last Updated On 23-10-2022 - By Sara

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 :-

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
5876 Votes
3537

Answer Key : (a) -

(a)



Next Question :

An object initially at rest explodes into three fragments and . The momentum of  is  and that of is  where  is a  number.The momentum of will be

a)

(1+  in a direction making angle  with that of

b)

(1+  in a direction making angle  with that of

c)

in a direction making angle  with that of

d)

in a direction making angle  with that of


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