The moment of inertia of a solid disc rotating along its diameter is 2.5 times higher than the moment of inertia of a ring rotating in similar way. The moment of inertia of a solid sphere which has same radius as the disc and rotating in similar way, is n times higher than the moment of inertia of the given ring. Here, 
Consider all the bodies have equal masses.
Text Solution
Verified by Experts4
(4)
According to problem
(1)
Now we are provided with information that
From Eq', (1) and (2)
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