The moment of inertia of a solid sphere of mass M and radius R about a tangent to the sphere is
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a
25MR2
b
65MR2
c
45MR2
d
75MR2
answer is D.
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Detailed Solution
Moment of inertia of the solid sphere of mass M and radius R about any diameter is Idiameter =25MR2According to theorem of parallel axesItangent =Idiameter +MR2=25MR2+MR2=75MR2