Question

A solid uniform sphere of radius Rand mass Mhas a rotational inertia about a diameter that is given by (2/5)MR2. A light string of length 2.5 Ris attached to the surface and used to suspend the sphere from the ceiling. Its rotational inertia about the point of attachment at the ceiling is:
A) (2/5)MR2
B) 9MR2
C) 16MR2
D) 47/5MR2
E) (82/5)MR2

Answer

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