Solve the Problem $30 \pi$ B) $15 \pi$ C) $32 \pi$ D) $60 \pi$

Multiple Choice

Solve the problem.
-Find the moment of inertia about the z-axis of a thick-walled right circular cylinder bounded on the inside by the cylinder r = 1, on the outside by the cylinder r = 2, and on the top and bottom by the planes
Z = 7 and z = 11.

A) $30 \pi$
B) $15 \pi$
C) $32 \pi$
D) $60 \pi$