A thin, rectangular sheet of metal has mass MM and sides of length aa and bb. Find the moment of inertia of this sheet about an axis that lies in the plane of the plate, passes through the center of the plate, and is parallel to the side with length bb.

tbh i dont know ether

if you already have the answer to (a), then just work out how many periods there are in 1 minute, and that's the answer to (c).

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i would say the answer is food.

hope this !