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Minimum Rotational Inertia of a Rod

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A uniform thin rod of length L and mass M rotates about an axis perpendicular to its length. The rotational inertia of the rod is minimized when the axis of rotation is located at which of the following positions?

A

At a distance L/4 from one end

B

At one end of the rod

C

At a distance L/3 from one end

D

Through the center of the rod

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