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Four equal masses m are located at the corners of asquare of side script i connected by essentially massless rods.

For the following answers you may use the symbols m for m,L for script i, and g for the acceleration of gravity.

a) Find the rotational inertia of this system about an axis that coincides with one side.

b) Find the rotational inertia of this system about an axis that bisects two opposite sides.

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