44. Polar moment Find the polar moment of inertia about the cen- ter of a thin rectangular sheet of constant density & = 1 bounded by the lines +2, y = ±1 in the xy-plane а. х %3 y = ±b in the xy-plane. b. х %3 (Hint: Find I,. Then use the formula for I, to find I,, and add the two to find I,.) ta,

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