Question: A thin uniform L-shaped bar with arm lengths 1 and 31 is hung on a frictionless pin of negligible radius at its right-angled corner

A thin uniform L-shaped bar with arm lengths 1 and 31 is hung on a frictionless pin of negligible radius at its right-angled corner as shown. What is the angle 0 that the shorter arm makes with the vertical? Leave your answer to 2 significant figures in units of degrees. 31

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