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A) A uniform rectangular sign of width 50.8 cm, height 27.8 cm, and negligible thickness hangs...

A) A uniform rectangular sign of width 50.8 cm, height 27.8 cm, and negligible thickness hangs vertically from supporting hinges attached at its upper edge. Find the period of small-amplitude oscillations of the sign.

B)Find the length of a simple pendulum that completes 22.0 oscillations in 45.5 s.

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