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A 45.4 kg, 3.8 m uniform ladder leans against a frictionless wall. A 99.1 kg person...

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Physics

A 45.4 kg, 3.8 m uniform ladder leans against a frictionlesswall. A 99.1 kg person is standing on the ladder down 1.04 m fromthe top of the ladder. The ladder makes an angle of 50 degrees withthe horizontal. What is the minimum coefficient of static frictionbetween the ladder and the ground so that the ladder does notslip?

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