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08-05-2024
Physics

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A ladder leans against a wall, such that it makes a 37° angle with the ground. The ladder is 3.5 m long and has a mass of 6.4 kg. Mr. Vinny (52 kg) is on the ladder, 1.0 m above the ground as measured parallel to the ladder. Friction is NOT negligible on the ground, but is negligible on the wall. What is the minimum coefficient of static friction needed to the keep the ladder (who cares about Mr. Vinny) from falling?

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