Question: A 15.0-m uniform ladder weighing 500 N rests against a frictionless wall. The ladder makes a 60.0 angle with the horizontal. (a) Find the horizontal

A 15.0-m uniform ladder weighing 500 N rests against a frictionless wall. The ladder makes a 60.0° angle with the horizontal. (a) Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 800-N firefighter is 4.00m from the bottom. (b) If the ladder is just on the verge of slipping when the firefighter is 9.00m up, what is the coefficient of static friction between ladder and ground?

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