The question will refer to this preceeding info: A uniform ladder l = 10.0 m lon

Question

The question will refer to this preceeding info:
A uniform ladder l = 10.0 m long and weighing W = 56.7 N rests against a smooth vertical wall as shown in figure a. If the ladder is just on the verge of slipping when it makes a ? = 45.0° angle with the ground, find the coefficient of static friction between the ladder and ground.

Actual question:
If the coefficient of static friction is 0.355, and the same ladder makes a 61.0° angle with respect to the horizontal, how far along the length of the ladder can a 74.0-kg painter climb before the ladder begins to slip?

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Explanation / Answer

6.5m

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