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A ladder of length 3.0m and mass 40.0kg leans against a wall such that it makesan...

A ladder of length 3.0m and mass 40.0kg leans against a wall such that it makesan angle of 60.0◦with the horizontal. There is friction between the ladder and the floor (μs= 0.25), but there is no friction between the ladder and the wall.A person of mass 71 kg climbs the ladder.
1. How far up can the person climb before the ladder will slip?
2. When the person is at the point found in (1), what is the net force fromthe floor on the ladder?
3. If the person had wanted to safely climb the ladder higher than what youfound in (1),what should they do? Explain your reasoning.


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