On a Romanian infomercial the 75.0 kg presenter attempts to climb a 2.25 m long ladder with a mass of 5.00 kg at an angle of 70.0°. The ladder is held up by two other presenters that act as a frictionless wall. The man on the ladder reaches a height of 1.80 m when the ladder slips.
a) Solve for the normal forces on the ladder.
b) Solve for the coefficient of friction between the ladder and the floor.
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