A 80 kg skier grips a moving rope that is powered by an engine and is pulled at constant speed to the top of a 23 hill. The skier is pulled a distance = 230 m along the incline and it takes 2.3 min to reach the top of the hill.
If the coefficient of kinetic friction between the snow and skis is = 0.13, what horsepower engine is required if 30 such skiers (max) are on the rope at one time?
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