How much work is required to pull him 75 m up a 30deg slope, Ask an Expert

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A skier of mass 66 kg is pulled up a slope by a motor-driven cable.

(a) How much work is required to pull him 75 m up a 30° slope (assumed frictionless) at a constant speed of 2.1 m/s?

Your response differs from the correct answer by more than 10%. Double check your calculations. J

(b) What power must a motor have to perform this task?

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