What power should a motor have to perform the task


A skier of mass 72 kg is pulled up a slope by a motor-driven cable.

(a) How much work is required to pull him 70 m up a 30° slope (assumed frictionless) at a constant speed of 2.8

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

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Physics: What power should a motor have to perform the task
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