A skier of mass 70.0 kg is pulled up a slope by a motor-driven cable. (a) How much work is required
Автор: The Answer Key
Загружено: 2020-12-03
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A skier of mass 70.0 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 60.0 m up a 30.0° slope (assumed frictionless) at a constant speed of 2.00 m/s? (b) What power (expressed in hp) must a motor have to perform this task? .
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