W A skier of mass 70 kg is pulled up a slope by a motordriven cable. (a) How much work is required to pull him 60 m up a 30° slope (assumed frictionless) at a constant speed of 2.0 m/s? (b) What power (expressed in hp) must a motor have to perform this task?

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Q: A skier of mass 70 kg is pulled up a slope by a motor driven cable. A.) How much work is required to…

A: Given that             The mass of the skier is(m) = 70Kg. Since he is moving upward with constant…

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Q: A skier of mass 70 kg is pulled up a slope by a motordriven cable. (a) How  much work is required to…

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Q: A skier of mass 70 kg is pulled up a slope by a motor driven cable. A.) How much work is required to…

A: Given Data:- Mass of the skier is m=70 kg Slope of the ramp is θ=30° Length of the slope is d=60 m…

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.