When an automobile moves with constant speed downa highway, most of the power developed
Chapter 8, Problem 31(choose chapter or problem)
When an automobile moves with constant speed downa highway, most of the power developed by the engineis used to compensate for the energy transformationsdue to friction forces exerted on the car by the airand the road. If the power developed by an engine is175 hp, estimate the total friction force acting on thecar when it is moving at a speed of 29 m/s. One horsepowerequals 746 W.
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