1. Engine power is sometimes expressed in terms of "horsepower." One horsepower was defined by James Watt, who observed that a horse could turn a mill wheel with a radius of 12 ft at a constant rate of 144 times per hour, exerting a nearly constant force of 800N tangentially to the wheel. Derive the conversion for horsepower to kilowatts.
1. Engine power is sometimes expressed in terms of "horsepower." One horsepower was defined by James Watt, who observed that a horse could turn a mill wheel with a radius of 12 ft at a constant rate of 144 times per hour, exerting a nearly constant force of 800N tangentially to the wheel. Derive the conversion for horsepower to kilowatts.
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Transcribed Image Text:1. Engine power is sometimes expressed in terms of "horsepower." One horsepower was
defined by James Watt, who observed that a horse could turn a mill wheel with a radius
of 12 ft at a constant rate of 144 times per hour, exerting a nearly constant force of 800N
tangentially to the wheel. Derive the conversion for horsepower to kilowatts.
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