An automobiles engine produces 30 hp while being driven at 50 mph on a level highway. In
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An automobile’s engine produces 30 hp while being driven at 50 mph on a level highway. In those circumstances, the engine’s power is used to overcome air drag, rolling resistance between the tires and the road, and friction in the drivetrain. Estimate the vehicle’s fuel economy rating in the units of miles per gallon. Use a typical engine efficiency from Table 7.6 and the density of gasoline in Table 6.1.
Table 6.1
Table 7.6
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Related Book For
An Introduction To Mechanical Engineering
ISBN: 9781111576820
3rd Edition
Authors: Jonathan Wickert, Kemper Lewis
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