For the two automobiles of Problem P6.31 in Chapter 6, how much power must the engines produce

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For the two automobiles of Problem P6.31 in Chapter 6, how much power must the engines produce just to overcome air drag at 60 mph?


Problem P6.31

(a) A luxury sports car has a frontal area of 22.4 ft2 and a 0.29 coefficient of drag at 60 mph. What is the drag force on the vehicle at this speed?

(b) A sport-utility vehicle has CD = 0.45 at 60 mph and a slightly larger frontal area of 29.1 ft2. What is the drag force in this case?

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An Introduction To Mechanical Engineering

ISBN: 9781111576820

3rd Edition

Authors: Jonathan Wickert, Kemper Lewis

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