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A 2800-lb car is traveling at sea level at a constant speed. Its engine is running...

A 2800-lb car is traveling at sea level at a constant speed. Its engine is running at 3600 rev/min and is producing 100 ft-lb of torque. It has a drivetrain efficiency of 88%, a drive axle slippage of 4%, 18-inch-radius wheels, and an overall gear reduction ratio of 3 to 1. If the car’s frontal area is 21.5 ft2 , what is its drag coefficient?

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