Calculate the aerodynamic drag the rolling resistance


A heavy truck weighing 72500 lb rolls along I70 in denver at a speed at 67 mph. The air temperature is 55 deg F and barometric pressure is 26.01 in Hg. The truck is 8' wide by 13.5' high, and has aerodynamic drag co-efficient of 0.65. The truck has radial ply tires. Calculate the aerodynamic drag, the rolling resistance according to SAE equations and the road load horsepower at this conditions.

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Mechanical Engineering: Calculate the aerodynamic drag the rolling resistance
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