The aerodynamic drag on a car depends on the shape of thecar. For example, the car shown
Chapter 9, Problem 9.42(choose chapter or problem)
The aerodynamic drag on a car depends on the shape of thecar. For example, the car shown in Fig. P9.42 has a drag coefficientof 0.35 with the windows and roof closed. With the windows androof open, the drag coefficient increases to 0.45. With the windowsand roof open, at what speed is the amount of power needed toovercome aerodynamic drag the same as it is at 65 mph with thewindows and roof closed? Assume the frontal area remains thesame. Recall that power is force times velocity
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