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The answer is given as V 603 mph but no solution is provided The aerodynamic drag on a car depends on the shape of the car For example the car

The answer is given as V = 60.3 mph, but no solution is provided

The aerodynamic drag on a car depends on the shape of the car. For example, the car shown in Fig. 3 has a drag coefficient of 0.36 with the windows and roof closed. With the windows and roof open, the drag coefficient increases to 045. With the windows and roof open, at what speed is the amount of power needed to overcome aerodynamic drag the same as it is at 65 mph with the windows and roof closed? Assume that the frontal area remains the same. Recall that power is force times velocity Windows and roof closed: C-0.36 Windows open; roof open: C 0.45 Fig.3 The aerodynamic drag on a car depends on the shape of the car. For example, the car shown in Fig. 3 has a drag coefficient of 0.36 with the windows and roof closed. With the windows and roof open, the drag coefficient increases to 045. With the windows and roof open, at what speed is the amount of power needed to overcome aerodynamic drag the same as it is at 65 mph with the windows and roof closed? Assume that the frontal area remains the same. Recall that power is force times velocity
Windows and roof closed: C-0.36 Windows open; roof open: C 0.45 Fig.3

Apr 27 2020 View more View Less

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