A 89.1-kN car is travelling at 73.1 mph when the driver decides to exit the freeway by

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Question:

A 89.1-kN car is travelling at 73.1 mph when the driver decides to exit the freeway by going up a ramp. After coasting 411 m along the exit ramp the car\'s speed is 28.5 mph, and it is h = 14.3 m above the freeway. What is the magnitude of the average drag force exerted on the car?