Question

A Car with Constant Power

The engine in an imaginary sports car can provide constantpower to the wheels over a range of speeds from 0 to 70 miles perhour (mph). At full power, the car canaccelerate from zero to31.0 mph intime 1.30 s.A more realistic car would cause the wheelsto spin in a manner that would result in the ground pushing itforward with a constant force (in contrast to the constantpower inPart A). If such a sports car went from zero to 31.0 mph in time 1.30 s, how long would it take to go from zero to 62.0 mph?

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