Question: Problem 3 In a crash test, a car, initially moving at 30 m/s, hits a wall and crumples to a halt. In the process

Problem 3 In a crash test, a car, initially moving at 30

Problem 3 In a crash test, a car, initially moving at 30 m/s, hits a wall and crumples to a halt. In the process of crumpling, the center of mass of the car moves forward a distance of 1 m. (a) If the car has a mass of 1,800 kg, what is the magnitude of the average force acting on it while it stops? What, physically, is this force? (b)Does the force you found in (a) actually do any work on the car? (Think carefully!) (c) What is the net change in the car's kinetic energy? Where does all that kinetic energy go?

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