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Question: a in a particular crash test an automobile of mass...

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a) In a particular crash test, an automobile of mass 1544 kg collides with a wall and bounces back off the wall. The x components of the initial and final speeds of the automobile are 23 m/s and 2 m/s, respectively. If the collision lasts for 0.11 s, find the magnitude of the impulse due to the collision. Answer in units of kg · m/s.

b) Calculate the magnitude of the average force exerted on the automobile during the collision. Answer in units of N.

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