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In a particular crash test, an automobile of mass 1542 kg collides with a wall and...

In a particular crash test, an automobile of mass 1542 kg collides with a wall and bounces back off the wall. The x components of the initial and final speeds of the automobile are 22 m/s and 1.7 m/s, respectively.

1) If the collision lasts for 0.1 s, find the magnitude of the impulse due to the collision. Answer in units of kg · m/s.

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

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