Consider a mass with mass m = 400 g (e.g., a soccer ball). Assume that the ball is moving to the left with velocity v1 = -20 m/s after being kicked towards a solid wall, that is oriented vertically. Assume that during the collision, the ball interacts with the wall for 1 msec. After the collision with the wall, the ball moves in the positive x- direction with velocity v2 = 10 m/s. Calculate the impulse, Jx. Also calculate the average force, Fav, that the ball exerts on the wall.

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