In the overhead view of the figure, a 440 g ball with a speed v of 3.8 m/s strikes a wall at an angle θ of 22° and then rebounds with the same speed and angle. It is in contact with the wall for 5.8 ms. In unit-vector notation, what are (a) the impulse on the ball from the wall and (b) the average force on the wall from the ball?

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