A 7 kg steel ball strikes a wall with a speed of 8.13 m/s at an angle of 48.2 ◦ with the normal to the wall. It bounces off with the same speed and angle, as shown. x y 8.13 m/s 7 kg 8.13 m/s 7 kg 48.2 ◦ 48.2 ◦ If the ball is in contact with the wall for 0.148 s, what is the magnitude of the average

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Q: tal momentum

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