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6. A 0.25 kg ball bounces off a vertical wall as shown. The speed of the ball just before hitting the wall is 8 m/s and just afterwards is 6 m/s. The collision takes 0.1 sec. a. What is the impulse delivered to the ball? Write in component vector form. y 30° 30 What is the average force that the wall exerts on the ball during the collision? Remember the impulse-momentum relation refers to the net force; you will have to take gravity into account when you do your analysis. c. What is the average force that the ball exerts on the wall during the collision? d. Repeat your calculation for the average y force on the ball using Newton's 2nd law and the free body diagram method. Make sure your answer agrees with your answer for (b).
Transcribed Image Text:6. A 0.25 kg ball bounces off a vertical wall as shown. The speed of the ball just before hitting the wall is 8 m/s and just afterwards is 6 m/s. The collision takes 0.1 sec. a. What is the impulse delivered to the ball? Write in component vector form. y 30° 30 What is the average force that the wall exerts on the ball during the collision? Remember the impulse-momentum relation refers to the net force; you will have to take gravity into account when you do your analysis. c. What is the average force that the ball exerts on the wall during the collision? d. Repeat your calculation for the average y force on the ball using Newton's 2nd law and the free body diagram method. Make sure your answer agrees with your answer for (b).
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