08_U9 Test-2 - Name Date Pd Unit IX: Test 2 For each of the...

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Name Date Pd Unit IX: Test 2 For each of the situations outlined below in questions 1-4 compare ( a>b, a<b, or a=b ) the momentum of sphere A and sphere B. Then offer a brief explanation supporting your response. __6. Padded dashboards in cars are safer in an accident than non-padded ones because they a. increase the impact time. b. decrease the impulse on the occupant. c. decrease the change in momentum of the occupant. d. all of the above e. none of the above ©Modeling Workshop Project 2002 1 Unit IX Test 2 v2.0
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__7. A 1.0 kg chunk of putty moving at 1.0 m/s collides and sticks to a 5 kg bowling ball that is initially at rest. The magnitude of the momentum of the ball and putty after collision is a. more than 5.0 kgm/s. b. 5.0 kgm/s. c. 1.0 kgm/s. d. less than 1 kgm/s. e. 0.0 kgm/s. __8. A golf ball moving forward with a momentum of 1.0 kgm/s strikes and bounces backward off a heavy bowling ball that is initially at rest and free to move. The momentum of the bowling ball after collision is
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08_U9 Test-2 - Name Date Pd Unit IX: Test 2 For each of the...

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