PHC6Quizzes - 2004 quiz Phyics Honors Chapter 6 Quiz 1. Two...

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2004 quiz Phyics Honors Chapter 6 Quiz 1. Two equal mass balls (one blue and the other gold) are dropped from the same height, and rebound off the floor. The blue ball rebounds to a higher altitude. Which ball is subjected to the greater magnitude impulse during its collision with the floor? A. It's impossible to tell. B. The impulse was the same for both. C. The gold ball D.* The blue ball E. not covered in the assigned reading. 2. A small object collides with a large object and sticks. Which object experiences the larger magnitude of momentum change? A. the large object B. the small object C.* both have the same momentum change. D. Cannot be determined. E. not covered in the assigned reading. 3. Two objects move on a level frictionless surface. Object A moves east with a momentum of 24 kg·m/s. Object B moves north with momentum 10 kg·m/s. They make a perfectly inelastic collision. What is the approximate magnitude of their combined momentum after the collision? A. 14 kg m/s B.* 26 kg m/s C. 34 kg m/s D. zero. E. not covered in the assigned reading. 4. A very large object moving with speed v collides head-on with a very small object at rest. The collision is elastic, and there is no friction. The large object barely slows down. What is the speed of the small object after the collision? A. nearly v B.* nearly 2 v C. nearly 3 v D. nearly infinite E. Not covered in the assigned reading. 5. Two isolated objects collide and bounce off each other. Linear momentum A.* is definitely conserved. B. is definitely not conserved. C. is conserved only if the collision is elastic. D. is conserved only if the environment is frictionless. E. Not covered in the assigned reading. 6. The change in an object’s momentum is equal to A. the product of the mass of the object and the time interval. B.* the product of the force applied to the object and the time interval. C. the time interval divided by the net external force. D. the net external force divided by the time interval. E. Not covered in the assigned reading. 7. A moderate force will break an egg. However, an egg dropped on the road usually breaks, while one dropped on the grass usually does not break because for the egg dropped on the grass, A. the change in momentum is greater. B.* the time interval for stopping is greater. C. the change in momentum is less. D. the time interval for stopping is less. E. Not covered in the assigned reading. 8. A large moving ball collides with a small stationary ball. The momentum A.* of the large ball decreases, and the momentum of the small ball increases. B. of the small ball decreases, and the momentum of the large ball increases. C. of the large ball increases, and the momentum of the small ball decreases. D.
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This note was uploaded on 08/29/2010 for the course PHYS 38234 taught by Professor Ramesh during the Spring '09 term at Berkeley.

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PHC6Quizzes - 2004 quiz Phyics Honors Chapter 6 Quiz 1. Two...

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