University:
California Institute of Technology
Course:
EE/APh 40 | Physics of Electrical Engineering
Academic year:

2022
Views:

124

Pages:

12
Author:

SpaceCadet101

Assessment Questions 1. When the speed of an object is doubled, its momentum a. remains unchanged in accord with the conservation of momentum. b. doubles. c. quadruples. d. decreases. Assessment Questions 1. When the speed of an object is doubled, its momentum a. remains unchanged in accord with the conservation of momentum. b. doubles. c. quadruples. d. decreases. Answer: B Assessment Questions 2. The impulse-momentum relationship is a direct result of Newton’s a. first law. b. second law. c. third law. d. law of gravity. Assessment Questions 2. The impulse-momentum relationship is a direct result of Newton’s a. first law. b. second law. c. third law. d. law of gravity. Answer: B Assessment Questions 3. When a falling object bounces, as it hits the ground its change in momentum and the impulse on it is a. less than for stopping. b. greater than for stopping. c. the same as it is for stopping. d. the same as it was when dropped. Assessment Questions 3. When a falling object bounces, as it hits the ground its change in momentum and the impulse on it is a. less than for stopping. b. greater than for stopping. c. the same as it is for stopping. d. the same as it was when dropped. Answer: B Assessment Questions 4. On roller blades you horizontally toss a ball away from you. The mass of the ball is one tenth your mass. Compared with the speed you give to the ball, your recoil speed will ideally be a. one tenth as much. b. the same. c. ten times as much. d. 100 times as much. Assessment Questions 4. On roller blades you horizontally toss a ball away from you. The mass of the ball is one tenth your mass. Compared with the speed you give to the ball, your recoil speed will ideally be a. one tenth as much. b. the same. c. ten times as much. d. 100 times as much. Answer: A Assessment Questions 5. A big fish swims upon and swallows a small fish at rest. After lunch, the big fish has less a. speed. b. momentum. c. both of these d. none of these Assessment Questions 5. A big fish swims upon and swallows a small fish at rest. After lunch, the big fish has less a. speed. b. momentum. c. both of these d. none of these Answer: A Assessment Questions 6. A falling firecracker bursts into two pieces. Compared with the momentum of the firecracker when it bursts, the two pieces a. combined have the same momentum. b. each have half as much momentum. c. have more momentum. d. may or may not have more momentum. Assessment Questions 6. A falling firecracker bursts into two pieces. Compared with the momentum of the firecracker when it bursts, the two pieces a. combined have the same momentum. b. each have half as much momentum. c. have more momentum. d. may or may not have more momentum. Answer: A

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