B. Multiple Choice: Choose the letter of your best answer. 6. Which of the following statements is true about momentum before and after collision in an isolated system? A. Momentum Increases B. Momentum decreases. C. Momentum doubles, C. Momentum is constant. 7. Two objects with a total mass of 40kg has an initial momentum of 200kg m/s. If the masses stick together after the collision, what is the final velocity of the masses? A. 1 m/s 8. Padded dashboards in cars are safer in an accident than non-padded ones because passengers hitting the dashboard encounter B. 5 m/s C. 50 m/s D. 200 m/s PAR A. lengthened time of contact C. decreased impulse. 9. A moving car has momentum. If it moves twice as fast, its momentum is B shorter time of contact. D. Increased momentum as much. A. doubles B. Constant C. Reduced half its value D. triples 10. A larger bus and a small car move with the same velocity. Which of the following statements describe the impact of collision if both cars collided with a wall? A. The impact of collision is larger in the bus compared to the car. B. The impact of collision is smaller in the bus compared to the car. C. The impact of collision in the bus is equal to the car. D. The impact of collision cannot be determined. UE
B. Multiple Choice: Choose the letter of your best answer. 6. Which of the following statements is true about momentum before and after collision in an isolated system? A. Momentum Increases B. Momentum decreases. C. Momentum doubles, C. Momentum is constant. 7. Two objects with a total mass of 40kg has an initial momentum of 200kg m/s. If the masses stick together after the collision, what is the final velocity of the masses? A. 1 m/s 8. Padded dashboards in cars are safer in an accident than non-padded ones because passengers hitting the dashboard encounter B. 5 m/s C. 50 m/s D. 200 m/s PAR A. lengthened time of contact C. decreased impulse. 9. A moving car has momentum. If it moves twice as fast, its momentum is B shorter time of contact. D. Increased momentum as much. A. doubles B. Constant C. Reduced half its value D. triples 10. A larger bus and a small car move with the same velocity. Which of the following statements describe the impact of collision if both cars collided with a wall? A. The impact of collision is larger in the bus compared to the car. B. The impact of collision is smaller in the bus compared to the car. C. The impact of collision in the bus is equal to the car. D. The impact of collision cannot be determined. UE
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter11: Energy And Its Conservation
Section: Chapter Questions
Problem 92A
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Question
Please answer all the problems.
Transcribed Image Text:B. Multiple Choice: Choose the letter of your best answer.
6. Which of the following statements is true about momentum before and after collision in an
isolated system?
A. Momentum Increases
B. Momentum decreases.
C. Momentum doubles,
C. Momentum is constant.
7. Two objects with a total mass of 40kg has an initial momentum of 200kg m/s. If the masses
stick together after the collision, what is the final velocity of the masses?
A. 1 m/s
8. Padded dashboards in cars are safer in an accident than non-padded ones because passengers
hitting the
dashboard encounter
B. 5 m/s
C. 50 m/s
D. 200 m/s
PAR
A. lengthened time of contact
C. decreased impulse.
9. A moving car has momentum. If it moves twice as fast, its momentum is
B shorter time of contact.
D. Increased momentum
as much.
A. doubles
B. Constant
C. Reduced half its value
D. triples
10. A larger bus and a small car move with the same velocity. Which of the following statements
describe the impact of collision if both cars collided with a wall?
A. The impact of collision is larger in the bus compared to the car.
B. The impact of collision is smaller in the bus compared to the car.
C. The impact of collision in the bus is equal to the car.
D. The impact of collision cannot be determined.
UE
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