12. A helium atom collides with another helium atom in an elastic collision. Which of the following is true?

Both momentum and kinetic energy are conserved.

Momentum is conserved but kinetic energy is not conserved.

Kinetic energy is conserved but momentum is not conserved.

Neither momentum nor kinetic energy is conserved.

13. Two playground balls collide in an inelastic collision. Which of the following is true?

Momentum is conserved, but kinetic energy is not conserved.

Both momentum and kinetic energy are conserved.

Kinetic energy is conserved, but momentum is not conserved.

Neither momentum nor kinetic energy is conserved.

14. In an inelastic collision between two objects with unequal masses,

the momentum of one object will increase by the amount that the momentum of the other object decreases.

the total momentum of the system will increase.

the total momentum of the system will decrease.

the kinetic energy of one object will increase by the amount that the kinetic energy of the other object decreases.

15. A billiard ball collides with a stationary identical billiard ball in an elastic head-on collision. After the collision, which of the following is true of the first ball?

It maintains its initial velocity.

It has one-half its initial velocity.

It moves in the opposite direction.

Exam 5 Numbers 11-15 Preap 2016-2017

5 Questions | By Sfduke | Updated: Mar 21, 2022 | Attempts: 142

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Questions and Answers

1.

11. In what kind of collision is kinetic energy always conserved?
- A.
  
  Elastic collision
- B.
  
  Inelastic collision
- C.
  
  Inelastic collision
- D.
  
  Perfectly inelastic collision
Correct Answer
A. Elastic collision
2.

12. A helium atom collides with another helium atom in an elastic collision. Which of the following is true?
- A.
  
  Both momentum and kinetic energy are conserved.
- B.
  
  Momentum is conserved but kinetic energy is not conserved.
- C.
  
  Kinetic energy is conserved but momentum is not conserved.
- D.
  
  Neither momentum nor kinetic energy is conserved.
Correct Answer
A. Both momentum and kinetic energy are conserved.
3.

13. Two playground balls collide in an inelastic collision. Which of the following is true?
- A.
  
  Both momentum and kinetic energy are conserved.
- B.
  
  Momentum is conserved, but kinetic energy is not conserved.
- C.
  
  Kinetic energy is conserved, but momentum is not conserved.
- D.
  
  Neither momentum nor kinetic energy is conserved.
Correct Answer
B. Momentum is conserved, but kinetic energy is not conserved.
4.

14. In an inelastic collision between two objects with unequal masses,
- A.
  
  The total momentum of the system will increase.
- B.
  
  The total momentum of the system will decrease.
- C.
  
  The kinetic energy of one object will increase by the amount that the kinetic energy of the other object decreases.
- D.
  
  The momentum of one object will increase by the amount that the momentum of the other object decreases.
Correct Answer
D. The momentum of one object will increase by the amount that the momentum of the other object decreases.
5.

15. A billiard ball collides with a stationary identical billiard ball in an elastic head-on collision. After the collision, which of the following is true of the first ball?
- A.
  
  It maintains its initial velocity.
- B.
  
  It has one-half its initial velocity.
- C.
  
  It comes to rest.
- D.
  
  It moves in the opposite direction.
Correct Answer
C. It comes to rest.

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Mar 21, 2022

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Oct 20, 2015

Quiz Created by
Sfduke

Exam 5 Numbers 11-15 Preap 2016-2017

11. In what kind of collision is kinetic energy always conserved?

12. A helium atom collides with another helium atom in an elastic collision. Which of the following is true?

13. Two playground balls collide in an inelastic collision. Which of the following is true?

14. In an inelastic collision between two objects with unequal masses,

15. A billiard ball collides with a stationary identical billiard ball in an elastic head-on collision. After the collision, which of the following is true of the first ball?