Preap Physics Exam #5 Numbers 16-20

5 Questions | Attempts: 133
Share
SettingsSettings
Please wait...
  • 1/5 Questions

    17. 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.
Please wait...
About This Quiz

.

Preap Physics Exam #5 Numbers 16-20 - Quiz

Quiz Preview

  • 2. 

    18. 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
    A. b. Momentum is conserved, but kinetic energy is not conserved.
  • 3. 

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

    • A. elastic collision

    • B. inelastic collision

    • C. perfectly elastic collision

    • D. perfectly inelasticd. perfectly inelastic collision

    Correct Answer
    A. A. elastic collision
  • 4. 

    19. 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
    A. d. the momentum of one object will increase by the amount that the momentum of the other object decreases.
  • 5. 

    20. 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
    A. c. It comes to rest.

Quiz Review Timeline (Updated): Mar 21, 2022 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 02, 2015
    Quiz Created by
    Sfduke
Back to Top Back to top
Advertisement