Elastic And Inelastic Collisions! Physics Trivia Questions Quiz

14 Questions | Total Attempts: 873

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Elastic And Inelastic Collisions! Physics Trivia Questions Quiz

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Questions and Answers
  • 1. 
    Two objects stick together and move with a common velocity after colliding. Identify the type of collision.
    • A. 

      Elastic

    • B. 

      Inelastic

    • C. 

      Perfectly elastic

    • D. 

      Perfectly Inelastic

  • 2. 
    Two billiard balls collide. Identify the type of collision.
    • A. 

      Elastic

    • B. 

      Inelastic

    • C. 

      Perfectly elastic

    • D. 

      Perfectly inelastic

  • 3. 
    Two balls of dough collide and stick together. Identify the type of collision.
    • A. 

      Elastic

    • B. 

      Inelastic

    • C. 

      Perfectly elastic

    • D. 

      Perfectly inelastic

  • 4. 
    Two cars collide, lock bumpers, and move together after the collision.
    • A. 

      Elastic

    • B. 

      Inelastic

    • C. 

      Perfectly elastic

    • D. 

      Perfectly inelastic

  • 5. 
    A tennis ball is dropped from 1.0 m, bounces off the ground, and rises to 0.85 m. What kind of collision occurred between the ball and the ground?
    • A. 

      Elastic

    • B. 

      Inelastic

    • C. 

      Perfectly elastic

    • D. 

      Perfectly inelastic

  • 6. 
    In what kind of collision is kinetic energy always conserved?
    • A. 

      Elastic

    • B. 

      Inelastic

    • C. 

      Perfectly elastic

    • D. 

      Perfectly inelastic

  • 7. 
    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.

  • 8. 
    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.

  • 9. 
     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.

  • 10. 
    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.

  • 11. 
    A ship with a mass of 4.50 x 107 kg and a velocity of 2.30 m/s to the north collides with another ship whose mass is 2.30 x 107 kg. If the speed of the second ship is 3.40 m/s to the south, what is the change in the kinetic energy after the two ships undergo a perfectly inelastic collision?
    • A. 

      0.38 m/s

    • B. 

      4.91 x 10^6 J

    • C. 

      -2.47 x 10^8 J

    • D. 

      2.52 x 10^8 J

  • 12. 
    A ball of clay with a mass of 55 g and a speed of 1.5 m/s collides with a 55 g ball of clay that is at rest. What is the kinetic energy after the inelastic collision?
    • A. 

      0.03 J

    • B. 

      -0.03 J

    • C. 

      0.06 J

    • D. 

      0.75 m/s

  • 13. 
    The hog-nosed bat is the smallest mammal on Earth: it is about the same size as a bumblebee and has an average mass of 2.0 g. Suppose a hog-nosed bat with this mass flies at 2.0 m/s when it detects a bug with a mass of 0.20 g flying directly toward it at 8.0 m/s. What is the velocity of the bug and the bat after the collision?
    • A. 

      .004 m/s

    • B. 

      0.0024 m/s

    • C. 

      2.55 m/s

    • D. 

      1.09 m/s

  • 14. 
    The cheapest car ever commercially produced was the , which sold in 1922 in the United States for about $250. The car’s mass was only 111 kg. Suppose two of these cars are used in a stunt crash for an action film. If one car’s initial velocity is 9.00 m/s to the right and the other car’s velocity is 5.00 m/s to the left, what is the velocity of the cars after the collision?
    • A. 

      7 m/s

    • B. 

      4 m/s

    • C. 

      2 m/s

    • D. 

      14 m/s

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