Exam 5 Target 5 Retake Preap
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A billiard ball hits the edge of another billiard ball that is initially at rest. The second ball moves off at an angle. Which of the following is true?
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The momentum of the first ball doesn’t change.
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The momentum of the second ball doesn’t change.
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The total momentum of the system increases.
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The momentum lost by the first ball is gained by the second ball.
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.
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- 2.
In any collision
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Total momentum is not conserved.
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Total kinetic energy is conserved.
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Total momentum is conserved.
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Total momentum is not conserved but total kinetic energy is conserved.
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Total momentum and total kinetic energy are conserved and the masses are equal.
Correct Answer
A. Total momentum is conserved. -
- 3.
When a cannon fires a cannonball, the cannon will recoil backward because the
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Energy of the cannonball and cannon is conserved.
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Momentum of the cannon is greater than the energy of the cannonball.
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Momentum of the cannonball and cannon is conserved.
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Energy of the cannon is greater than the energy of the cannonball.
Correct Answer
A. Momentum of the cannonball and cannon is conserved. -
- 4.
Which of the following statements about the conservation of momentum is not correct?
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Momentum is conserved for a system of objects pushing away from each other.
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Momentum is not conserved for a system of objects in a head-on collision.
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Momentum is conserved when two or more interacting objects push away from each other.
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The total momentum of a system of interacting objects remains constant regardless of forces between the objects.
Correct Answer
A. Momentum is not conserved for a system of objects in a head-on collision. -
- 5.
A rubber ball and a lump of putty have equal mass. They are thrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. The putty sticks to the wall. Which objects experiences the greater momentum change?
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The ball
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The putty
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Both experience the same momentum change.
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Cannot be determined from the information given
Correct Answer
A. The ball -
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Current Version
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Mar 16, 2022Quiz Edited by
ProProfs Editorial Team -
Oct 20, 2015Quiz Created by
Sfduke
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