True or False. Use A for True and B for False. Enter the answer on the line next

Question

True or False. Use A for True and B for False. Enter the answer on the line next to the question. _________ A mass is oscillating in simple harmonic motion. The maximum speed of the mass is at the amplitude of the motion. __________ Resonance means that the amplitude of the oscillations decreases over time. ___________ A ball that bounces off a wall has a larger change in momentum than a ball that sticks to the wall. ___________ Momentum is conserved for all systems. __________ Two cars moving with different velocities could have the same momentum. C. Matching. Place the letter of the correct answer next to the statement. Each choice will be used only once. A. amplitude B. period C. frequency D. cycle E. restoring force. F. minimum G. pendulum H. Hooke's Law I. spring constant J. underdamped K. resonance L. overdamped M. slope N. increases O. decreases P. conserved Q. momentum R. impulse S. time T. system. U. elastic V. inelastic W. totally inelastic X. external Y. inte

Explanation / Answer

9. B--- maximum speed is at the mean position.

10.B--- it means that the amplitude increases over time.

11.A--- this is true as the ball reverses the direction the change is momentum is the initial momentum minus the final momnetum which is actually negative. So two minus makes it positive.

12.B--- Momentum is conserved only when there are no external forces acting on the sytem.

13.A--- Since momentum depends on the mass as well.

14. I

15.B

16.Q

17.J

18.W

19. E

20.Z

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