physics

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Across
  1. 2. any periodic motion that is the result of a restoring force that is proportional to displacement
  2. 4. a physical environment through which a disturbance can travel
  3. 6. k is quantity of ______
  4. 8. At a _____ boundary, waves are reflected and inverted
  5. 10. period = ____× square root of (length divided by free-fall acceleration)
  6. 11. a point in a standing wave, halfway between two nodes, at which the largest displacement occurs
  7. 13. At a _____ boundary, waves are reflected
  8. 14. The frequencies of __that are audible to humans range from 20 Hz to 20 000Hz
  9. 16. The distance the wave travels along its path during one cycle
  10. 18. number of complete cycles the ride swings through in a unit of time is the ride’s
  11. 20. the time it takes for this complete cycle of motion
  12. 22. a superposition of two or more waves in which individual dis- placements on opposite sides of the equilibrium position are added together to form the resultant wave
  13. 24. Much of your perception of the physical world is ______ on waves.
  14. 25. t is the quantity of _____
  15. 26. Units of hertz=s^-1
  16. 29. vibrations ______ to the direction of wave motion transverse wave
  17. 30. particles of the disturbed medium move perpendicularly to the wave motion
Down
  1. 1. A mass-spring system vibrates with simple harmonic motion the force if from ____ law
  2. 3. a superposition of two or more waves in which individual displacements on the same side of the equilibrium position are added together to form the resultant wave
  3. 5. When the particles of the medium vibrate parallel to the direction of wave motion
  4. 7. a point in a standing wave that maintains zero displacement
  5. 9. The highest point above the equilibrium position
  6. 12. _______ = −(spring constant displacement)
  7. 15. a wave pattern that results when two waves of the same fre- quency, wavelength, and ampli- tude travel in opposite directions and interfere
  8. 17. maximum displacement from the equilibrium position
  9. 19. vibrations ______ to the direction of wave motion are longitudinal wave
  10. 21. Waves that require a material medium
  11. 23. The lowest point below the equilibrium position
  12. 27. _______= frequency × wavelength
  13. 28. Felastic quantity of ______