Sound and Acoustics

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Across
  1. 3. per second
  2. 4. is a set of symbols
  3. 6. chords
  4. 7. energy
  5. 8. engines
  6. 11. motion
  7. 12. pressure
  8. 14. strings
  9. 15. hearing
  10. 16. sound
  11. 18. is the distance moved per second
  12. 20. decreases
  13. 21. displaced
  14. 23. increases
Down
  1. 1. vibrations
  2. 2. pipes
  3. 5. through
  4. 6. walls
  5. 7. of
  6. 9. low
  7. 10. fans
  8. 13. of sound
  9. 17. high
  10. 19. and a pattern
  11. 22. is a variation in the pressure of the air