jaime14040
jaime14040 jaime14040
  • 07-12-2016
  • Physics
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Describe a compression and a rarefaction of a sound wave traveling through air.

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Аноним Аноним
  • 07-12-2016
Compression occurs when the emitter is moving towards the observer compressing the wavelengths. This increases the pitch and is the 1st half of the Doppler effect.
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