anonymous
  • anonymous
A sound wave in air has a speed of 340 m/s. If this sound wave is known to have a wavelength of 20 meters, what is its frequency?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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ash2326
  • ash2326
wavelength=20 meters speed= 340m/s frequency=speed/wavelength=340/20=17 Hz
anonymous
  • anonymous
thanks what formula dis you use?
ash2326
  • ash2326
frequency= speed/ wavelength

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anonymous
  • anonymous
Arrange the following sound waves according to speed from the slowest to the fastest: The sound waves in steel, the sound waves in cold air, the sound waves in water, and the sound waves in hot air.
anonymous
  • anonymous
\[\lambda = {v \over f}\]This is the formula ash is using.
anonymous
  • anonymous
Regarding your second question. Sound waves travel faster through denser mediums.

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