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A sound wave has a wavelength of 0.450 meters. If its speed in cold air is 330 meters/second, what is the wave's frequency?
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Wave speed is the product of wavelength and frequency. Therefore the frequency of your wave is 330/0.45 Hz.
\[frequency = (velocity)/ wavelength\] \[frequency= 330/0.450\] =733 or 734
It is\[733 \frac{1}{3} Hz.\]
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