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Answer to Question #19384 in Mechanics | Relativity for Mark

Question #19384
What is the frequency of a sound wave in air at 20°C that has a wavelength of 0.4 m?
Expert's answer
speed of sound in the air at& 20°C is 343.21 m/s
then frequency is 343.21/0.4 =& 858.02500 Hz

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