Chemistry, 14.07.2019 15:30 faithrawlins14
Asmall hummingbird flying around beats its wings with a frequency of 170 hz. if the wavelength of the sound wave produced is 2 m, what is the speed of the sound wave?
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Asmall hummingbird flying around beats its wings with a frequency of 170 hz. if the wavelength of th...
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