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Social Studies, 14.01.2021 20:10 awdadaddda

A sound wave has a frequency of 20 Hz and a wavelength of 100 m. What is the wave
speed?
A 2000 m/s
B. 100 m/s
C. 50 m/s
D. 0.20 m/s

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A sound wave has a frequency of 20 Hz and a wavelength of 100 m. What is the wave
speed?
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