asmith219771
29.07.2020 •
Physics
The speed of sound in air is 340 m/s, and the density of air is 1.2 kg/m3. If the displacement amplitude of a 330-Hz sound wave is 14 µm, what is its pressure-variation amplitude?
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Ответ:
I bel.ieve the answer is 279Ghz
Ответ:
look it up
Explanation: