A piano string vibrates producing a frequency of 262 Hz and has a wavelength of 1.3 m. What is the speed of the sound waves?
回答 (1)
2016-02-10 7:56 pm
u = f*λ = 262*1.3 = 340.6 m/s
收錄日期: 2021-04-21 16:46:01
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