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Statement of a problem № 41113

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The speed of sound in air at 20oC is 344 m/s. (a) What is the wavelength of a sound wave with a frequency of 784 Hz, corresponding to the note 0, on a piano, and how many milliseconds does each vibration take? (b) What is the wavelength of a sound wave one octave higher than the note in pan (a)?




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