On a day when the speed of sound is \( 345 \mathrm{~m} / \mathrm{s} \), the fundamental frequenc...

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On a day when the speed of sound is \( 345 \mathrm{~m} / \mathrm{s} \), the fundamental frequency of a closed organ pipe is \( 220 \mathrm{~Hz} \). (a) How long is this closed pipe? (b) The second overtone of this pipe has the same
P wavelength as the third harmonic of an open pipe. How long is the open pipe?

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