A particular open organ pipe has a fundamental frequencyof 220 Hz (known to musicians as A3 or “A below middle C”) when thespeed of sound waves in air is 344 m/s. (a) What is the length of this pipe?(b) The third harmonic of this pipe has the same frequency as the fundamentalfrequency of a stopped pipe. What is the length of this stopped pipe?

A particular open organ pipe has a fundamental frequencyof 220 Hz (known to musicians as A3 or “A below middle C”) when thespeed of sound waves in air is 344 m/s. (a) What is the length of this pipe?(b) The third harmonic of this pipe has the same frequency as the fundamentalfrequency of a stopped pipe. What is the length of this stopped pipe?

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Question

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A particular open organ pipe has a fundamental frequency
of 220 Hz (known to musicians as A3 or “A below middle C”) when the
speed of sound waves in air is 344 m/s. (a) What is the length of this pipe?
(b) The third harmonic of this pipe has the same frequency as the fundamental
frequency of a stopped pipe. What is the length of this stopped pipe?

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