Two identical guitar strings are prepared such that they have the same length (1

Question

Two identical guitar strings are prepared such that they have the same length (1.78 m) and are under the same amount of tension. The first string is plucked at one location, primarily exciting the 3rd harmonic. The othe string is plucked Ina different location, primarily exciting the 5th harmonic. The resulting sounds give rise to a beat frequency of 369 Hz.
What is the wave propagation speed on the guitar strings?
Answer _____ m/s Two identical guitar strings are prepared such that they have the same length (1.78 m) and are under the same amount of tension. The first string is plucked at one location, primarily exciting the 3rd harmonic. The othe string is plucked Ina different location, primarily exciting the 5th harmonic. The resulting sounds give rise to a beat frequency of 369 Hz.
What is the wave propagation speed on the guitar strings?
Answer _____ m/s
What is the wave propagation speed on the guitar strings?
Answer _____ m/s

Explanation / Answer

let fundamental frequency = f

5f-3f = 369

f = 184.5 Hz

velocity = freq * wavlength = 184.5 * 1.78 = 328.41 m/s

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