11. Two waves of equal amplitude and frequency of 170 Hz travel with a speed of 85.0 m/s in opposite directions in a string that is fixed at both ends. If the string is 1.25 m long, which harmonic mode (n) is the standing wave set up in the string?

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11. Two waves of equal amplitude and frequency of 170 Hz travel with a
speed of 85.0 m/s in opposite directions in a string that is fixed at both
ends. If the string is 1.25 m long, which harmonic mode (n) is the standing
wave set up in the string?
Transcribed Image Text:11. Two waves of equal amplitude and frequency of 170 Hz travel with a speed of 85.0 m/s in opposite directions in a string that is fixed at both ends. If the string is 1.25 m long, which harmonic mode (n) is the standing wave set up in the string?
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