Problem 18.13

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The animation shows a standing wave in an open pipe (position is given in centimeters and time is given in seconds).  Restart.

1. In which harmonic, n, is the air in the pipe oscillating?
2. Determine the frequency f_n of the tone produced by the pipe in this situation.
3. Determine the frequency of the eighth harmonic f₈.
4. Determine the speed of sound v.

Problem authored by Morten Brydensholt, Wolfgang Christian, and Mario Belloni.
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