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Homework Help: Sound frequency

  1. Apr 12, 2012 #1
    1. The problem statement, all variables and given/known data

    A pipe has a length of 1 m.
    Determine the frequency of the first harmonic if the pipe is open at each end. The
    velocity of sound in air is 343 m/s.
    Answer in units of Hz

    2. Relevant equations

    f = v/2L

    3. The attempt at a solution

    I just did another problem like this and got it right but for some reason I keep getting this wrong. I plugged in f = (343)/2(1) = 171.5. But this is wrong. Not sure what I'm supposed to do.
  2. jcsd
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