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Homework Help: A flutist assembles her flute in a room where the speed of sound is 34

  1. Jan 11, 2010 #1
    1. The problem statement, all variables and given/known data

    A flutist assembles her flute in a room where the speed of sound is 340 m/s. When she plays the note A, it is in perfect tune with a 440 Hz tuning fork. After a few minutes, the air inside her flute has warmed to where the speed of sound is 347 .

    How many beats per second will she hear if she now plays the note A as the tuning fork is sounded?

    How far does she need to extend the "tuning joint" of her flute to be in tune with the tuning fork?

    2. Relevant equations

    f(beat) = 2f(mod) = 2 * (omega(mod))/(2pi) = f(1) - f(2)


    3. The attempt at a solution

    Ill get back with you on this
     
  2. jcsd
  3. Jan 11, 2010 #2

    Mark44

    Staff: Mentor

    Re: Beats

    I don't think it's f(1) - f(2). I think it might be f1 - f2.

    In your formulas, make sure you understand what each symbol represents.
     
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