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Homework Help: Constructive/Destructive Sound Waves

  1. Nov 22, 2008 #1
    1. The problem statement, all variables and given/known data
    Link to problem: http://img147.imageshack.us/my.php?image=soundqj3.png

    2. Relevant equations

    No idea, One of the reasons I'm asking. >.>

    3. The attempt at a solution

    Ok, I have no idea how to even begin this problem. I need a hint in the right direction, or just what the formula I need here. Thanks in advance.
  2. jcsd
  3. Nov 22, 2008 #2
    Never mind, I figured out what the relationship between the wavelength and the interferance.

    http://physics.ucsd.edu/students/courses/winter2008/physics1c/documents/1.3Sound.notes.pdf [Broken]

    That site helped a lot.
    Last edited by a moderator: May 3, 2017
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