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Sound in Bottle

  1. Feb 4, 2007 #1
    1. The problem statement, all variables and given/known data
    (a)What resonant frequency would you expect from blowing across the top of an empty soda bottle that is 15cm deep?

    (b) How would that change if it was one-third of soda


    2. Relevant equations
    /\=v/f


    3. The attempt at a solution
    15cm=1.5m
    /\=2L=2(1.5m)=3.0m

    (a) After I find /\, I try to solve for frequence (f) by plugging /\ into /\=v/f but I do not have v or f. So, I don't know what to do.

    (b) I think the answer would be (1/3)/\ .

    [ EDIT ] Nevermind, I figured it out.
     
    Last edited: Feb 4, 2007
  2. jcsd
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