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More waves.

  1. Feb 27, 2009 #1
    1. The problem statement, all variables and given/known data

    A periodic transverse wave is established on a string such that there are exactly two cycles traveling along a 3.0m section of the string. The crests move at 20 m/s. What is the frequency of the wave?

    2. Relevant equations


    3. The attempt at a solution

    Dont know how to do it.
  2. jcsd
  3. Feb 27, 2009 #2
    Let's take the problem apart a bit. for starters if there are two cycles in a 3.0m section that's essentially saying that 2*wavelength = 3.0m, right?

    Now, how do we find frequency from wavelength?
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