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Homework Help: Sinusiodal wave

  1. Oct 26, 2009 #1
    1. The problem statement, all variables and given/known data
    Sinusoidal waves 5.00 cm in amplitude are to be transmitted along a string that
    has a linear mass density of 4.00 × 10^–2 kg/m. If the source can deliver a
    maximum power of 300 W and the string is under a tension of 100 N, what is the
    highest frequency at which the source can operate?

    2. Relevant equations

    3. The attempt at a solution

    P=1/2*4.00 × 10^–2*w^2*0.05^2=300

    Was what I did correct? i feel as if i'm missing something since they also gave tension
  2. jcsd
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