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Standing Waves Formula Question

  1. Dec 6, 2008 #1
    1. The problem statement, all variables and given/known data
    In the equation describing the superposition of the two waves to obtain a standing wave, which term represents the wave propagating to the left?

    2. Relevant equations

    Y(x,t) = Asin2[tex]\pi[/tex](t/T - x/[tex]\lambda[/tex]) + Asin2[tex]\pi[/tex](t/T +x/[tex]\lambda[/tex])

    3. The attempt at a solution
    I think its Asin2[tex]\pi[/tex](t/T +x/[tex]\lambda[/tex]) because I remember in math that the + in the sin wave will shift it towards the left, but im not sure. FYI:
    T= Tension
    t= rime
    A= amplitude
    [tex]\lambda[/tex]= wave length
  2. jcsd
  3. Dec 6, 2008 #2


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    Homework Helper

    Sounds good to me. Do you know calculus? You can also check the sign of
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