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Composite String Question

  1. Jul 25, 2007 #1
    1. The problem statement, all variables and given/known data
    The composite string consists of two strings having lengths of l1 and l2, and linear densities [tex]\rho[/tex]1 and [tex]\rho[/tex]2

    Find y[tex]_{r}[/tex] / y[tex]_{i}[/tex] in terms of l1 and l2, and [tex]\rho[/tex]1 and [tex]\rho[/tex]2

    2. Relevant equations
    y[tex]_{r}[/tex] is the wave reflected from the "interface" of the two strings, and y[tex]_{i}[/tex] is the incident wave from the left of the string with length l1 and linear density [tex]\rho[/tex]1


    3. The attempt at a solution
    actually, i dont know. my professor provided me only with the string wave function, y=yosin(kx-[tex]\omega[/tex]t), which obviously has no mention of linear densities.

    Help please. any suggestion would be appreciated. Thanks ^_^
     
    Last edited: Jul 25, 2007
  2. jcsd
  3. Jul 25, 2007 #2
    anyone, please help. :(
     
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