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A wave question

  1. Feb 3, 2006 #1
    tension is maintained in a string as in the figure. the observered wave speed is 26 m/s when the suspended mass is 3.2 kg

    what is the mass per unit length of the string in kg/m

    what is the wave speed of the suspended mass when it is 2.5 kg. ans in m/s

    please help

    (the picture has a string attached to a vertical wall then a pulley and then the mass hanging from the pulley)
  2. jcsd
  3. Feb 3, 2006 #2
    i got it
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