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Homework Help: Strings help needed

  1. Oct 28, 2004 #1
    Help needed urgently!!!

    Question

    A string vibrates according to the equation:

    y=0.6sin px/4 cos 45pt p = pi , x and y = cm , t=s

    (i) what are the amplitude and velocity of the component wave given rise to this vibration?

    (ii) what is the distance between nodes?

    (iii) what is the velocity of a particle of the string at the position x= 2cm and y=3s?


    Any help or ideas would be greatly appreciated!!!!!
     
  2. jcsd
  3. Oct 28, 2004 #2
    ?????????????
     
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