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Homework Help: Speed of waves

  1. Nov 20, 2005 #1
    The speed of a slinky

    Questions:
    i What happens to the speed of the wave if the material changes (ex. stretched)
    ii What happens to the speed of a pulse is reflected off one end of the material.
     
    Last edited: Nov 20, 2005
  2. jcsd
  3. Nov 21, 2005 #2

    siddharth

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    Homework Helper
    Gold Member

    runicle, what's the formula for a speed of a wave on a string? Can you express it in terms of its mass per unit length and its tension?
    So what happens to the tension and mass per unit length if the string is stretched?
     
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