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Waves. coursework question

  1. Feb 27, 2009 #1
    1. The problem statement, all variables and given/known data

    An unstretched spring has a length of 0.30m. When the spring is stretched to a total length of 0.60m, it supports traveling waves moving at 4.5 m/s. How fast will waves travel on this spring if it is stretched 0.90m?

    2. Relevant equations

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    3. The attempt at a solution

    ?
     
  2. jcsd
  3. Feb 28, 2009 #2

    tiny-tim

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    Welcome to PF!

    Hi dietcokegal! Welcome to PF! :wink:

    Show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:
     
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