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Please Help Rearrange this Equation

  1. Feb 18, 2009 #1
    Please Help: Trying to rearrange this equation X=Y-0.0065*Z*Y^.6 so that Y=...
  2. jcsd
  3. Feb 18, 2009 #2


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    Welcome to PF!

    Hi Ryan! Welcome to PF! :wink:
    I don't think you can …

    wherever does an equation like that come from? :smile:
  4. Feb 18, 2009 #3
    Thanks for the welcome. The equation comes from emperical equations from a tow tank in the 1960's to define the lift coefficient of a deadrise planing surface of a boat at speed. Thanks for the help. I have plotted the equation in excel then added a trendline to get a good fit and backed out equations, very cumbersome.
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