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Math Help - Re-arrange to Find V

  1. #1
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    Cool Re-arrange to Find V

    Tr = 0.5SV^2(Cdo+((4W^2)/(AR*e*pi*V^4*p^2)))*p

    Please help me isolate V in this Thrust required equation
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  2. #2
    MHF Contributor ebaines's Avatar
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    Re: Re-arrange to Find V

    Your equation is essentially of this form:

     T_r = Av^2 + \frac B {v^2}

    Where A and B are constants. You can rearrange to put it into this form:

     Av^4 -T_r v^2+B = 0

    Now solve for v^2 using the quadratic equation.
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