G= pi x D^2/ 4JL

Hi how can I rearrange this to give me a value of D??

Thank you for your help in advance.

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- Dec 4th 2009, 12:57 PMscarface1rearrange equation
*G= pi x D^2/ 4JL*

Hi how can I rearrange this to give me a value of D??

Thank you for your help in advance.

- Dec 4th 2009, 01:02 PMRaoh
$\displaystyle G=\left (\frac{\pi x}{4JL} \right )D^2$

$\displaystyle D^2=\frac{G}{\frac{\pi x}{4JL}}$

$\displaystyle D^2=\frac{G4JL}{\pi x}$

$\displaystyle D=$$\displaystyle +\sqrt{\frac{G4JL}{\pi x}}$ or $\displaystyle -\sqrt{\frac{G4JL}{\pi x}}$ - Dec 4th 2009, 01:06 PMscarface1
Oh thank you soo much for your prompt reply!!