• May 15th 2008, 04:10 AM
Jason Bourne
This is annoying but I can't figure out how to get x just as a function of v? How?!?!(Angry)

$2x^2 - x^4 = \frac{v^2}{2}$

Thanks.
• May 15th 2008, 04:17 AM
Isomorphism
Quote:

Originally Posted by Jason Bourne
This is annoying but I can't figure out how to get x just as a function of v? How?!?!(Angry)

$2x^2 - x^4 = \frac{v^2}{2}$

Thanks.

Solve it as a quadratic in $x^2$, then take square roots :)
• May 15th 2008, 07:30 AM
Jason Bourne
thanks its so obvious and i must be having a bad day