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## Homework Statement

Consider an isotropic harmonic oscillator whose potential is given by V(r)=0.5kr^2. Calculate the value of r(t) for the orbit of a particle.

## Homework Equations

dr/dt=[tex]\sqrt{2/m(E-0.5kr^2-L^2/2mr^2)}[/tex] (call the right side of the eqn 'stuff')

## The Attempt at a Solution

I'm unable to solve the integral [tex]\int[/tex][tex]\frac{dr}{stuff}[/tex] as is.

I'm sure there's a subsitution or some other trick I can do to make the integral solvable but I can't figure it out =/