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lifeonfire
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Homework Statement
A force acting on a particle is given by:
F = ( -(Am)/(y)^3 ) =( -(Am)/(y_0 - x)^3 )
The particle starts at rest at y = y_0.
Solve for the motion of the particle x(t) BY INVOKING ENERGY CONSERVATION
Homework Equations
The Attempt at a Solution
I have no idea how to solve this question using "energy conservation"
I can put F = ma and then integrate to find x(t). But how will I find x(t) with energy conservation. I know U(x) = - integral F(x) dx. But this does not help either.