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cheimdal
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Homework Statement
A marble is oscillating in a parabolic bowl ( y = ax^2 ) Assuming mechanical energy is conserved, and that the oscillation amplitude is small, find the oscillation frequency.
(Use the potential energy to find the force acting on the marble as a function of x)
Homework Equations
Well obviously EP = mgy = mgax^2
small oscillations: sin t can be approximated by t.
I can't figure out how to put up the differential equation correctly.