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## Homework Statement

A harmonic oscillator has angular frequency ω and amplitude A. What is the magnitude of the displacement when the elastic potential energy is equal to the kinetic energy? (Assume that U = 0 at equilibrium.)

Express your answer in terms of the variables ω and A.

## Homework Equations

Potential Energy: U=(1/2)kx^2

Kinetic Energy: K= (1/2)mv^2

## The Attempt at a Solution

Honestly, I dont really understand the question. What I was thinking had to be done at first was to set the PE formula equal to the KE formula, and then solve for x, which is the displacement.