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## Homework Statement

A particle of mass m is attached to a spring (of spring constant k) and has a natural angular frequency ω

_{0}. An external force. F(t) proportional to cos ωt(ω ≠ ω

_{0}) is applied to the oscillator. The time displacement of the oscillator will be?

## Homework Equations

F=-kx

=-mω

^{2}x

## The Attempt at a Solution

F=-ω

_{0}

^{2}x+F

_{0}cos ωt