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A mechanical or electronic system or device that works on the principles of oscillation, that is a periodic fluctuation between two things based on changes in energy. These range from abstract models such as a harmonic oscillator to electrical devices such as an LC circuit.

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What is the time period of an oscillator with varying spring constant?

From Newton's second law we have (whether $k$ is constant or not) that: \begin{equation} m\ddot{x}+kx=0 \end{equation} The only difference is whether or not $k$ is a function of $t$ or not. If it is a …
Eric R. Anschuetz's user avatar