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sugarplum31
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Homework Statement
A mass of 5 kilograms dangles from a spring, stretching the spring centimeters when in equilibrium.
The mass oscillates vertically in a fluid, with a frictional force times its speed.
If initially it starts from rest at an extension below the equilibrium point of centimeters, describe the subsequent motion, with a plot of the extension against time and with a phase space plot.
Homework Equations
I looked through my book, but my first problem is that I can't figure out if it is Simple Harmonic Motion, or Forced Harmonic Motion. I don't see any specific equations for this that involves all of the variables I have.