Posted by **Ally** on Thursday, January 19, 2012 at 2:37pm.

A spring force constant 210 N/m vibrates with an amplitude of 28.0 cm when .250 kg hangs from it.

What is the equation describing this motion as a function of time? Assume that the mass passes through the equilibrium point with positive velocity at t=0.

At what times will the spring have its maximum and minimum extensions?

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