Posted by **noah** on Tuesday, July 26, 2011 at 11:22pm.

A 1.25kg mass stretches a vertical spring 0.215m.If the spring is stretches an additional 0.130m and released,

(a)how long does it take to reach the equilibrium position again?

(b)Write an equation giving its position y as a function of time t.

(c)What will be its maximum speed and maximum acceleration?

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