An object is attached to a spring. Assume that this object passes through its equlibrium position at times t = 0, 3, 6, 9...seconds. Assume that v(0) = 9 meters/seconds. (a) The position is x (t) = Acos(wt + o) where A = W= (b) Find the amplitude, the period and the frequency of x (t). Amplitude = meters. Period= seconds. Frequency= 1/seconds.

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