A 0.5 kg mass hangs from a 3.5 cm vertical spring with a force constant of 430 N/m. If the spring oscillates vertically with an amplitude of 1 cm, write out the equation of oscillation for the spring, where y is measured from the anchor point of the spring:
y(t) = Acos(ωt) + y0
assuming that at t = 0, the spring is at its longest length during the oscillation.
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