Question: A weight is oscillating on the end of a spring (see figure). The displacement from equilibrium of the weight relative to the point of equilibrium

A weight is oscillating on the end of a spring (see figure). The displacement from equilibrium of the weight relative to the point of equilibrium is given by y = 1/12 (cos 8t - 3 sin 8t) where y is the displacement (in meters) and t is the time (in seconds). Find the times when the weight is at the point of equilibrium (y = 0) for 0 ‰¤ t ‰¤ 1.

Equilibrium

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