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1 4 A weight is oscillating on the end of a spring see figure The position of the weight relative to the point of equilibrium

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1 4 A weight is oscillating on the end of a spring see figure The position of the weight relative to the point of equilibrium is given by y 12 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 www cos7t 3sin 7t where y is

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