A mass of 1 slug is suspended from a spring whose spring constant is 9 lb/ft. The mass is initially released from a point 1 foot above the equilibrium position with an upward velocity of 3 ft/s. Find the times for which the mass is heading downward at a velocity of 3 ft/s. (Enter your answers as a comma-separated list. Let n represent an arbitrary integer.)
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A mass of 1 slug is suspended from a spring whose spring constant is 9 lb/ft. The mass is initially...
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