Solved: A mass of 1 slug is suspended from a spring whose spring constant is 9 lb/ft
Chapter 3, Problem 12(choose chapter or problem)
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.
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