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Amass weighing 20 pounds stretches a spring 6 inches. the mass is initially released from rest from a point 9 inches below the equilibrium position. (a) find the position x of the mass at the times t = π/12, π/8, π/6, π/4, and 9π/32 s. (use g = 32 ft/s2 for the acceleration due to gravity.)]
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Amass weighing 20 pounds stretches a spring 6 inches. the mass is initially released from rest from...
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