10. A 32 lb weight is attached to the end of a spring with constant $k = 9$ lb/ft and subjected to an external force $F(t) = 16\sin t$ lb. The weight is initially displaced 6 inches above equilibrium and given an upward velocity of 2 ft/sec. Find
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5 ft) above equilibrium, and the initial velocity is 2 ft/sec. Show more…
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