Solved: A mass of 1 slug, when attached to a spring, stretches it 2 feet and then comes
Chapter 3, Problem 31(choose chapter or problem)
A mass of 1 slug, when attached to a spring, stretches it 2 feet and then comes to rest in the equilibrium position. Starting at t = 0, an external force equal to f (t) = 8 sin 4t is applied to the system. Find the equation of motion if the surrounding medium offers a damping force numerically equal to eight times the instantaneous velocity
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