Physics, 29.10.2019 22:31, danielmartinez024m

Amass weighing 4 lb stretches a spring 1.5 in. the mass is given a positive displacement of 2 in from its equilibrium position and released with no initial velocity. assuming that there is no damping and that the mass is acted on by an external force of 2 cos 3t lb, formulate the initial value problem describing the motion of the mass. (a computer algebra system is recommended.)

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Amass weighing 4 lb stretches a spring 1.5 in. the mass is given a positive displacement of 2 in fro...