The damped spring-mass oscillator is initially stationary with the spring unstretched. At...

The damped spring-mass oscillator is initially stationary with the spring unstretched. At t = 0. a force F(t) = 6 cos 1.6t N is applied to the mass.

(a) What is the steady-state (particular) solution?

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(b) Determine the position of the mass as a function of time.

(See Active Example 21.5.)