In each of Problems through, find the steady periodic solution xsp(t) = C cos(ωt − α) of t...
In each of Problems through, find the steady periodic solution xsp(t) = C cos(ωt − α) of the given equation mx″ + cx′ + kx = F(t) with periodic forcing function F(t) of frequency ω. Then graph xsp(t) together with (for comparison) the adjusted farcing function F1(t) = F(t)/mw.
x″ + 4x′ + 4x = 10 cos 3t
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