Question: Given the characteristic equation: s 2 + 2 s + 9 = 0 for v ( t ) , what is the value of the

Given the characteristic equation: s2+2s +9=0 for v(t), what is the value of the sinusoidal angular frequency () in the underdamped expression:
v(t)= e -t[Acos(wt)+ Bsin(t)]?

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