pdalzell36581 pdalzell36581 08-04-2024 Engineering contestada Given the characteristic equation: s²+4s+15 = 0 for v(t), what is the value of the sinusoidal angular frequency (ω) in the underdamped expression:v(t)=e⁻σᵗ[Acos(ω)t + Bsin(ω)t]?