daltonglover10041 daltonglover10041 03-06-2024 Engineering Answered A tape recorder with a unity feedback speed con- trol system has the loop transfer function L(s)=G(s)G(s)=(K)/(s(s+2)(s²+4s+5)). (a) Sketch a root locus for K , and show that the dominant roots are s = -0.35 ± j0.80 when K = 6.5