Question: A system has the loop transfer function where K = 10.5. Show that the system crossover (O dB) frequency is 5 rad/s and that the

A system has the loop transfer function
A system has the loop transfer function where K = 10.5.

where K = 10.5. Show that the system crossover (O dB) frequency is 5 rad/s and that the phase margin is 40°.

K(1 s/5) s(1 +s/2)(1 s/10) L(s) = Ge(s)G(s) =

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