Маса якої фігури обчислюється за формулою ;  чому дорівнює густина і маса  ?

Considere o seguinte exemplo em que o código postal é representado textualmente:

Consider the root locus for a unity-gain negative

feedback system having the characteristic equation 

, where k denotes the compensator

gain of

the forward path transfer function. 

Let k = k_marginal > 0

be the

value of the gain at which the branches of the root locus intersect the imaginary axis. 

The value of w_marginal =  

Consider the root locus for a unity-gain negative

feedback system having the characteristic equation 

, where k denotes the compensator

gain of

the forward path transfer function. 

Let theta_dep

(in degrees) be the

value of the angle of departure of the root locus branch starting from the pole at 

The value of theta_dep (in degrees) = 

Note: Write your answer such that 0 <= theta_dep<= 360 (degrees).

Consider the root locus for a unity-gain negative

feedback system having the characteristic equation 

, where k denotes the compensator

gain of

the forward path transfer function. 

Let k = k_BA > 0

be the

value of the gain at the break-away point.

The value of s_BA =  

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