A two-wire air line has the following line parameters: R = 0.404 (m/m), L= 2.0(µH/m),G= 0, and C= 5.56 (pF/m). For operation at 5 kHz, determine (a) the attenuation constant a,(b)the phase constant ß, (c) the phase velocity u, and (d) the characteristic impedance Z0.