An electromagnetic wave propagating in a lossy medium is characterized by its electric field given by E(z,t) = 300e-003 sin(3 x 1015t- 10'z +) (V/m) where z is the distance travelled by the wave in meters. Determine (a) the direction of wave travel, (b) the reference phase po. (c) the phase velocity up, and (d) the maximum amplitude of the wave at a distance 200 m.
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