Atraveling electromagnetic wave in a vacuum has an electric field amplitude of 81.1 v/m. calculate the intensity s of this wave. then, determine the amount of energy u that flows through the area of 0.0253 m^2 over an interval of 19.9 s, assuming that the area is perpendicular to the direction of wave propagation.
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Atraveling electromagnetic wave in a vacuum has an electric field amplitude of 81.1 v/m. calculate t...
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