In a vacuum, electromagnetic spreads flat

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Uploaded: 03.05.2014
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Description

The vacuum applies a plane electromagnetic wave. The amplitude of the electric field of the wave of 100 V / m. What energy this wave moves through the area 50 cm ^ 2, perpendicular to the direction of wave propagation in the time t = 1, min. The period of the T-wave << t.

Additional information

Task 40069. Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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