A electromagnetic wave strikes a 240-cm2 section of wall

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An electromagnetic wave strikes a 2.40-cm2 section of wall perpendicularly. The rms value of the wave's magnetic field is determined to be 7.60 10-4 T. How long does it take for the wave to deliver 2350 J of energy to the wall?

Give answer in seconds.

Reference no: EM13590732

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