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Please help me with this question. Thank you so much! 4) Electromagnetic waves spread spherically outward in all directions from a central source. At a

Please help me with this question. Thank you so much!

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4) Electromagnetic waves spread spherically outward in all directions from a central source. At a distance of 17.5 m from the source the rms (average) electric field magnitude is measured to be 2.2.7 N/C. What are the electric and magnetic field energy densities at a distance of1o.o m from the source

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