Part A

A spherically spreading EM wave comes from a $2000$ W source.

At a distance of $4\mathrm{.}7$ m $,$ what is the intensity?

Express your answer using two significant figures.

Correct

Part B

What is the rms value of the electric field?

Express your answer using two significant figures.

$\backslash [$

E$\_\{\backslash$mathrm$\{$rms$\}\}=$

$\backslash ]$

$\backslash [$

$\backslash$mathrm$\{$V$\}/\backslash$mathrm$\{$m$\}$

$\backslash ]$

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