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The magnetic field in a EM wave traveling in free space has an rms strength of...

The magnetic field in a EM wave traveling in free space has an rms strength of 22.9 nT.

How long does it take to deliver 365 J of energy to 1.50 cm2 of a wall that it hits perpendicularly?

Express your answer using three significant figures.

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Answer #1

&0 — 2 кото unit time per unit area Anerage energy per unit с во т — 2 Но I До Ast DU - - су to Apt 2. Bans = аахот Du = 365

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