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The magnetic field in a traveling EM wave has an rms strength of 22.5 nT. How long does it take to deliver 365 J of energy to $1.00 \textrm{ cm}^2$ of a wall that it hits perpendicularly?

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 

$350 \textrm{ days}$

Giancoli 7th Edition, Chapter 22, Problem 23


Chapter 22, Problem 23 is solved.

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