Homework Help: College Physics 2056

Posted by Tony on Sunday, April 8, 2012 at 12:24am.

An electromagnetic wave strikes a 3.00-cm2 section of wall perpendicularly. The rms value of the wave's magnetic field is determined to be 6.00 10-4 T. How long does it take for the wave to deliver 1000 J of energy to the wall?

College Physics 2056 - Tony, Sunday, April 8, 2012 at 12:52am
Figured it out.
E/SA=t

1000/[(2.38e14*B^2)*(Area)]= t

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