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Home Q & A Board Science-Related Homework Help Physics
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mikael mikael
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10 years ago
The energy flow per unit time per unit area (S) of an electromagnetic wave has an average value of
851 mW/m2. The wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. The total energy that traverses the area in a time interval of one minute is closest to: 
A) 150 J 
B) 190 J 
C) 230 J 
D) 270 J 
E) 310 J 
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padrepadre
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10 years ago
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mikael Author
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10 years ago
Thanks for the homework help on my physics
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