p34_032 - 32. (a) The discussion in 17-5 regarding the...

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32. (a) The discussion in § 17-5 regarding the argument of the sine function ( kx + ωt ) makes it clear that the wave is traveling in the negative y direction. Thus, ~ S points in the ˆ j direction. (b) Since ~ E × ~ B ~ S and ~ B points in the ˆ i direction, then we may conclude that
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