The intensity of a standing electromagnetic wave is given by Ey(x,t)=2E0cos(kx)cos(wt), Bz(x,t)=2B0sin(kx)sin(wt). Calculate the Poynting vector SS and the time average of  SS for this standing wave.

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The intensity of a standing electromagnetic wave is given by Ey(x,t)=2E0cos(kx)cos(wt), Bz(x,t)=2B0sin(kx)sin(wt). Calculate the Poynting vector SS and the time average of  SS for this standing wave.

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