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8. The y-component of the electric field of an electromagnetic(EM) field traveling in the x-direction through...

8. The y-component of the electric field of an electromagnetic(EM) field traveling in the x-direction through vacuum obeys the equation E~ y(x, t) = (325 N/C) cos[(4500 m−1 )x − (1.35 × 1012 rad/s)t + 0.6]ˆj (a) What are the wavelength and frequency of the EM wave? (b) Write an equation for the magnetic field vector of the EM field. (c) What is the average Poynting vector? I need all parts of this question. Thanks!

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Answer #1

Ê = 325 (oo [ 45002 - (1.35x10²) t too] å K - 45oomi ZIT d - 4500 217 => d= 4500 1.396x16 3 m w= 1.35X10² 21 f = 1:35x1012 f

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