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The Y-Component of the Electric Field of an Electromagnetic Wave

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The y-component of the electric field of an electromagnetic wave traveling in the +x direction through vacuum obeys the equation Ey = (375 N/C)cos[kx - (2.20 × 1014 rad/s)t]. The y-component of the electric field of an electromagnetic wave traveling in the +x direction through vacuum obeys the equation E<sub>y</sub> = (375 N/C)cos[kx - (2.20 × 10<sup>14</sup> rad/s)t].   (a)What is the largest that the x-component of the wave can be? (b)What is the largest that the z-component of the wave can be? (a)What is the largest that the x-component of the wave can be?
(b)What is the largest that the z-component of the wave can be?


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