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

question 24

Short Answer

The y-component of the electric field of an electromagnetic wave traveling in the +x direction through vacuum obeys the equation E_y = (375 N/C)cos[kx - (2.20 × 10¹⁴ rad/s)t].
(c = 3.0 × 10⁸ m/s)
(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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