Problem 5:   Electromagnetic radiation from a 5.05-mW laser is concentrated on a 1.05-mm2 area.   Part (a)  What is the intensity of the radiation falling on this surface, in watts per square meter?  I = 4809     ✔ Correct!    Part (b)  Suppose the surface carries a 2.00-nC electric charge. What is the maximum magnitude of the electric force, in newtons, it experiences?  FE,0 = 3.805 * 10-6   Part (c)  If the charge moves at 400 m/s, what is the maximum magnetic force, in newtons, that it feels?  FB,0 =    Please answer c, 4.68 * 10- 12 is incorrect

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