Electromagnetic radiation from a 4.9-mW laser is concentrated on a 0.75-mm2 area. Part (a) What is the intensity of the radiation falling on this surface, in watts per square meter? I = 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 = Part (c) If the charge moves at 400 m/s, what is the maximum magnetic force, in newtons, that it feels? FB,0

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