A very small source of light that radiates uniformly in all directions produces an electric field amplitude of 2.95 V/m at a point 41 m from the source. What is the power output from the source? (c = 3.00 × 108 m/s, μ 0 = 4π × 10-7 T · m/A, ε 0 = 8.85 × 10-12 C2/N · m2)