A light bulb emits energy at a rate of 75.0 W equally in all directions.

(a) At what distance will the intensity he I = 1.49 x 10^-2 W/m²?

(b) If you place a detector at this distance with a surface area of 0.455 m², then what power is received by the detector?

(c) How much time will it take for this detector to receive 8.50 J of energy?

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