A light bulb emits 101.1 Watts of electromagnetic radiation uniformly in all directions. A circular Petri dish of diameter 14.9 cm is placed 0.883 meters from the light directly below it. What power of electromagnetic radiation is incident on the Petri dish? Give your answer in Watts, with three significant figures.
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A light bulb emits 101.1 Watts of electromagnetic radiation uniformly in all directions. A circular...
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