Mathematics, 19.03.2021 23:20, stinematesa

The intensity of light measured in foot-candles varies inversely with the square of the distance from the light source. Suppose the intensity of a light bulb is 0.02 foot-candles at a distance of 3 meters. Find the intensity level, I, at 8 meters

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The intensity of light measured in foot-candles varies inversely with the square of the distance fro...