Question
The intensity I of light from a light bulb varies inversely as the square of the distance d from the light bulb. Suppose I is
The intensity I of light from a light bulb varies inversely as the square of the distance d from the light bulb. Suppose I is 360 W/m2 when the distance is 3 m. How much further would it be to a point where the intensity is 250 W/m2?
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Discrete and Combinatorial Mathematics An Applied Introduction
Authors: Ralph P. Grimaldi
5th edition
201726343, 978-0201726343
