The intensity (I) of a light source is inversely proportional to the square of the distance (d) from the source. If the intensity is 16 lumens at a distance of 16 feet, what is the intensity at a distance of 14 feet? Round to the nearest hundredth.
A) 20.90 lumens
B) 18.29 lumens
C) 1.31 lumens
D) 12.25 lumens
E) 19.69 lumens
A) 20.90 lumens
Mathematics
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A. Combinations B. Permutations C. Neither
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What will be an ideal response?
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A. -10 B. 6 C. -6 D. 10
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