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 distan 7 m. How much farther would it be to a point where the intensity is 250 W/m²? It would be meters farther. (Simplify your answer.)
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 distan 7 m. How much farther would it be to a point where the intensity is 250 W/m²? It would be meters farther. (Simplify your answer.)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 3E
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The intensity I of light from a light bulb varies inversely as the square of the distanced from the light bulb. Suppose I is 360 W/m? when the distance is 7 m. How much farther would it be to a point where the intensity is 250 WIm2?
Transcribed Image Text: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
7 m. How much farther would it be to a point where the intensity is 250 W/m²?
It would be meters farther.
(Simplify your answer.)
...
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