The intensity I of light from a light bulb varies inversely as the square of the distanced from the light bulb. Suppose I is 90 w/m2 when the distance is 5 m. How much farther would it be to a point where the intensity is 40 w/m2? meters farther. It would be (Simplify your answer.)

The intensity I of light from a light bulb varies inversely as the square of the distanced from the light bulb. Suppose I is 90 w/m2 when the distance is 5 m. How much farther would it be to a point where the intensity is 40 w/m2? meters farther. It would be (Simplify your answer.)

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter8: Introduction To Functions

Section: Chapter Questions

Problem 34CLR

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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 90 w/m2 when the distance is 5 m. How much farther would it be to a point where
the intensity is 40 w/m2?
meters farther.
It would be
(Simplify your answer.)

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