8. The Intesity of Light I from a a light bulb varies inversely as the square of the distance d fromthe bulb. Suppose that I is 90 W/m2 when the distance is 5 m. How much farther would itbe to a point where the intesnsity is 40 W/m2?

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Answered: 8. The Intesity of Light I from a a…

Algebra for College Students

10th Edition

ISBN:9781285195780

Author:Jerome E. Kaufmann, Karen L. Schwitters

Publisher:Jerome E. Kaufmann, Karen L. Schwitters

Chapter8: Functions

Section8.7: Direct And Inverse Variation

Problem 39PS

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8. The Intesity of Light I from a a light bulb varies inversely as the square of the distance d from the bulb. Suppose that I is 90 W/m² when the distance is 5 m. How much farther would it ho uhore t1 40 W/m27