The intensity I of light from a light bulb varies inversely as the square of the distance d from the light bulb. Suppose l is 640 w/m2 when the distance is 8 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.)

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter8: Rational Expressions And Equations
Section8.9: Use Direct And Inverse Variation
Problem 506E: The volume of a gas in a container varies inversely as the pressure on the gas. If a container of...
icon
Related questions
Question
The intensity I of light from a light bulb varies inversely as the square of the distance d from the light
bulb. Suppose l is 640 w/m2 when the distance is 8 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.)
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 l is 640 w/m2 when the distance is 8 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.)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Recommended textbooks for you
Elementary Algebra
Elementary Algebra
Algebra
ISBN:
9780998625713
Author:
Lynn Marecek, MaryAnne Anthony-Smith
Publisher:
OpenStax - Rice University
Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
Intermediate Algebra
Intermediate Algebra
Algebra
ISBN:
9781285195728
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
Algebra for College Students
Algebra for College Students
Algebra
ISBN:
9781285195780
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax