A child flies a kite at a height of 40 feet, the wind carrying the kite horizontally away from the child at a rate of 25 feet/second. How fast is the length of the string changing when the string that the child let out is 50 feet long?

A child flies a kite at a height of 40 feet, the wind carrying the kite horizontally away from the child at a rate of 25 feet/second. How fast is the length of the string changing when the string that the child let out is 50 feet long?

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 503E: The length a spring stretches varies directly with a weight placed at the end of the spring. When...

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