How do I solve by writing a variation equation? The resistance of a wire varies directly as its length and inversely as its cross-sectional area. A wire of length 50cm and cross-sectional area 0.02cm^2 has a resistance of 4 ohms. Find the resistance of 70cm of the same type of wire.

How do I solve by writing a variation equation? The resistance of a wire varies directly as its length and inversely as its cross-sectional area. A wire of length 50cm and cross-sectional area 0.02cm^2 has a resistance of 4 ohms. Find the resistance of 70cm of the same type of wire.

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter5: Polynomial And Rational Functions

Section: Chapter Questions

Problem 28PT: Solve the following application problem. The distance a body falls varies directly as the square of...

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