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The force exerted by the wind on a plane surface varies jointly with the square of the velocity of the wind and with the area of the plane surface. If the area of the surface is 1 square feet and the wind velocity is 80 miles per hour, the resulting force is 6 pounds. Find the force on a surface of 4 square feet with a velocity of 40 miles per hour. pounds

The force exerted by the wind on a plane surface varies jointly with the square of the velocity of the wind and with the area of the plane surface. If the area of the surface is 1 square feet and the wind velocity is 80 miles per hour, the resulting force is 6 pounds. Find the force on a surface of 4 square feet with a velocity of 40 miles per hour. pounds

Algebra: Structure And Method, Book 1
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
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
Problem 12P
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The force exerted by the wind on a plane surface varies jointly with the square of the velocity of the wind and with the area of the plane surface. If the area of the surface is 1 square feet and the wind velocity is 80 miles per hour, the resulting force is 6 pounds. Find the force on a surface of 4 square feet with a velocity of 40 miles per hour. pounds
Transcribed Image Text:The force exerted by the wind on a plane surface varies jointly with the square of the velocity of the wind and with the area of the plane surface. If the area of the surface is 1 square feet and the wind velocity is 80 miles per hour, the resulting force is 6 pounds. Find the force on a surface of 4 square feet with a velocity of 40 miles per hour. pounds
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