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The cost fuel in running a locomotive is proportional to the square of the speed and is $25 pe hour for a speed of 25 miles per hour. Other costs amount to $100 per hour, regardless of th speed. What is the speed which will make the cost per mile a minimum?

The cost fuel in running a locomotive is proportional to the square of the speed and is $25 pe hour for a speed of 25 miles per hour. Other costs amount to $100 per hour, regardless of th speed. What is the speed which will make the cost per mile a minimum?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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The cost fuel in running a locomotive is proportional to the square of the speed and is $25 per hour for a speed of 25 miles per hour. Other costs amount to $100 per hour, regardless of the speed. What is the speed which will make the cost per mile a minimum? 40 45 50 55
Transcribed Image Text:The cost fuel in running a locomotive is proportional to the square of the speed and is $25 per hour for a speed of 25 miles per hour. Other costs amount to $100 per hour, regardless of the speed. What is the speed which will make the cost per mile a minimum? 40 45 50 55
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