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Concept explainers
At what angle should the curve be banked, if the speed limit on the curve will be 65 miles per hour? (Hint: Change 65 miles per hour to feet per second.)
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Answer to Problem 49E
Explanation of Solution
Given information: Civil Engineering: Highway curves are usually banked or tilted inward so that cars can negotiate the curve more safely. The proper banking angle
Calculation:
First, convert miles per hour into feet per second. Simplify replace the word “mile” with 5280 feet and replace hour with 3600 seconds.
Chapter 5 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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