A cable that weighs 4 lb/ft is used to lift 800 lb of coal up a mine shaft 550 ft deep. Find the work done. Show how to approximate the required work by a Riemann sum. (Let x be the distance in feet below the top of the shaft. Enter x* as x₁.) 4x x ) Ax lim nx i=1 Express the work as an integral. 550 2(550)²-0² )dx Evaluate the integral. 1045000 ft-lb

A cable that weighs 4 lb/ft is used to lift 800 lb of coal up a mine shaft 550 ft deep. Find the work done. Show how to approximate the required work by a Riemann sum. (Let x be the distance in feet below the top of the shaft. Enter x* as x₁.) 4x x ) Ax lim nx i=1 Express the work as an integral. 550 2(550)²-0² )dx Evaluate the integral. 1045000 ft-lb

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

6th Edition

ISBN:9781337111348

Author:Bruce Crauder, Benny Evans, Alan Noell

Publisher:Bruce Crauder, Benny Evans, Alan Noell

ChapterA: Appendix

SectionA.2: Geometric Constructions

Problem 10P: A soda can has a volume of 25 cubic inches. Let x denote its radius and h its height, both in...

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