Answered: A heavy rope, 70 ft long and weighing…

A heavy rope, 70 ft long and weighing 42 Ibs, hangs over the edge of a building 100 ft high. How much work W is done in pulling the rope up 20 ft? W = 1280 X ft-lb Submit Answer

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter2: Equations And Inequalities

Section2.3: Models And Applications

Problem 4SE: If a man sawed a 10-ft board into two sections and one section was nft long, how long would the...

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Question

A heavy rope, 70 ft long and weighing 42 Ibs, hangs over the edge of a building 100 ft high. How much work W is done in pulling the rope up
20 ft?
W =
1280
X ft-lb
Submit Answer

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