Suppose a 100-foot-long cable is dangling from the roof over the edge of a tall building. Each 1 footsegment of the cable weighs 2 pounds. Calculate the amount of work done when reeling in the first 30 feet ofthe cable. You do not have to simplify your final answer.

We will find work done to lift a horizontal slice and then will integrate it to find total work done…

Answered: Suppose a 100-foot-long cable is…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Suppose a 100-foot-long cable is dangling from the roof over the edge of a tall building. Each 1 foot segment of the cable weighs 2 pounds. Calculate the amount of work done when reeling in the first 30 feet of the cable. You do not have to simplify your final answer.