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Name: A chain 63 meters long whose mass is 21 kilograms is hanging over the
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Description: A chain 63 meters long whose mass is 21 kilograms is hanging over the edge of a tall building and does not touch the ground. How much work is required to lift the top 2 meters of the chain to the top of the building? Use that the acceleration due to

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 1CQ

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A chain 63 meters long whose mass is 21 kilograms is hanging over the edge of a tall building and does not touch the ground. How much work is required to lift the top 2 meters of the chain to the top of the building? Use that the acceleration due to gravity is 9.8 meters per second squared. Your answer must include the correct units.

(Don't forget that when you lift the top 2 meters of the cable you are also lifting the bottom 61 meters of the cable, just not all the way to the top).

Work=______________

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