5. A heavy rope is 5 m long whose mass is 30 kg, hangs over the edge of a building 10 m high. a. How much work is done in pulling the rope to the top of the building? b. How much work is done in pulling half of the rope to the top of the building?
5. A heavy rope is 5 m long whose mass is 30 kg, hangs over the edge of a building 10 m high. a. How much work is done in pulling the rope to the top of the building? b. How much work is done in pulling half of the rope to the top of the building?
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter10: Work, Energy And Machines
Section: Chapter Questions
Problem 89A
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