3. A 500-kg elevator is descending with a speed of 4.0 m/s when the winch system that lowers it begin to slip allowing it to fall with constant acceleration of a = g/5. (a) During its fall through a distance d = 12 m, what is the work W, done on the cab by the elevator cable? (b) During the fall, what is the upward pulIT by the elevator cable?
3. A 500-kg elevator is descending with a speed of 4.0 m/s when the winch system that lowers it begin to slip allowing it to fall with constant acceleration of a = g/5. (a) During its fall through a distance d = 12 m, what is the work W, done on the cab by the elevator cable? (b) During the fall, what is the upward pulIT by the elevator cable?
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 52A
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