Jorge wants to lift a large box of mass 50 kg from the floor to his apartment, which is at a height of 20 m. a) Determine the minimum work Jorge must do to lift the box. b) Determine Jorge's minimum mean power if he takes 5 minutes to raise the box.
Jorge wants to lift a large box of mass 50 kg from the floor to his apartment, which is at a height of 20 m. a) Determine the minimum work Jorge must do to lift the box. b) Determine Jorge's minimum mean power if he takes 5 minutes to raise the box.
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 45A
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Jorge wants to lift a large box of mass 50 kg from the floor to his apartment, which is at a height of 20 m.
a) Determine the minimum work Jorge must do to lift the box.
b) Determine Jorge's minimum mean power if he takes 5 minutes to raise the box.
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