Answered: A physics professor tries to barricade…

Name: A physics professor tries to barricade himself in his office by pushin
Uploaded: 2024-03-20T06:57:25.000Z
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Description: A physics professor tries to barricade himself in his office by pushing a 30 kg desk in front of the door. Unfortunately, he failed to realize that the door opens outward. If the professor had pushed down on the desk with a force of 45 N at an angle

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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A physics professor tries to barricade himself in his office by pushing a 30 kg desk in front of the door. Unfortunately, he failed to realize that the door opens outward. If the professor had pushed down on the desk with a force of 45 N at an angle that was 30° with respect to the horizontal, then how much work did he do to move the desk 20 cm?

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