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2nd question: give an example of a process with negative work why is work negative in your example?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter4: The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 2CQ: Explain in practical terms why efficiency is defined as

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2nd question: give an example of a process with negative work why is work negative in your example?

determine each term of
the energy balance
equation
AU=Q-W

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