If a heat engine's efficiency is 20% and 1.5 million joules of energy are put into it, how much work does it do?

An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter4: Work And Energy
Section: Chapter Questions
Problem 22SA: What do we pay the electric company for, power or energy? In what units?
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If a heat engine's efficiency is 20% and 1.5 million joules of energy are put into it, how much work does it do?

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