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Introductory Physics Homework Help
A Physics 11 Efficiency/Useful Energy Question
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[QUOTE="jasmine_01, post: 6023291, member: 648092"] [h2]Homework Statement[/h2] What is a situation where the efficiency of a device would change based on a redefinition of what is considered useful energy?[/B][h2]Homework Equations[/h2] What would be considered useful energy? How can the efficiency of a device change?[/B][h2]The Attempt at a Solution[/h2] If heat or sound can be considered as useful energy, the overall percentage of efficiency would improve. For example, the heat of light bulbs could provide warmth as well as light.[/B] [/QUOTE]
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Introductory Physics Homework Help
A Physics 11 Efficiency/Useful Energy Question
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