3.7.1 - Efficiency of Heat Engines
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Practice Questions
Test your understanding with targeted questions
What is a heat engine?
💡 Hint: Think about energy transformation.
Explain efficiency in the context of heat engines.
💡 Hint: Consider how much work is created from the heat used.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for efficiency in heat engines?
💡 Hint: Remember how we defined efficiency.
Heat always moves from hot to cold objects?
💡 Hint: Think about natural energy flows.
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Challenge Problems
Push your limits with advanced challenges
A heat engine absorbs 3000 J of heat and does 750 J of work. What is its efficiency?
💡 Hint: Use the efficiency formula we studied.
Explain how improving engine efficiency can reduce environmental impact.
💡 Hint: Think about the relationship between fuel use and pollution.
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