5.10 - Power
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Practice Questions
Test your understanding with targeted questions
Define power in your own words.
💡 Hint: Think about how quickly work is being done.
What is the SI unit of power?
💡 Hint: Remember, a watt is also related to joules.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the definition of power?
💡 Hint: Think of work done over time.
How many watts are in one horsepower?
💡 Hint: Recall the conversion factor between horsepower and watts.
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Challenge Problems
Push your limits with advanced challenges
A car uses 200 W of power to maintain a steady speed. How much energy does it use in 15 minutes?
💡 Hint: Get the results using the power formula multiplied by time.
If a generator produces power at a rate of 5000 watts and operates for 4 hours, how much energy does it produce in kilowatt-hours?
💡 Hint: Use the conversion from watts to kilowatts in the calculation.
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Reference links
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