Practice - Power: The Rate of Energy Transfer
Practice Questions
Test your understanding with targeted questions
What is the definition of power in physics?
💡 Hint: Think about speed in terms of work.
Convert 2000 watts to kilowatts.
💡 Hint: Remember that 1 kW equals 1000 watts.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is power in physics?
💡 Hint: Consider the speed of doing work.
One watt is equal to how many joules per second?
💡 Hint: Think about the basic relationship in watts.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A solar panel has a power rating of 250 W. If it operates for 5 hours, how much energy in kWh will it generate?
💡 Hint: Convert hours into the relevant energy unit for electricity.
A tractor with 80 hp works for 3 hours. Calculate the work done in joules.
💡 Hint: Start by converting horsepower to watts first.
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Reference links
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