Practice - Power (P): The Rate of Doing Work
Practice Questions
Test your understanding with targeted questions
What is power in physics?
💡 Hint: Think about how quickly work happens.
What is the formula for calculating power?
💡 Hint: Consider what W and t represent.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does power measure?
💡 Hint: Consider what happens when work is done quickly.
True or False: One Watt is equal to doing one Joule of work every two seconds.
💡 Hint: Think about the time frame in the definition.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A cyclist does 250 Joules of work in 2 minutes. Calculate the power output in Watts.
💡 Hint: Ensure you convert time into seconds.
In a factory, a machine does 5000 Joules of work in 15 seconds. Determine its power rating and discuss how it compares to another machine that does the same work in 10 seconds.
💡 Hint: Compare the two power outputs clearly.
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Reference links
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