2.4 - Power
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Practice Questions
Test your understanding with targeted questions
What is the formula for power?
💡 Hint: Consider the relationship between work and time.
What is 1 watt equivalent to?
💡 Hint: Think about how we measure energy consumption over time.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating power?
💡 Hint: Focus on what power measures.
True or False: Horsepower is greater than a watt.
💡 Hint: Think about common units of measurement.
1 more question available
Challenge Problems
Push your limits with advanced challenges
An electric motor runs at 1500 watts for 2 hours. How much energy does it use in joules?
💡 Hint: Don’t forget to convert hours to seconds.
Two machines perform the same amount of work, but one does it in half the time of the other. If the slower machine has a power of 500 watts, what would be the power of the faster machine?
💡 Hint: Consider how time affects power.
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