Practice - Units
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Practice Questions
Test your understanding with targeted questions
Define energy in your own words.
💡 Hint: Think about what energy does.
What is the SI unit of energy?
💡 Hint: What unit do we use to measure energy in physics?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the law of conservation of energy?
💡 Hint: Remember the concept of energy forms.
True or False: Kinetic energy is stored energy.
💡 Hint: Think about movement versus position.
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Challenge Problems
Push your limits with advanced challenges
A car accelerates from rest to 60 km/h. Calculate the increase in kinetic energy if its mass is 1,200 kg.
💡 Hint: Convert speed to meters per second before solving.
Discuss the impact of shifting from fossil fuels to solar energy on greenhouse gas emissions.
💡 Hint: Think about how fossil fuels contribute to emissions.
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Reference links
Supplementary resources to enhance your learning experience.