Practice - Law of Conservation of Energy
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Practice Questions
Test your understanding with targeted questions
What does the Law of Conservation of Energy state?
💡 Hint: Remember the key idea that energy is constant.
Give one example of potential energy.
💡 Hint: Think about height and position.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main idea of the Law of Conservation of Energy?
💡 Hint: Focus on energy changes.
True or False: In a closed system, energy can freely enter or leave.
💡 Hint: Consider the definition of a closed system.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A car travels at a speed of 30 m/s and has a mass of 1,500 kg. Calculate its kinetic energy and discuss how this energy changes when it hits a hill and comes to a stop.
💡 Hint: Use the kinetic energy formula for calculations.
An ideal closed system runs a chemical reaction that releases 200 J of energy, which is absorbed by a surrounding system. What does this imply about energy conservation in the original system?
💡 Hint: Think about how energy shifts during reactions.
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Reference links
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