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Conservation of energy
Revision, flashcards and exam practice for Conservation of energy.
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14 objective pages available
Understanding Gravitational Potential Energy Change0 objectives
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Kinetic Energy of Moving Objects0 objectives
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Representing Energy Transfers0 objectives
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Conservation of Energy Principle0 objectives
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Energy Changes in Systems0 objectives
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Energy Conservation in Closed Systems0 objectives
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Energy Dissipation in Mechanical Processes0 objectives
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Energy Dissipation and Less Useful Stores0 objectives
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Reducing Unwanted Energy Transfers0 objectives
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Thermal Properties of Building Walls0 objectives
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Understanding Efficiency in Energy Transfer0 objectives
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Increasing Efficiency in Systems0 objectives
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Earth's Energy Sources and Their Use0 objectives
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Patterns and Trends in Energy Resource Use0 objectives
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- An electric fan converts electrical energy into kinetic energy (moving air) and thermal energy (warming of the motor). Which energy transfer chain correctly represents this process?
- In a light bulb, 100 J of electrical energy is supplied. It produces 10 J of light energy and 90 J of thermal energy. How would this be represented in a Sankey diagram?
- When a ball falls from a height, its gravitational potential energy is converted into primarily what other form of energy just before it hits the ground?
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