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Learn about light and the electromagnetic spectrum, including wave properties, interactions, and applications.
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Kinetic energy is the energy an object possesses due to its motion. Learn about its definition, formula, and examples on Khan Academy.
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Learn about thermal energy, its definition, and how it relates to work and energy on Khan Academy.
可汗学院 - Khan Academy
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2024年10月31日 · How can I print and pass out class code handouts? (in multiple languages)
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