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How can astronomers infer wich elements are found in a star
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Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j
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The energy released by a nuclear fusion reaction is produced when
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What organization and environment is described above?
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How can astronomers infer wich elements are found in a star...
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