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Welcome to Physics 112N
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Welcome to Physics 112N Professor Charles E. Hyde-Wright Spring 2005 Navigate from http:www.physics.odu.edu, or http:www.physics.odu.edu/hyde/Teaching/Spring05/Phys112_2005.htm Topics to be covered Electricity and Magnetism (Chapters 19-24) Light and Optics (Chapters 25, 26, 28) Modern Physics (Chapter 30)
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High School
-Science
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By
Michel Joseph
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Tags: Welcome Physics 112N , Professor Charles E. Hyde-Wright , Spring 2005 , Navigate http , www.physics.odu.edu , or , http , www.physics.odu.edu/hyde/Teaching/Spring05/Phys112_2005.htm , Topics covered , Electricity and Magnetism (Chapters 19-24) , Light and Optics (Chapters 25 , 26 , 28) , Modern Physics (Chapter 30) , Gravity , Structure Atom , Walker Problem , Gauss’s Law
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Conservation of Energy
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Conservation of Energy “Location” of energy The “paper trail” of energy transactions Conservation of energy equation Name a thing in real life that is made of pure energy. Common Answers Lightning, Electricity, Sparks Moving electrons, changing energy levels, giving off light. Rainbows Light shining through water mist. Magnetic fields Not a thing. Not made of anything. Nothing can be made of magnetic fields. Fire Vaporized hydrocarbons giving off light Force Fields Not real Lasers Light Light Particles called photons that carry the energy. Nothing can be made of light. Light comes from the movement of charged matter. Point: Energy doesn’t exist by itself. There has to be something there to have the energy.
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High School
-Science
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By
Irvin Harley
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Tags: Conservation Energy
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