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1/20/14

1/20/14. MLK Jr. Holiday. 1/21/14. If 20 joules of energy is available at point A, how much energy is available at point C? 20 5 0. At which position is kinetic energy the greatest and potential energy the lowest? A B C. An efficient light bulb is likely to produce the

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1/20/14

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  1. 1/20/14 MLK Jr. Holiday

  2. 1/21/14 • If 20 joules of energy is available at point A, how much energy is available at point C? • 20 • 5 • 0 At which position is kinetic energy the greatest and potential energy the lowest? A B C

  3. An efficient light bulb is likely to produce the A least amount of heat. B least amount of light. C most amount of energy. D most amount of waste energy. 1/22/14 The flowchart above shows energy conversions in a typical gas-powered car engine. What should appear in the box marked X? A chemical energy B electrical energy C mechanical energy D thermal energy

  4. In which device is heat released but the heat is not used for any specific purpose? A cell phone B coffee maker C curling iron D electrical oven 1/23/14 • What type of energy transformation occurs when you ring a doorbell? • A Electricity to sound B Sound to electricity • C Light to sound D Sound to light

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