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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? a.20 b.5 c.0 At which position.

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Presentation on theme: "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? a.20 b.5 c.0 At which position."— Presentation transcript:

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? a.20 b.5 c.0 At which position is kinetic energy the greatest and potential energy the lowest? ABC

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. 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 1/22/14

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

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