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Pd96 Pd96
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Posts: 1256
7 years ago
A typical incandescent light bulb consumes 75 W of power and has a mass of 30 g. You want to save electrical energy by dropping the bulb from a height great enough so that the kinetic energy of the bulb when it reaches the floor will be the same as the energy it took to keep the bulb on for 1.0 hour. From what height should you drop the bulb, assuming no air resistance and constant g?
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
Read 151 times
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HotMathHotMath
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7 years ago
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Pd96 Author
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7 years ago
You saved my life, thanks
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4 years ago
thanks
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