pipermae8217 pipermae8217
  • 15-06-2017
  • Physics
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How much does it cost to leave a porch light on all night?

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AL2006
AL2006 AL2006
  • 15-06-2017
Cost = (0.001) x (the wattage of the light) x (the number of hours it's left on) x (the cost of each kilowatt-hour of electrical energy where you live).
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