anonymous
  • anonymous
At $0.095/kWh, what does it cost to leave a 25W porch light on day and night for a year?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
if you are charged $0.095 for each kW for each hour, you would be charged $0.095*25 = $2.375 for each hour your porch light is on... multiply that for the toatl hours in a year!
radar
  • radar
Please note that 25 watts = .025 kw, consider that in your solution.
anonymous
  • anonymous
as @radar said, i made a mistake, you will be charged $0.095*0.025=$0.002375 for each hour your porch light is on.

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