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Homework Help: Help in work !

  1. Feb 1, 2008 #1
    Help in work URGENT!

    A 2.6−kW toaster takes roughly 4 minutes to heat four slices of bread. Find the cost of operating the toaster once per day for 1 month (30 days). Assume energy costs 11 cents/kWh.

    so we can find work done by integrating..thts all i knoe..and then we multiply by 30 and by 11..seem rite..??..the thing is im not gettin the rite answer..
  2. jcsd
  3. Feb 1, 2008 #2


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    make sure your units are correct...are you converting minutes to hours? What formula are you using for work?
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