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Homework Help: Work, average rate problem

  1. Dec 7, 2008 #1
    The loaded cab of an elevator has a mass of 3.0 103 kg and moves 165 m up the shaft in 23 s at constant speed. At what average rate does the force from the cable do work on the cab?

    I don't even know where to begin. The answer is in kW
  2. jcsd
  3. Dec 7, 2008 #2
    Employ a formula to calculate power:

    [tex]P = Fv[/tex]
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