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Homework Help: Power motor physics help

  1. May 18, 2010 #1
    1. The problem statement, all variables and given/known data

    the motors of two vacum cleaners have net power outputs of 1.275hp and 0.875hp.(a)how much work in kJ can each motordo in 5.00?(b)how long does it take for each motor to do 115,000kJ of work

    2. Relevant equations

    P=w over t

    3. The attempt at a solution
    no idea..
  2. jcsd
  3. May 18, 2010 #2
    Re: power

    Well how does energy relate to power? Also part (a) mentions 5.00 with no units.
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