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Horse-Power Developed

  1. Aug 13, 2011 #1
    1. The problem statement, all variables and given/known data

    A motor car of mass 2 tons moves from rest with constant acceleration and acquires a velocity of 30 miles/hr in 30 seconds . Show that the horse-power developed by the engine during that time is 16.43 .

    2. Relevant equations

    Power = Work-done/Time taken

    3. The attempt at a solution

    I just can't get the answer to match . I keep getting values much larger than 16.43 !
  2. jcsd
  3. Aug 13, 2011 #2


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    Show us your calculations, and we can help you.
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