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Bicycle Problem

  1. Apr 24, 2007 #1
    1. The problem statement, all variables and given/known data
    What power must a man of mass 85kg have to bicycle 850m up a hill, inclined at 5.2 degrees to the horizontal, at a constant speed of 15.6 m/s? The force of friction on the man and the bicycle is 175N parallel to the incline.


    2. Relevant equations
    Fnet=ma
    W=delta E

    3. The attempt at a solution
    I do not know where to start because i do not know the mass of the bicycle.
     
  2. jcsd
  3. Apr 24, 2007 #2
    I think you can neglect the mass of the bicycle. To be on the safe side though, just pick a variable to represent the mass of the bicycle and proceed.
     
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