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A 62 kg hiker climbs to the top of a 3700 m-high mountain. The climb is made in 5.0 h starting at an elevation of 2600 m. Calculate the average power output in watts. Calculate the average power output in horsepower.

  • phsycis - ,

    First you need to calculate the PE needed to make the climb.
    U=mgh U=(62*(2600-3700)*9.8)
    This value is energy or work denoted as a Joule. A Watt= Joule/Seconds
    So simply take your joules and divide it by the time the trip took. Convert your 5hr to seconds so...


    easy way to find HP is 1W=0.00134102209HP or


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