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AP Chemistry

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What pressure is a person exerting on the floor if the person weighs 145 lbs and has shoes that contact the floor over a total area of 300. cm^2?

  • AP Chemistry - ,

    Since pressure is measured in force/area, and they have only given you two data, there's not much doubt as to what calculation to make:

    p = 145lb/300cm^2 = 29/60 lb/cm^2

    Now, two questions for you:
    1. How is this chemistry?
    2. What scientist mixes English and metric units?

  • AP Chemistry - ,

    Thank you! This is one of the very introductory chapters. It teaches conversion rates and the difference between English, Metric, and SI Units, which is why there are English and Metric Units. The point is to convert the English units to Metric first.

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