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Forces and friction

  1. Sep 9, 2004 #1
    I'm not really sure about how to go about this problem. It says:

    After every full moon, Mr. Sowell likes to slide around the hallways on freshly waxed floors in his socks. If the U* between the socks and the floor is 0.120 and amount of force required to move him 102 N, what was his mass in kg.

    If i just knew which formula to use, and what each thing stood for i'm pretty sure i'd be able to solve this. the U* that i wrote is the funny looking greek U calle mue or whatever. Please help me someone!!!
  2. jcsd
  3. Sep 9, 2004 #2

    Doc Al

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    Staff: Mentor

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