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Basic Basic problems

  1. Dec 3, 2007 #1
    I'm a physics Newbie, dont going to deny that. =).

    I have two problems that have been giving me headaches and I was wondering if anyone can solve them for me?

    1) When you run you do not keep your legs striaght, but rather bend them. What is the reason?

    2) Assume you are an athelte, and you believe you can tear paper with just one hand? what is the best stragety? list the components of your strategy stated in terms of physics princples. Will there, in theory at least, ever be a set of circumstances in which will not allow you to use one hand without winding up with paper all over the floor? explain.

    thanks to anyone that can help!!
     
  2. jcsd
  3. Dec 3, 2007 #2
    im not that advanced in physics also but

    1) do you know anything about ambiguous triangles? i think this situation is similar.
     
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