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Please check my answers - basic physics homework

  1. Feb 24, 2012 #1
    1. The problem statement, all variables and given/known data
    questions


    2. Relevant equations
    F=ma
    the one-dimensional motion equations


    3. The attempt at a solution

    problem 1
    problem 2
    problem 3
    problem 4

    Please see the attached images. I'm quite unsure of these answers. Two-dimensional motion was very easy, but as soon as we hit Newton's laws I hit a snag for some reason and I'm not sure why. Thanks!
     
  2. jcsd
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