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Homework Help: Newton's 3rd law- inclined plane

  1. May 20, 2009 #1
    1. The problem statement, all variables and given/known data

    Two packages at UPS start sliding down the 18° ramp. Package A has a mass of 5.26 kg and a coefficient of friction of 0.22. Package B has a mass of 11.67 kg and a coefficient of friction of 0.15. How long does it take package A to reach the bottom? (s=2.1 m)

    2. Relevant equations

    Any ideas of how to start this problem?

    3. The attempt at a solution
  2. jcsd
  3. May 20, 2009 #2


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    How would you think to start the problem?
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