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  1. S

    Can you help me with a physics problem?

    A 3.46 kg briefcase is sitting at rest on a level floor. a. what is the briefcases acceleration? b. what is its weight in newtons? I got a. 33.9 m/s^2 b. 117.29 N But, I don't think that is right..... Thanks.
  2. S

    In a physics class what are you trying to prove by making a paper roller

    coaster and using a marble to test it? What are you trying to prove, what are you looking for? What does it have to do with physics?? What is a hypothesis for something like this??
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