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Phy121 are these answers correct?

  1. Sep 23, 2009 #1
    1. The problem statement, all variables and given/known data
    I have a test in the morning. Here is a link to the website where a practice test is located. http://www.mc.maricopa.edu/~vantassell/PHY121/phy121.html [Broken]. It is on the left under sample test 1.

    2. Relevant equations
    The relevant equations are at the bottom of the test.


    3. The attempt at a solution
    Here are my answers:
    1.D
    2.C
    3.D
    4.A
    5.B
    6.D
    7.D,A,C,F,B,E
    8.E,D,C,A,B,F
    9.Skip
    10.Skip
    Calculations
    1. mag=sqrt(106.9) theta= 228 degrees
    2.91.5 m/s
    3. 29m/s
    4.a.87.5m b.32.5s
    5. no
    6.a 285m b.236.4m c. 9.5 m/s d.-7.9m/s


    I rounded a lot of the answers. If someone has time, could you see if my answers are correct? Thanks

    -Mark
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Sep 23, 2009 #2
    If no one has time for the entire practice exam, maybe someone could check the first 8 multiple choice conceptual questions? That would help a lot.
     
  4. Sep 23, 2009 #3

    D H

    User Avatar
    Staff Emeritus
    Science Advisor

    I, along with many other homework helpers, am not going to open a .doc file from a university website. Repeat those questions for which you are unsure of your answers.

    In general, you are much more likely to get help from people at this site if you
    • Make it easy on us. Put the question in the post. Expecting us to open some potentially virus-infected .doc file just to see the question is not making things easy on us.
    • Show some work.
    • Keep the post limited in scope. Which problems are you specifically having problems solving?
     
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