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Average Velocity

  1. Sep 23, 2008 #1
    Graph :

    http://img354.imageshack.us/my.php?image=physicslp1.png

    or

    http://www.turboimagehost.com/p/766378/physics.JPG.html

    Questions:

    Determine its average velocity between the following times.

    1. t = 25.0 s and t = 30.0s

    2. t = 35.0 s and t = 50.0 s


    3. The attempt at a solution

    average velocity = overall displacement / overall time

    1. 6m/5 sec = 1. m/s

    2. 10 m / 15 s = 2/3 ms

    My teacher uses on online homework program called Webassign, and both of these showed up as wrong. I don't know why. If anyone could help me that would be awesome.
     
    Last edited: Sep 23, 2008
  2. jcsd
  3. Sep 23, 2008 #2

    LowlyPion

    User Avatar
    Homework Helper

    On the first it looks like 8m not 6m. It will likely not think it's good if off by 10%.

    Check your sign on the second one.
     
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