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Homework Help: Position-time graph kinematics

  1. Aug 4, 2015 #1
    1. The problem statement, all variables and given/known data
    Calculate the average velocity after 11 s.

    2. Relevant equations

    3. The attempt at a solution
    I need to find the total displacement to find average velocity. I assumed the displacement was -4 as the graph goes up then back down to 0 then -4 so total is just -4. Is that a correct? Thank you!

    Attached Files:

  2. jcsd
  3. Aug 5, 2015 #2
    Yes, based on your graph, the magnitude of the displacement during the 11 sec is ##-4\text{m},## so you can calculate its average velocity and don't forget its direction.
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