1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

1d Kinematics, missing something.

  1. Oct 7, 2006 #1
    A person who walks for exercise produces the position-time graph given with this problem.


    (b) Calculate the average velocity for each segment to verify your answers to part (a).

    B is obviously 0

    For A I did .20 of an hour is 300 seconds.
    And 1km = 1000m

    So 1000/300 =3.33 and that is wrong..

    What am I doing wrong here I used:
    [tex]v_{ave} = \Delta x / \Delta t[/tex]
  2. jcsd
  3. Oct 7, 2006 #2


    User Avatar
    Homework Helper

    The expression for average velocity is correct, but you calculated the time wrong. 1 hour equals 3600 seconds. So, 0.2 hours equals 720 seconds.
  4. Oct 7, 2006 #3
    Ah, thank you.

    I corrected my mistake and fixed my answers and they're correct.
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Similar Discussions: 1d Kinematics, missing something.
  1. Missing something (Replies: 1)

  2. 1D Kinematics (Replies: 5)

  3. 1D kinematics (Replies: 2)

  4. Kinematics in 1D (Replies: 2)

  5. 1D Kinematics (Replies: 10)