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Average Speed

  1. Sep 7, 2008 #1
    1. The problem statement, all variables and given/known data
    You walk for 1 min. at a speed of 1.5 m/s and then for 1 min at 4 m/s in a straight line. What is your average speed?

    3. The attempt at a solution

    (1.5 m/s + 4 m/s) / 2= 2.75 m/s

    Am I right? This is a very simple problem but I just want to double check myself.
  2. jcsd
  3. Sep 7, 2008 #2
    You would have to convert the minutes to seconds, so convert the 2 minutes into seconds and you get 120 seconds.

    Then you divide 5.5m/s by 120 s and get 0.0459 m/s
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