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    mahamehdi's Avatar
    mahamehdi Posts: 3, Reputation: 1
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    #1

    Sep 7, 2008, 10:19 PM
    Average speed/average velocity
    A horse canters away from its trainer in a straight line, moving 150 m away in 19.0 s. It then turns abruptly and gallops halfway back in 4.6 s.


    (a) Calculate its average speed.
    m/s


    (b) Calculate its average velocity for the entire trip, using "away from the trainer" as the positive direction.
    m/s
    ISneezeFunny's Avatar
    ISneezeFunny Posts: 4,175, Reputation: 821
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    #2

    Sep 7, 2008, 10:32 PM
    Average speed is the (total distance traveled)/(total time it took)

    Average velocity is (total displacement)/(total time)
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