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15 January, 10:02

Find the acceleration of a train whose speed increases from 7m/s to 17 m/s in 120s

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  1. 15 January, 10:39
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    Initial speed of the train = 7 m/s

    Final speed of the train = 17 m/s

    Change of speed of the train = (17 - 7) m/s

    = 10 m/s

    Time taken for the change of the speed of the train = 120 s

    Then

    Acceleration of the train = Change of speed of the train/Time taken for the change of speed

    = 10/120 m/s^2

    = 1/12 m/s^2

    = 0.083 m/s^2

    So the acceleration of the train is 1/12 meter per second square or 0.083 m/s^2. I hope this is the answer you were looking for.
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