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18 February, 12:07

Sarah the cheetah ran 100 meters at a speed of 16.8 meters per second. An olympian ran the 100-meter dash in 9.6 seconds. How much faster was Sarah the cheetah's speed, to the nearest tenth of a meter per second? 0.9 meters per second 1.6 meters per second 6.4 meters per second 10.4 meters per second

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  1. 18 February, 12:23
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    First let us calculate for the speed of the Olympian runner by taking the ratio of distance over time.

    Olympian speed = 100 m / 9.6 s

    Olympian speed = 10.4 m/s

    Therefore the difference in speed is:

    16.8 m/s - 10.4 m/s = 6.4 meters per second
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