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12 July, 09:01

A runner moves west with an initial velocity of 4 m/s. She accelerates 3 m/s2 for 30 seconds. The runner's final velocity is m/s.

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  1. 12 July, 09:27
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    Answer:94m/s

    Step-by-step explanation:

    Using the formula:

    v=u+at

    Where v = final velocity (the unknown)

    u = initial velocity (4m/s)

    a = acceleration (3m/s)

    t = time (30seconds)

    v=4 + (3*30)

    = 4+90

    = 94m/s
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