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18 May, 15:32

An object initially at rest experiences an acceleration of 9.8m/s2. How much time will it take it to achieve a velocity of 49m/s?

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  1. 18 May, 19:03
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    Answer:5seconds

    Explanation:

    initial velocity (u) = 0

    Final velocity (v) = 49m/s

    acceleration (a) = 9.8m/s2

    Time (t) = ?

    V=u+axt

    49=0+9.8xt

    49=9.8t

    t=49/9.8

    t=5seconds
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