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28 February, 14:31

An automobile accelerates at 4 m/s^2 from 20 m/s to 36 m/s. How long did that acceleration take

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  1. 28 February, 14:32
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    Answer; 4s

    A = 4m/s^2 u=20m/s v=36m/s

    Using Eq

    V=U+at

    36=20+4t

    -20 - 20

    16=4t

    4 4

    Value of t comes out to be 4s
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