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23 June, 11:28

8. An object accelerates at a rate of - 3.2 m/s2 to a velocity of 5 m/s over a time of 10 s. What was its initial velocity

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  1. 23 June, 13:40
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    Given, a = - 3.2m/s²

    v = 5m/s

    t = 10s

    u = ?

    Using kinematic equation,

    v = u + at

    5 = u - 3.2 * 10

    5 = u - 32

    u = 32 + 5

    u = 37 m/s
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