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18 September, 13:11

An suv is traveling at a speed of 18 m/s. If the sub has a mass of 1,550 kg, what force must be applied to stop it in 8 seconds?

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  1. 18 September, 13:34
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    First we have to find for the acceleration with the equation (Vo - V1) / t

    Given: V1 = 18 m/s

    Vo = 0 m/s

    t=8

    (0-18m/s) / 8 = - 2.25m/s^2

    Then we compute for the Force. F=ma

    F=1550*-2.25m/s^2

    F = - 3487.5 N

    Thus, the answer is - 3487.5 N
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