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21 July, 12:58

The final velocity of car is 20 m/s. The car is accelerating at a rate of 2.5m/s over a 10 seconds period of time. What is the initial velocity of the car?

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  1. 21 July, 13:28
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    -5m/s

    Explanation:

    Since

    acceleration=final velocity-initial velocity/time

    2.5m/s^2=20m/s - initial velocity/10s

    2.5m/s^2*10s = 20m/s - initial velocity

    25m/s=20m/s - initial velocity

    Initial velocity=20m/s-25m/s

    = - 5m/s
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