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12 May, 03:15

A truck at rest at a stoplight accelerates uniformly with acceleration a = 3.8 meters/second2 for 8.5 seconds after the light turns green. What is the speed of the truck in meters/second after that time interval?

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  1. 12 May, 03:32
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    32.3 m/s

    Explanation:

    final speed = initial speed + acceleration x time interval

    v = vi + a x t

    where your initial speed is 0 because the truck is resting

    a=3.8 m/s2 and t=8.5 s
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