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11 January, 14:24

An object is moving at a velocity of 30m/s. It accelerations to a velocity of 55m/s over a time of 12.5 m/s. What acceleration did it experience?

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Answers (2)
  1. 11 January, 17:06
    0
    Acceleration = (change of speed) / (time for the change)

    Change of speed = (speed at the end) - (speed at the beginning)

    Change of speed = (55 m/s) - (30 m/s)

    Change of speed = 25 m/s

    Acceleration = (25 m/s) / (12.5 seconds)

    Acceleration = 2 m/s²
  2. 11 January, 17:23
    0
    Answer:2m/s^2

    Explanation:

    Initial velocity (u) = 30m/s

    Final velocity (v) = 55m/s

    Time (t) = 12.5s

    Acceleration=?

    Acceleration = (v-u) / t

    Acceleration = (55-30) / 12.5

    Acceleration=25/12.5

    Acceleration=2m/s^2
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