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20 September, 00:47

a car with an initial velocity of 10ms north was accelerated for 6 second until it ha a final velocity of 25ms north, what is the cars acceleration?

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Answers (2)
  1. 20 September, 00:52
    0
    Answer:a=2.5m/s^2

    Explanation:

    A=v-u/t

    A = 25-10/6

    A = 15/6

    A=2.5m/s^2
  2. 20 September, 00:58
    0
    2 1/2 m/s^2 or 2.5m/s^2

    Explanation:

    From the question

    final velocity v = 25m/s

    Initial velocity u = 10m/s

    time = 6 seconds

    acceleration a = ?

    Using the equation for linear motion

    v = u + at

    25 = 10 + a x 6

    25 = 10 + a6

    Subtract 10 from both sides

    25-10 = 10 + a6 - 10

    25 - 10 = 10 - 10 + a6

    15 = a6

    Divide both sides by 6

    15/6 = a6/6

    5/2 = a

    a = 2 1/2 m/s^2 or 2.5m/s^2
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