physics

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A cara accelerates uniformly from rest to a speed of 21.9 km/h in 8.5 s. Find the distance it travels during this time.

  • physics -

    because it starts from rest and accelerates uniformly, the average velocity is 1/2 the final velocity

    convert the km/h into m/s [multiply by 1000/3600]

    the distance is the average velocity, multiplied by the time (8.5 s)

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