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27 August, 04:02

A car is idling at a stoplight. When the light turns green, the car takes 12 seconds to accelerate to 18.7 m/s. What is the average acceleration of the car?

0.64 m/s2

1.6 m/s2

-0.64 m/s2

-1.6 m/s2

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Answers (1)
  1. 27 August, 04:27
    0
    Average acceleration = change in velocity / elapsed time

    = 18.7/12

    Answer = 1.6 m/s2
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