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23 March, 02:48

A car is traveling at a constant velocity of 19 m/s when the driver puts on the brakes to accelerate it at - 1.4 m/s ^ 2 until stopped. How long in s) did it take the car to stop?

answer must be a number only!

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Answers (1)
  1. 23 March, 03:20
    0
    14 s

    Explanation:

    Given:

    v₀ = 19 m/s

    a = - 1.4 m/s²

    v = 0 m/s

    Find: t

    v = at + v₀

    (0 m/s) = (-1.4 m/s²) t + (19 m/s)

    t ≈ 14 s
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