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8 December, 09:29

How much time does it take for a runner moving at a speed of 8.0 meters per second to come to a stop if her

acceleration is - 2.0 m/s?

a. 4.0 5

b. 10 s

C. 16 s

d. 6.05

+4
Answers (1)
  1. 8 December, 09:57
    0
    a. 4.0 s

    Explanation:

    Given:

    v₀ = 8.0 m/s

    v = 0 m/s

    a = - 2.0 m/s²

    Find: t

    v = v₀ + at

    (0 m/s) = (8.0 m/s) + (-2.0 m/s²) t

    t = 4 s
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