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29 March, 01:11

A car starting from rest, travels 0.40 km in 11.0 s. What is the

magnitude of its constant acceleration?

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Answers (1)
  1. 29 March, 04:57
    0
    6.61 m/s²

    Explanation:

    Given:

    Δx = 0.40 km = 400 m

    v₀ = 0 m/s

    t = 11.0 s

    Find: a

    Δx = v₀ t + ½ at²

    400 m = (0 m/s) (11.0 s) + ½ a (11.0 s) ²

    a = 6.61 m/s²
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