an airplane starts at rest on a runway. it accelerates at 4.44 m/s^2 and travels 738 m before taking off . how long did it take?

Question

an airplane starts at rest on a runway. it accelerates at 4.44 m/s^2 and travels 738 m before taking off . how long did it take?

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Thành Đạt 3 years 2021-08-18T21:14:33+00:00 1 Answers 16 views 0

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  1. ngochoa
    0
    2021-08-18T21:15:52+00:00
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    Answer:

    18.2 s

    Explanation:

    Given:

    Δx = 738 m

    v₀ = 0 m/s

    a = 4.44 m/s²

    Find: t

    Δx = v₀ t + ½ at²

    738 m = (0 m/s) t + ½ (4.44 m/s²) t²

    t = 18.2 s

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