An airplane with all engines at full thrust accelerates at 2.5m/s^2. Its minimum take off speed is 75m/s. (a). How much time will the plane

Question

An airplane with all engines at full thrust accelerates at 2.5m/s^2. Its minimum take off speed is 75m/s. (a). How much time will the plane need to reach its take off speed? (b). What minimum length of runway is required for a safe take off?

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Diễm Kiều 5 years 2021-08-23T10:36:00+00:00 1 Answers 126 views 1

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  1. minhkhue
    1
    2021-08-23T10:37:58+00:00
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    Answer:

    t = 30 s

    d = 1125 m

    Explanation:

    t = v/a = 75/2.5 = 30 s

    d = v²/2a = 75²/(2(2.5)) = 1125 m

    or

    d = ½at² = ½(2.5)30² = 1125 m

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