A vehicle starts from rest with a uniform acceleration of 2m/s2.Find the final velocity of the vehicle after covering a distance of 400m​

Question

A vehicle starts from rest with a uniform acceleration of 2m/s2.Find the final velocity of the vehicle after covering a distance of 400m​

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Thiên Di 5 years 2021-07-13T08:09:59+00:00 1 Answers 3 views 0

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  1. thucuc
    0
    2021-07-13T08:11:02+00:00
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    Answer:

    40

    Explanation:

    vi=0

    a=2

    vf=?

    d=400

    vf^2=vi^2+2ad

    vf^2=0+2×2×400=1600

    vf=√1600=40m/s

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )