If a car has an initial velocity of 20 m/s and accelerates at 2.0 m/s2 for 100 m, what is its final velocity?

Question

If a car has an initial velocity of 20 m/s and accelerates at 2.0 m/s2 for 100 m, what is its final velocity?

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Thiên Hương 7 months 2021-07-15T23:16:07+00:00 1 Answers 0 views 0

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    2021-07-15T23:17:44+00:00

    Answer:

    28.28 ms-1

    Explanation:

    v² = u² + 2as

    v² = 20² + 2×2×100

    v²= 800

    v = 28.28 ms-1

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