The velocity of a particle is given by v=25t2 -80t-200, where velocity is meter per second and time is seconds. Determine the velocity for t

Question

The velocity of a particle is given by v=25t2 -80t-200, where velocity is meter per second and time is seconds. Determine the velocity for the first six seconds when acceleration is zero.

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Minh Khuê 3 years 2021-08-02T08:04:48+00:00 1 Answers 466 views 0

Answers ( )

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    2021-08-02T08:06:25+00:00

    Answer:

     v = 220 m / s

    Explanation:

    This is a kinematics exercise, the expression for velocity is

              v = 25 t² – 80 t – 200

    asks the velocity for time t = 6 s.

    let’s calculate

            v = 25 6² – 80 6 – 200

            v = 220 m / s

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