2. Andy is accelerating at 2 m/s?. If he started from a stand still and he has been accelerating for 5 seconds, what is his current ve

Question

2. Andy is accelerating at 2 m/s?. If he started from a stand still and he has been
accelerating for 5 seconds, what is his current velocity?

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RobertKer 7 months 2021-07-27T08:16:12+00:00 1 Answers 4 views 0

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    2021-07-27T08:17:28+00:00

    Answer:

     \boxed{\sf Current \ velocity \ (v) = 10 \ m/s}

    Given:

    Initial velocity (u) = 0 m/s (Started from a stand still)

    Acceleration (a) = 2 m/s²

    Time taken (t) = 5 seconds

    To Find:

    Current velocity (v)

    Explanation:

    From equation of motion we have:

     \boxed{ \bold{v = u + at}}

    By substituting value of u, a & t in the equation we get:

     \sf \implies v = 0 + 2 \times 5 \\  \\  \sf \implies v = 2 \times 5 \\  \\  \sf \implies v = 10 \: m {s}^{ - 1}

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