An object is initially moving at an unknown velocity. It accelerates at a rate of 2.0 m/s2 to a new velocity of 45 m/s in 10s. What was the

Question

An object is initially moving at an unknown velocity. It accelerates at a rate of 2.0 m/s2 to a new velocity of 45 m/s in 10s. What was the initial velocity?

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Minh Khuê 6 months 2021-07-23T14:02:37+00:00 1 Answers 33 views 0

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  1. thucuc
    0
    2021-07-23T14:04:05+00:00
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    Answer:

    Initial velocity=25m/s

    Explanation:

    acceleration(a)=2m/s^2

    Final velocity(v)=45m/s

    Time(t)=10seconds

    Initial velocity(u)=?

    V=u+axt

    45=u+2×10

    45=u+20

    u=45-20

    u=25m/s

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