An object of mass 0.77 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a speed of 16.2 m/s. Find the magnitude (in N

Question

An object of mass 0.77 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a speed of 16.2 m/s. Find the magnitude (in N) of the average force acting on the object during the 2.9 ms time interval. (Enter a number.)

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RobertKer 1 year 2021-09-01T21:25:14+00:00 1 Answers 45 views 0

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  1. thienthi
    0
    2021-09-01T21:26:33+00:00
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    Answer: 4.3KN

    Explanation:f=m(v-u)/t

    m=0.77kg

    t=0.0029s

    s=16.2m/s

    F= 0.77*16.2/0.0029

    F=12.474/0.0029

    F= 4301.38N

    F=4.3KN

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