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21 July, 19:49

n outer space, a constant net force with a magnitude of 140 N is exerted on a 32.5 kg probe initially at rest. A) What acceleration do es this force produce? B) How far does the probe travel in 10 s?

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  1. 21 July, 19:58
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    a) 4.31 m/s²

    b) 215.5 m

    Explanation:

    a) According to Newton's first law of motion

    The net force applied to particular mass produced acceleration, a, according to

    F = ma

    F = 140 N

    m = 32.5 kg

    a = ?

    140 = 32.5 * a

    a = 140/32.5 = 4.31 m/s²

    b) Using the equations of motion, we can obtain the distance travelled by the object in t = 10 s

    u = initial velocity of the probe = 0 m/s (since it was initially at rest)

    a = 4.31 m/s²

    t = 10 s

    s = distance travelled = ?

    s = ut + at²/2

    s = 0 + (4.31*10²) / 2 = 215.5 m
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