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2 December, 04:59

A 975 kg drag race car accelerates from rest to 110 km/h in 1.03 s. What change in momentum does the force produce? Answer in units of kg · m/s

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  1. 2 December, 06:14
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    M = 29786.25 kg * m / s

    Explanation:

    Given

    m = 975 kg

    v = 110 km / h

    t = 1.03 s

    Solve v

    v = 110 km / h * (1000 m / 1 km) * (1 h / 3600 s)

    v = 30.55 m / s

    x = v * t = 30.55 m / s * 1.03 s

    x = 31.47 m

    M = m * v

    M = 975 kg * 30.55 m/s

    M = 29786.25 kg * m / s
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