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31 July, 15:08

Rowdy Ron, a racecar driver with a mass of 70kg, survived a crash at 175km/h. He came at rest ib only 0.027 seconds

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  1. 31 July, 17:37
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    Although the question is missing, with the provided information you can find the impact (impulse), the change of momentum, the force and the acceleration.

    dа ta:

    mass, m = 70 kg

    velocity, v = 175 km/h = 175 km * 1000 m/km * 1 h / 3600 s = 48.61 m/s

    time, t = 0.027 s

    Impact = F * t = m * a * t = m * Δv = change of momentum

    => Impact = change of momentum = 70 kg * 48.61 m/s = 3402.7 N*s

    Force, F:

    Impact = F * t = > F = impact / t = 3402.7 N*s / 0.027 s = 126,025.9 N

    Acceleration, a:

    F = m * a = > a = F / m = 126,025.9 N / 70 kg = 1800 m/s^2
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