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5 November, 04:10

A 120kg defensive lineman tackles a stationary quarterback at 6.5 m/s it takes. 25 seconds for the lineman to completely stop what is the magnitude of force exerted on the lineman during the collision

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  1. 5 November, 06:49
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    F = - 3120 N

    Explanation:

    Lets write out everything we have:

    Lineman:

    m = 120kg

    V1 = 6.5m/s

    v2 = 0

    t = 0.25

    We should find acceleration, to move on to the next step;

    a = v2-v1 / t

    a = 0 - 6.5 / 0.25

    a = - 26m/s^2

    Now we can use the Fnet formula and solve for F;

    Fnet = ma

    fnet = (120) (-26)

    F = - 3120 N
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