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16 September, 07:05

A 5000kg car traveling at 40m/s crashes into a wall and comes to a complete stop in 10s. What was the force on the wall? solve step by step and equation to solve

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  1. 16 September, 10:57
    0
    20,000 N

    Explanation:

    First find the acceleration:

    a = Δv / Δt

    a = (0 - 40 m/s) / 10 s

    a = - 4 m/s²

    Next use Newton's second law to find the force on the car:

    F = ma

    F = (5000 kg) (-4 m/s²)

    F = - 20,000 N

    According to Newton's third law, the force on the wall is equal and opposite the force on the car.

    F = 20,000 N
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