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30 August, 22:11

Bambi is walking along the train tracks when he suddenly notices a fast approaching train and freezes in his tracks like a deer in headlights. IF the 1000kg train collides with Bambi at a speed of 8 m/s, and Bambi, who weighs 75kg, gets stuck to the front of the train, how fast will the train and Bambi continue to move after the collision

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  1. 30 August, 22:37
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    The final speed of the train and Bambi after collision is 7.44 m/s

    Explanation:

    Given;

    mass of the train, m₁ = 1000kg

    mass of Bambi, m₂ = 75kg

    initial speed of the train, u₁ = 8 m/s

    initial speed of Bambi, u₂ = 0 m/s

    If Bambi gets stuck to the front of the train, then the collision is inelastic.

    m₁u₁ + m₂u₂ = v (m₁ + m₂)

    where;

    v is the final speed of the train and Bambi after collision

    Substitute the given values and solve for v

    1000 x 8 + 75 x 0 = v (1000 + 75)

    8000 = v (1075)

    v = 8000/1075

    v = 7.44 m/s

    Therefore, the final speed of the train and Bambi after collision is 7.44 m/s
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