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5 February, 17:14

A ball is dropped from rest from a Cliff and falls for 3 seconds.

Neglecting air resistance, the final velocity of the ball is

m/s. (g = - 9.8 m/s2)

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  1. 5 February, 19:29
    0
    -29.4 m/s

    Explanation:

    Given:

    v₀ = 0 m/s

    t = 3 s

    a = - 9.8 m/s²

    Find: v

    v = at + v₀

    v = (-9.8 m/s²) (3 s) + (0 m/s)

    v = - 29.4 m/s
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