A stone is dropped from the bridge, it takes 4s to reach the water. what’s the height of the bridge?​

Question

A stone is dropped from the bridge, it takes 4s to reach the water. what’s the height of the bridge?​

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Ngọc Hoa 4 years 2021-08-09T11:38:13+00:00 2 Answers 24 views 0

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    0
    2021-08-09T11:39:26+00:00

    Explanation:

    Using Equations of Motion :

    s = ut +  \frac{1}{2} g {t}^{2}

    Height = 0 * 4 + 4.9 * 16

    Height = 78.4 m

    0
    2021-08-09T11:39:48+00:00

    Is there any other type of information?

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