A stone is dropped into a deep well and is heard to hit the water 3.41 s after being dropped. Determine the depth of the well.

Question

A stone is dropped into a deep well and is heard to hit the water 3.41 s after being dropped. Determine the depth of the well.

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niczorrrr 3 years 2021-07-25T22:16:45+00:00 1 Answers 123 views 0

Answers ( )

  1. Giakhanh
    0
    2021-07-25T22:18:13+00:00
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    Answer:

    57.0 m

    Explanation:

    Assume the time it takes for the sound to reach the top of the well is negligible.

    Given:

    v₀ = 0 m/s

    a = 9.8 m/s²

    t = 3.41 s

    Find: Δy

    Δy = v₀ t + ½ at²

    Δy = (0 m/s) (3.41 s) + ½ (9.8 m/s²) (3.41 s)²

    Δy = 57.0 m

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