Question

A stone is dropped into a deep well and is heard to hit the water 5 s after being dropped. Determine the depth of the well.

Answer 1

122.5 m

Step-by-step explanation:

From the question given above, the following data were obtained:

Time (t) = 5 s

Depth (h) =?

The depth of the well can be obtained as:

NOTE: Acceleration due to gravity (g) = 9.8 m/s²

h = ½gt²

h = ½ × 9.8 × 5²

h = 4.9 × 25

h = 122.5 m

Thus, the depth of the well is 122.5 m