A stone is dropped from from rest at the top of a mine shaft. It takes 95 seconds for the stone to fall to the bottom of the mine shaft. How deep is the mine shaft? The acceleration of gravity is 9.8 m/s^2. Answer in units of m

Question

Cale Stafford

Physics

23 October, 20:14

A stone is dropped from from rest at the top of a mine shaft. It takes 95 seconds for the stone to fall to the bottom of the mine shaft. How deep is the mine shaft? The acceleration of gravity is 9.8 m/s^2. Answer in units of m

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Fernando Fleming · Answer 1

Distance of fall from rest,

without air resistance = (1/2) (gravity) (time) ²

= (1/2) (9.8 m/s²) (95 sec) ²

= (4.9 m/s²) (9,025 sec²)

= 44,222.5 meters.

The depth of the mine shaft is five times the height of Mt. Everest!