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A stone is dropped from rest at the top of a mine shaft. it takes 15 s for a stone to fall to the bottom of a mine shaft. how deep is the shaft?
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2 votes
A stone is dropped from rest at the top of a mine shaft. it takes 15 s for a stone to fall to the bottom of a mine shaft. how deep is the shaft?

User Lemonmojo
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7.3k points

2 Answers

4 votes
The shaft is 73.5 m
User Redgeoff
by
8.3k points
7 votes
S= 1/2at +ut
u=0m/s
=1/2×9.8×15
=73.5m
User Lewix
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7.0k points
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