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14 votes
14 votes
You are walking through the woods and cone acroos an old well thats 15 meters deep if the speed of sound and air is 340 m/s then how long would it take to hear echo

User Stephen Lombardo
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1 Answer

11 votes
11 votes

Answer:

.0882 s

Step-by-step explanation:

Sound has to travel to the bottom (15 m) then back up (15m ) to hear the echo

(15 + 15 m) / 340 m/s = .0882 s

User Kevin Stone
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