# Abyss

Stone was pushed into the abyss: 7 seconds after we heard hitting the bottom. How deep is the abyss (neglecting air resistance)?

(gravitational acceleration g = 9.81 m/s

(gravitational acceleration g = 9.81 m/s

^{2}and the speed of sound in air v = 337 m/s)**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

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