How deep is that cave?!
How deep is that cave?!
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10 评论
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My napkin math says around 1000 meters. If the rock falls for 14-15 seconds and takes 3 seconds to echo up the chamber that's about 1000 meters either way terminal velocity and speed of sound.
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Nerdier math puts the 14 second total time as 12s falling and 2s sound returning, for a depth of 700m. Your napkin was fairly close!
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Thank you!
Edit: the other acceptable answer is “deep af.” But I appreciate that you took it seriously and shared.
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So you're saying that you'd have enough time to sing the opening theme song to Adventure Time as you fell to your death in pitch blackness.
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whips out keyboard
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10 评论