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mcyyan mcyyan
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Posts: 74
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9 years ago
You drop a rock down a well and hear a splash 8 s later. As Charlie Brown would say, the well is "eight seconds deep." But how many meters deep is it, assuming that air resistance is negligible and that the time for sound to travel back up the well is also negligible?
                m
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9 years ago
See if this helps:
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mcyyan Author
wrote...
9 years ago
thank you. it helps.
wrote...
3 years ago
thank you!!
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