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OpenStudy (anonymous):
A shout down a well produces an echo in 2.00 seconds. How deep is the surface of the water in the well? Assume the speed of sound to be 343 m/s.
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OpenStudy (cggurumanjunath):
343*2
OpenStudy (cggurumanjunath):
686 m
OpenStudy (anonymous):
speed = distance upon time
OpenStudy (cggurumanjunath):
distance = speed * time
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