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OpenStudy (anonymous):
A blue whale makes a call underwater at the same time as an elephant calls on land. How long will it take each of these sounds to travel 3 km?
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OpenStudy (anonymous):
roughly 8.82, 3000m/ 340.29ms=###### you cant get the exact answer since it doesn't tell you how much of the distance is land and how much is air.
OpenStudy (anonymous):
oh ok
OpenStudy (aaronq):
the speed of sound in air 343 m/s and in sea water 1522 m/s
OpenStudy (aaronq):
so 8.74 s and 1.97 s
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