If a sonar signal from a boat takes 12 seconds to reach the bottom how deep is the ocean?
The speed of sound in sea water varies as the temperature, salinity and hydrostatic pressure of the water vary. This can lead to variations in calculations of depth even in "simple" cases. Approximately sound travels about 1500 meters per second in seawater. The bottom of the ocean would then be 18,000 meters below, if the signal traveled in 12 seconds.
Answered by T H. -
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