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If Your Ship Is Out in the Middle of the North

Question 9

Multiple Choice

If your ship is out in the middle of the North Pacific Ocean on the edge of the abyssal plain south of the Aleutian trench, how deep is the seabed if it took 6 seconds to get a bottom return from your 3500 kilohertz echo sounder? Use the equation: depth (m) = 0.5 * (1500 m/s * total 2-way travel time in sec)


A) 4500 metres
B) 1286 metres
C) 2625 metres
D) 6000 metres

Correct Answer:

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