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To determine ocean depth using echo-sounding, two key pieces of information are required: the time it takes for a sound pulse to travel from the ship to the ocean floor and back, and the speed of sound in water. By measuring the time it takes for the echo to return, the depth can be calculated using the formula: depth = (time × speed of sound in water) / 2, accounting for the round trip of the sound wave.

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3d ago

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