In this section assume the temperature is 20unless directed
In this section assume the temperature is 20unless directed otherwise. A submarine 47 deep emits a sonar (sound) wave. The wave reflects from the bottom and returns to the submarine 0.80 after it was emitted. How deep is the ocean at that point?
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in this section assume the temperature is 20unless directed otherwise a submarine 47 deep emits a sonar sound wave the
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