DWU (Mon,1/28) Don’t do other work during the DWU time !! All retakes and make-ups before or after school only!.
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A deep sea ocean vessel uses SONAR to detect the ocean's bottom. Sound waves are emitted from the surface of the ocean and travel through the water at 1450 m/s. The ocean bottom is 1630 m below the surface. Determine the amount of time that passes before the sound waves are reflected back to the surface.