Chemistry, 30.06.2021 14:00 lanaiheart7
A porpoise sends out an ultrasonic burst and hears the echo off his favorite food in 0.13 seconds. How far away is the food source? Assume that sound travels at 1,530 m/sec in water
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A porpoise sends out an ultrasonic burst and hears the echo off his favorite food in 0.13 seconds. H...
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