At a height of ten meters above the surface of a freshwater lake, a sound pulse is
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At a height of ten meters above the surface of a freshwater lake, a sound pulse is generated. The echo from the bottom of the lake returns to the point of origin 0.110 s later. The air and water temperature are 20 °C. How deep is the lake?
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Traveling at a speed v in a material for a time t a sound wave travels a distance x that is given by ...View the full answer
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