At a height of ten meters above the surface of a freshwater
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 0.117 s later. The air and water temperatures are 20 oC. How deep is the lake?
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At a height of ten meters above the surface of a freshwater lake, a sound pulse is generated. How deep is the lake
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A hunter is standing on flat ground between two vertical cliffs that are directly opposite one another. find the distance (in m) between the cliffs
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