At a height of 10 meters above thesurface of a freshwater lake, a sound pulse is generated. The echofrom the bottom of the lake returns to the point of origin0.150 s later. The air and watertemperatures are 20°C. How deep is the lake?
I can't seem to wrap my mind around how to answer thequestion! This is my last problem to solve and i needhelp!
I think you need these.
Air (20*C) = 343 m/s
fresh water (20*C) = 1482


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