Snorkelers breathe through short tubular snorkels
Chapter 17, Problem 17.85(choose chapter or problem)
Snorkelers breathe through short tubular snorkels whileswimming under water very near the surface. One end of thesnorkel attaches to the snorkelers mouth while the otherend protrudes above the waters surface. Unfortunately,snorkels cannot support breathing to any great depth: it issaid that a typical snorkeler below a water depth of onlyabout 30 cm cannot draw a breath through a snorkel. Basedon this claim, what is the approximate fractional change in atypical persons lung volume when drawing a breath?Assume, in equilibrium, the air pressure in a snorkelerslungs matches that of the surrounding water pressure.
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