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A fish maintains its depth in seawater by adjusting the air content of porous bone or air sacs to make its average density the same as that of the water. Suppose that with its air sacs collapsed a fish has a density of 1.08 g/cm 3 . To what fraction of its expanded body volume must the fish inflate the air sacs to reduce its average density to that of the water? Assume that the air density is 0.00121 g/cm 3 .

A fish maintains its depth in seawater by adjusting the air content of porous bone or air sacs to make its average density the same as that of the water. Suppose that with its air sacs collapsed a fish has a density of 1.08 g/cm3. To what fraction of its expanded body volume must the fish inflate the air sacs to reduce its average density to that of the water? Assume that the air density is 0.00121 g/cm3.

Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
8 years ago
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