Many fish maintain buoyancy with a gas-filled swim bladder. The pressure inside the swim bladder is the same as the outside water pressure, so when a fish descends to a greater depth, the gas compresses. Adding gas to restore the original volume requires energy. A fish at a depth where the absolute pressure is 3.0 atm has a swim bladder with the desired volume of 5.0 × 10-4 m3. The fish now descends to a depth where the absolute pressure is 5.0 atm.a. The gas in the swim bladder is always the same temperatureas the fish’s body. What is the volume of the swim bladder at the greater depth?b. The fish remains at the greater depth, slowly adding gas to the swim bladder to return it to its desired volume. How much work is required?

Given: Absolute pressure = 3 atm Desired volume = 5 x 10-4 m3 At the depth, absolute pressure = 5…

Answered: Many fish maintain buoyancy with a…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Many fish maintain buoyancy with a gas-filled swim bladder. The pressure inside the swim bladder is the same as the outside water pressure, so when a fish descends to a greater depth, the gas compresses. Adding gas to restore the original volume requires energy. A fish at a depth where the absolute pressure is 3.0 atm has a swim bladder with the desired volume of 5.0 × 10^-4 m³. The fish now descends to a depth where the absolute pressure is 5.0 atm.
a. The gas in the swim bladder is always the same temperature
as the fish’s body. What is the volume of the swim bladder at the greater depth?
b. The fish remains at the greater depth, slowly adding gas to the swim bladder to return it to its desired volume. How much work is required?

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