Question: Many ray-finned fish adjust their buoyancy by changing the volume of gas in a swim bladder located just below their spine. (a) If the volume

Many ray-finned fish adjust their buoyancy by changing the volume of gas in a swim bladder located just below their spine.

(a) If the volume of the fish increases while the mass remains the same, does the buoyant force on the fish increase, decrease, or remain the same?

(b) Calculate the change in the buoyant force on a fish if its volume increases by 11 cm3, assuming it swims in seawater?

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