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briannahernand2
23.11.2019 •
Physics
When a fish expands its air bladder, the density of the fish
decreases.increases. remains the same.none of the above
Solved
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Ответ:
Every substance, body or material has mass and volume, however the mass of different substances occupy different volumes.
This is where density
appears as a physical characteristic property of matter that establishes a relationship between the mass
of a body or substance and the volume
it occupies.
So, according to this equation, the density is inversely ptoportional to the volume:
If the volume increases, the density decreases.
This is what a fish does to have buoyancy, since the density of a body is related to its buoyancy:
A body will float on another fluid if its density is lower.
This is what the fish does when it expands its air bladder, incrementing its volume, hence decreasing its density.Ответ:
x=9 y=1
Step-by-step explanation: