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How can submarines float and sink?

In: Submarines [Edit categories]

Answer:

Submarines change their depth by use of ballast tanks. To dive, they open their tanks so that they become filled with water. They also angle their dive planes. To surface, they pump the water out of their tanks and fill them with pressurised air.

First answer by Monkeytypist. Last edit by ID1659809921. Question popularity: 9 [recommend question].

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Relevant answers:

Does a submarine sink or float?
both. they are able to control it
How does a submarine works that floats then sinks and then again floats?
A submarine sinks as it fills its' ballast tanks with water. Then it uses pressurized air to empty them and float again.
What is something that will sink float sink or float sink float?
sponge
Why does a submarine sink and float?
A submarine has two main mechanisms that allow it to sink and return to the surface. The submarine has dive tanks that can be filled with water to make the ship's weight the same as the water it...
How do submarines float and then sink?
The majority if a submarine is not the space where the crew lives, but large tanks called ballast tanks. When the submarine wants to sink, water is pumped into the ballasts and the submarines average...

How can submarines float and sink?

Can you answer these Submarines questions?

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