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The main method is through listening using passive Sonar. Active sonar sends out a sound signal that can be used to bounce off the enemy. It may also give away their own position.

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Can a submarine go under the US?

Submarines can operate under water, but not under land. The US is a nation on land, and submarines cannot operate under it.


The reason submarines can detect other underwater objects is largely due to what?

Submarines use sonar to detect other things in the water. Sonar is an acronym for sound navigation and ranging, but there is a bit more to this. Submarines use what is called active sonar and passive sonar. We need to look at it in a bit of detail to see what's up.Contemporary submarines have a active sonar system aboard. This system emits "pings" into the water, and the pings are bursts of sound energy. The sound energy propagates through the water, bounces off things around the submarine, and then returns to the submarine to be picked up and listened to. By "pinging" on things, the submarine can develop a profile of sorts of things around it. The bottom is down there, and there's another submarine over there. Something like that. But active sonar means you can be heard a long way away. Farther away than you can effectively "see" other submarines with that active sonar. Other submarines can "hear you coming" because you are pinging, and can do this before you can hear then with the returned pings. That's bad for the submarine using active sonar.Modern military submarines operate in water that is fairly deep. This means that the submarines don't generally have to worry about hitting anything under the water. As they on patrol, they are listening for other things in the water using their passive sonar array. This array uses the hydrophones to listen to the sounds in the water. These sounds are being made by other ships, other submarines, schools of fish, whales, or whatever else is making "noise" in the water. This is the primary method used by the current military submarines to locate and track other things in the water with them.


What is sonar technology used for?

It is used for detecting submarines under water.


How do submarines see under water?

they use a light built into their models.


Are submarines automobiles?

No, an automobile is a vehicle that travels on land not under the water.


What are under water bombs called?

Under water bombs are called naval mines. Under water bombs are used to destroy surface ships or submarines.


Why is water a good medium for communication between dolphins?

Sound waves travel very well in water. Warships, including submarines, use passive sonar to listen for enemy ships and submarines. Passive sonar employes underwater hydrophones to listen for sounds. They can detect sounds of ships and submarines miles away. Marine mamals such as whales and dolphins detect sound in much the same way.


Why does submarines have to go under water?

Submarines are built with a special design that allows them to be faster underwater. Submarines can be used during a war as a way to sneak up to enemy lines in the water, but still stay hidden.


Do submarines explore the atmosphere?

No submarines do not explore the atmosphere. atmosphere means air. Sub means under, Marine means water.


What do scientists research on submarines?

The sea floor, under water mountains, sea life, under water lava flows, etc.


What are the positive effects of submarines?

Civilian-Under water research. Military-Stealth


What is a submarine detection system?

a system that detects submarines (under water boats) a sonar