- Which country has most submarines?
- Can a blue whale sink a cruise ship?
- What is the loudest thing in the world?
- Why do they whisper in submarines?
- Why do submarines look like whales?
- How many submarines are currently in the ocean?
- Can sperm whale sound kill?
- What frequency can kill you?
- Who has the most advanced submarine in the world?
- Can a submarine survive a tsunami?
- Could a human survive inside a whale?
- Can you smoke on a submarine?
- How many submarines does USA have?
- How long can submarines stay under?
- Can you really hear sonar ping?
- Can a submarine ping kill you?
- What is the deadliest submarine?
- What is the most dangerous submarine?
- Do submarines kill whales?
- Which country has the best submarines?
- What is the most powerful submarine in the world?
Which country has most submarines?
Table of countries by submarinesCountryNumberChina76North Korea75USA71Russia5943 more rows.
Can a blue whale sink a cruise ship?
Correspondingly, can a blue whale sink a cruise ship? … A pretty small fishing boat, it could probably damage, or cause to sink if it leapt out the water, and landed on it, but a battleship, ferry, or cruise liner can omit whales from their list of sinking hazards.
What is the loudest thing in the world?
The Krakatoa volcanic eruption: Not only did it cause serious damage to the island, the eruption of Krakatoa in 1883 created the loudest sound ever reported at 180 dB. It was so loud it was heard 3,000 miles (5,000 km) away.
Why do they whisper in submarines?
Silent running is a stealth mode of operation for naval submarines. The aim is to evade discovery by passive sonar by eliminating superfluous noise: nonessential systems are shut down, the crew is urged to rest and refrain from making any unnecessary sound, and speed is greatly reduced to minimize propeller noise.
Why do submarines look like whales?
Most subs have two types of sonar: active and passive. Active sonar sends out acoustic sounds, or “pings,” which can reach thousands of yards. If the ping bounces back, that means it hit an object—like a whale, a ship, or another submarine.
How many submarines are currently in the ocean?
71 submarinesThe graphic depicts the 71 submarines currently on active duty, including Ohio-class ballistic missile submarines, Ohio-class guided missile submarines, and Los Angeles, Sea Wolf, and Virginia-class attack submarines. Here’s a link to a larger version of the graphic.
Can sperm whale sound kill?
Sperm Whales Are So Loud They Could Potentially “Vibrate” You to Death. Sperm whales are so loud that their clicks are capable of killing a human within their vicinity, says one science and adventure journalist. … Sperm whales are the loudest mammals on the planet, with vocalizations reaching an astonishing 230 decibels.
What frequency can kill you?
The most dangerous frequency is at the median alpha-rhythm frequencies of the brain: 7 hz. This is also the resonant frequency of the body’s organs.
Who has the most advanced submarine in the world?
In the slides below, meet the young sailors and new submarine that makes the South Dakota the most modern and fearsome submarine in the world today.The South Dakota is a fast-attack boat. … One weapon makes the South Dakota a force to be reckoned with up to 1,500 miles inland: the Tomahawk.More items…•
Can a submarine survive a tsunami?
Submarines are relatively unaffected by weather or tsunamis when submerged in deep open waters. … However if a submarine has to go shallow or to periscope depth then conditions on the surface become a major concern. Large enough waves can cause a submarine to be pulled (sucked) up to the surface.
Could a human survive inside a whale?
While the veracity of the story is in question, it is physically possible for a sperm whale to swallow a human whole, as they have been known to swallow giant squid whole. However, such a person would drown or suffocate in the whale’s stomach.
Can you smoke on a submarine?
The Navy announced today a ban on smoking aboard submarines while they are deployed below the surface after medical testing showed non-smokers suffered effects of second-hand smoke. … Mark Jones of the Commander Naval Submarine Forces out of Norfolk, Va., said about 40 percent of the submarine sailors are smokers.
How many submarines does USA have?
71 submarinesWith around 71 submarines in active service the US Navy has the biggest fleet in the world. Next-generation submarines are gradually being rolled out to replace the ageing Los Angeles-class fleet and their mission has been extended in response to new undersea challenges.
How long can submarines stay under?
three monthsThe limits on how long they can stay underwater are food and supplies. Submarines generally stock a 90-day supply of food, so they can spend three months underwater. The diesel-powered submarines (not now used by the United States Navy) had a limit of several days submerged.
Can you really hear sonar ping?
In short, yes. Sound propagates very well through the water compared to air. … Hydrophones can help you determine the direction of incoming sonar, and can also help the submarine detect own ship’s sound transients (improperly operating equipment, sailors dropping wrenches in the bilges).
Can a submarine ping kill you?
At 200 Db, the vibrations can rupture your lungs, and above 210 Db, the lethal noise can bore straight through your brain until it hemorrhages that delicate tissue. If you’re not deaf after this devastating sonar blast, you’re dead.
What is the deadliest submarine?
Soviet submarine K-222HistorySoviet UnionClass and type:Papa-class submarineType:Nuclear cruise missile submarineDisplacement:Surfaced: 5,197 long tons (5,280 t) Submerged: 7,000 long tons (7,100 t)18 more rows
What is the most dangerous submarine?
In 2018, the Virginia-class submarine USS John Warner (#8 on the list) launched Tomahawk missiles against chemical weapons facilities in Syria.
Do submarines kill whales?
Unfortunately for many whales, dolphins and other marine life, the use of underwater sonar (short for sound navigation and ranging) can lead to injury and even death. … These sound waves can travel for hundreds of miles under water, and can retain an intensity of 140 decibels as far as 300 miles from their source.
Which country has the best submarines?
Currently top 10 attack submarines in the world are these:Nr.1 Seawolf class (USA) … Nr.2 Virginia class (USA) … Nr.3 Astute class (United Kingdom) … Nr.4 Graney class (Russia) … Nr.5 Sierra II class (Russia) … Nr.6 Improved Los Angeles class (USA) … Nr.7 Akula class (Russia) … Nr.8 Soryu class (Japan)More items…
What is the most powerful submarine in the world?
The Typhoon has a submerged displacement of more than 48,000t and is the world’s biggest submarine class. It is a nuclear-powered submarine equipped with ballistic missiles.