QA

Question: Can A Craft Go Faster On Water Or Underwater

Is it faster to travel above or below water?

Which is faster? A submarine meets more resistance under-water as opposed to on the surface, as on the surface a small fraction of the hull surface is meeting against air resistance instead of water resistance. This does not, however, mean that a submarine travels faster on the surface.

How fast is the fastest underwater craft?

The Russian rocket-powered supercavitating torpedo VA-111 Shkval is reportedly capable of speed in excess of 200 knots (370 km/h). German press reports of an underwater anti-torpedo missile named Barracuda that allegedly reaches 220 knots (400 km/h).

Can you travel faster underwater?

Chinese researchers say they are developing technology that would allow submarines to travel more than 750 mph. Chinese researchers say they are developing technology that would allow submarines to travel more than 750 mph. That’s faster than commercial aircraft fly, and yes, it is possible.

How fast can an object move under water?

According to wikipedia, the underwater speed record is reported to be around 200 knots or about 230 mph.

Why are submarines slower on the surface?

The modern submarines are designed to operate fully submerged, so they have less drag when submerged than on the surface. The resistance from water is skin drag, and this skin drag does go up as the wetted surface increases when the sub submerges.

How fast can a submarine go on the surface?

There have been reports that these boats can actually get up to around 35 miles per hour underwater. The latest American Virginia-class attack submarines have a publicly stated top submerged speed of around 29 miles per hour, but this is still significantly slower than the Project 661 design.

How fast does a Thrust SSC go?

ThrustSSC is a British-designed and built World Land Speed Record car. ThrustSSC holds the current World Land Speed Record which was set on October 15, 1997, by accomplishing a speed of 763 mph. By doing so, the supersonic car became the first land vehicle to officially break the sound barrier.

Can a submarine outrun a torpedo?

They could dive to at least 2,200 feet, far deeper than any NATO submarine of the time, or today. The speed and diving depth of the Alfa allowed it to evade most contemporary NATO torpedoes, although in combat this would also have made it difficult for the Alfa to move into attack position.

What is the fastest underwater scooter?

Produced by Cayago AG in Stuttgart, Germany, the SEABOB is deemed the world’s fastest underwater scooter. To steer the device, you simply shift your body weight. The higher-end F5 S model weighs 35 kg and boats an impressive propulsive force of 680 newtons.

How do you move faster underwater?

Here are 5 tips to maximize time underwater. Maintain a tight streamline. Swimmers reach maximum speed right at the end of the push-off, before drag starts to take hold. Aim for high push-off strength. Know when to break surface. Be consistent. Have a strong up-kick.

Can you go faster than the speed of sound underwater?

Sound travels faster in water than in air. The speed of sound in air under typical conditions is about 343 meters per second, while the speed of sound in water is about 1,480 meters per second. In a similar way, standard sound is just a compression wave traveling through the atoms and bonds in a material.

What’s the fastest water can travel?

To answer your question – water can travel at the speed of sound – or even faster if carried in a water bottle and in a space shuttle I believe over 18,000 mph is the norm. Faster than custard but slower than farts.

Why is it harder to move underwater?

Water versus air Artwork: Water is much more dense than air (has many more molecules per unit of volume), which is why it’s harder to swim through and why it feels cold, even when it’s the same temperature as the air above. The difference between air and water makes a huge difference to how we can move on air and land.

Why do we move slower in water?

Light changes speed As you start walking into the water, you all slow down, because it’s harder to walk through water than through air. The same thing happens to a light ray when it moves from air to water, or from any fast medium to a slow medium: it bends toward the normal.

How fast can a US nuclear submarine go?

They’re known for being among the quietest subs ever built and are some of the most heavily-armed American attack subs ever, with eight torpedo tubes and enough space for 50 torpedoes or cruise missiles. They can also reach speeds well over 25 knots.

What is a boomer submarine?

The Navy’s ballistic missile submarines, often referred to as “boomers,” serve as an undetectable launch platform for intercontinental missiles. They are designed specifically for stealth and the precise delivery of nuclear warheads. SSBNs are specifically designed for extended deterrent patrols.

Do submarines cause waves?

Wading through water can be such a drag. Even streamlined submarines have to fight the pull of the ocean slowing them down. Urzhumov explains that anything moving through water is dragging water with it, making it feel heavier and creating turbulence. Jul 22, 2011.

What is it called when a submarine surfaces quickly?

An emergency main ballast tank blow is a procedure used aboard a submarine that forces high-pressure air into its main ballast tanks. The high-pressure air forces ballast water from the tanks, quickly lightening the ship so it can rapidly rise to the surface.