Because a hovercraft rides on a cushion of air, there is less contact between a hovercraft and water, so there's less friction to slow it down as compared to a regular watercraft.
Yes, the surface of a hill can affect how fast a ball will roll down it. A smoother surface will have less friction, allowing the ball to roll faster, while a rougher surface will create more friction and slow the ball down. Additionally, the incline of the hill will also impact the speed of the ball as steeper hills will cause the ball to accelerate more quickly.
It has a greater surface area than the single piece of iron
You lose more when you go faster: when you go faster the amount of friction increases and thus the amount of energy you lose increases.
In general, no, it accelerates / increases fires. If the fire is based on methane, say, and the oxygen displaces all the methane, then the fire will go out. If the oxygen is passed through / across the fire at something approaching supersonic speed, if the fire doesn't go out, it *will* go somewhere else.
Yes you can, but you would have to hold your breath and make sure that you exhale quickly, because underwater there is no oxygen. You will hear it but the projectile will not go as fast because the water will slow it down. You would not be able to fire another shot unless you supply your own oxygen or surface and inhale.
a surface with an air intake
Modern submarines are designed to go much faster submerged. This design also limits their surface speed capability. WW1 and WW2 submarines were not considered true submersibles by today's standards. They were essentially surface vessels that had the capability of limited submerged operations. As such, their design and propulsion made them faster on the surface and much slower underwater. Modern submarines are true submersibles in that their only limitation is that of their crews.
The pressure is less at the surface as opposed to being underwater.
the smoother the surface the faster you go the bumper the surface the slower you go. smooth surface less effort to go farther and vice - versa
Dolphins can't breathe underwater because they are mammals. They go to the surface to breathe and then hold their breath while underwater
you have to dive underwater by sootopolis city and you have to go in the little cave underwater where youll find the sud and then you surface there.
In most cases, heavier things do not necessarily go faster than lighter things. The speed at which an object moves is typically determined by factors such as the force applied to it, the surface it is moving on, and air resistance. In some cases, heavier objects may have more momentum and be more difficult to stop once in motion, which can give the impression that they are moving faster.
No but they go up to the surface every 30 minutes.
No, they have to surface to breathe. They can go a long time between breaths though.
Who said things go faster as they get nearer to a black hole ? Oh yes ... an objectfalling under the influence of gravitation is accelerated. OK. But no. Things do, butlight is not an object, and it doesn't go faster than 300,000 km/sec .
USA. nuclear powered submarines can go faster than 25 knots (nautical miles per hour) underwater.
You have to search Underwater on Route 128 to find a secret cavern with a submarine in it, then go to the surface.