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15y ago

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Sound of air or water moving very fast?

The sound of air moving very fast can vary from a whooshing sound to a high-pitched whistle or roar. The sound of water moving very fast can range from a rushing or gushing noise to a loud, roaring cascade. Both sounds can be intense and powerful, reflecting the speed and force of the movement.


Why the velocity of sound in air is very slow compared to that in water?

Sound travels faster in water than in air because water is denser and has a higher elastic modulus. This allows sound waves to propagate more efficiently through water compared to air, where the particles are less tightly packed and have less ability to transmit sound waves.


Through which medium sound travells the most and why?

if by "most" you mean the fastest...the more dense the material the faster sound can propagate. The closer molecules are together the faster the "message" can be sent down the line. Although sound travels very fast in air, gases are not dense at all. Sound would travel faster in water than air, and faster in glass than water. I am unsure what the fastest material would be, perhaps a metal that is very dense.


What sentences indicates that something is happening now is it A you run very fast B you are running very fast C I can run very fast D all of the above?

B: "You are running very fast". "You run very fast" and "I can run very fast" are statements but neither indicates that you or I are currently running fast (we may well be, but the sentences do not convey that fact).


What is said to very fast?

When something is said to be very fast, it means that it is quick or rapid or swift. Something that is said to be very fast is time passing when you are enjoying your self. If "Very fast" is said by a timekeeper at the end of a race I'd just run, I'd say "How fast?"