juliannasl
27.02.2020 •
History
Why do you think the higher human capital is in a country , the higher a nation’s GDP will be? Explain you answer in a few sentences
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Ответ:
Answer : The medium in which sound travel the fastest is, a steel bar.
Explanation :
Sound waves : It is a type of wave that travels by vibrating molecules in a medium.
The order of sound wave travels is:
Solid > Liquid > Gas
Solid state : It is a state in which the particles are closely packed and does not have any space between them.
Liquid state : It is a state in which the particles are present in random and irregular pattern. The particles are closely arranged but they can move from one place to another.
Gaseous state : It is a state in which the particles are loosely arranged and have a lot of space between them.
From this we conclude that, in solids the molecules are closely spaced that causing sound to travel faster through it.
The order of sound wave travels is:
a steel bar > water > nitrogen gas
Hence, the medium in which sound travel the fastest is, a steel bar.