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andreyandreev [35.5K]
3 years ago
8

Which medium would sound travel the fastest? water a steel bar or nitrogen gas

Physics
2 answers:
Soloha48 [4]3 years ago
7 0

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.

Masteriza [31]3 years ago
6 0
<span>Through which medium would sound travel fastest water a steel bar or nitrogen? ... The speed of sound in air, of which 78% is nitrogen ~ 340 m/s ... Which medium does sound travel the fastest through air water or steel? .... in steel sound travel faster than water because liquids are more denser than gases but less denser ...</span>
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Answer:

✓ A cyclone device accumulates fine particulates from the air by making a dirty air stream flow in a spiral path inside a  cylindrical chamber.

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✘ Fans blow dirt-filled air upward from the bottom of the enclosure, trapping dirt particles inside the  filter bags and releasing clean air from the top.

✓ The top of the chamber has an outlet that lets out cleaned air.

Basically, any of these choices that have the word "filter" are wrong. The point of the cyclone device is to separate the particles without the use of filters. You can tell the right answers based on the picture attached below.

3 0
3 years ago
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Water flows through a horizontal pipe (from a wider area to narrow area section) and then out into the atmosphere at a speed v1
Darina [25.2K]

Answer:

V = 6.36 m³

Explanation:

For this exercise we will use fluid mechanics relations, starting with the continuity equation.

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        Q = v₁ A₁

       

The area of ​​a circle is

        A = π r²

Radius is half the diameter

        A = π/4  d²

        Q = v₁ π/4 d₁²

        Q = π/ 4 15 0.03 2

        Q = 0.0106 m3 / s

The volume of water in t = 10 min = 10 60 = 600 s

        Q = V / t

        V = Q t

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4 0
3 years ago
Your electric drill rotates initially at 5.35 rad/s. You slide the speed control and cause the drill to undergo constant angular
Agata [3.3K]

Answer:

The  angular displacement  is  \theta  =  29.6 \ rad

Explanation:

From the question we are told that

     The initial angular speed is  w =  5.35 \ rad/s

      The angular acceleration is  \alpha  =  0.331 rad /s^2

      The time take is  t =  4.81 \ s

     

Generally the angular displacement is mathematically represented as

          \theta  =  w * t  + \frac{1}{2} \alpha  * t^2

substituting values

         \theta  =  5.35 * 4.81  + \frac{1}{2}  *  0.331  * (4.81)^2

         \theta  =  29.6 \ rad

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3 years ago
a battery of 9v is connected in series with resistors of 0.2ohm , 0.3ohm, 0.5ohm, and 5 ohm respectively. how much current would
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Answer:

1.5 A

Explanation:

Applying

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I = V/R'.................. Equation 2

Where V = Voltage, I = current, R' = Total resistance.

From the question,

In a series connection,

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Given: V = 9V

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