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arsen [322]
3 years ago
9

PLS HURRY AND ANSWER THIS IM GIVING 100 POINTS AND ILL MARK BRAINLIEST

Physics
1 answer:
dolphi86 [110]3 years ago
3 0

Infrasound versus Ultrasound: Infrasound is sound that is beneath the lower furthest reaches of human hearing, under 20 Hz, and ultrasound is over the maximum furthest reaches of human hearing, over 20,000 Hz. People use infrasound - this repeat run for checking seismic quakes and volcanoes, charting rock and oil improvements under the earth. Infrasound is depicted by an ability to get around blocks with little dispersing.

For example, a couple of animals, for instance, whales, elephants and giraffes pass on using infrasound over huge distances. Heavy slides, volcanoes, seismic quakes, ocean waves, water falls and meteors produce infrasonic waves. Indicative ultrasound, moreover called sonography or definite clinical sonography, is an imaging method that uses high-repeat sound waves to make pictures of designs inside your body. The photos can give significant information to diagnosing and treating a variety of infirmities and conditions.

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As a system expands, it absorbs 52.5 J of energy in the form of heat from the surroundings. The piston is working against a pres
Kaylis [27]

Answer:

Vi = 0.055 m³ = 55 L

Explanation:

From first Law of Thermodynamics, we know that:

ΔQ = ΔU + W

where,

ΔQ = Heat absorbed by the system = 52.5 J

ΔU = Change in Internal Energy = -102.5 J (negative sign shows decrease in internal energy of the system)

W = Work Done in Expansion by the system = ?

Therefore,

52.5 J = - 102.5 J + W

W = 52.5 J + 102.5 J

W = 155 J

Now, the work done in a constant pressure condition is given by:

W = PΔV

W = P(Vf - Vi)

where,

P = Constant Pressure = (0.5 atm)(101325 Pa/1 atm) = 50662.5 Pa

Vf = Final Volume of System = (58 L)(0.001 m³/1 L) = 0.058 m³

Vi = Initial Volume of System = ?

Therefore,

155 J = (50662.5 Pa)(0.058 m³ - Vi)

Vi = 0.058 m³ - 155 J/50662.5 Pa

Vi = 0.058 m³ - 0.003 m³

<u>Vi = 0.055 m³ = 55 L</u>

7 0
3 years ago
Explain in your own words how volume is measured.
pav-90 [236]

Answer:

volume measured by pid^3 over 6 i think

Explanation:

7 0
3 years ago
Read 2 more answers
In a low-density cloud, the internal pressure is much too low to support the weight, so the cloud must __________, eventually pr
andrey2020 [161]

The answer to this question is flatten

so the cloud must <u>flatten</u> eventually producing the galaxy s disk.

3 0
3 years ago
The earth’s orbit around the sun is elliptical. What does this word mean?.
omeli [17]

Answer:

An elliptical orbit is the revolving of one object around another in an oval-shaped path called an ellipse. The planets in the solar system orbit the sun in elliptical orbits. Many satellites orbit the Earth in elliptical orbits as does the moon.

3 0
2 years ago
Мета: :
Ierofanga [76]
I can’t answer this
3 0
3 years ago
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