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Y_Kistochka [10]
3 years ago
14

an ideal gas system undergoes an adiabatic process in which it expands and does 20 J of work on its environment. how much energy

is transferred into the system as heat
Physics
1 answer:
ehidna [41]3 years ago
8 0

Answer:

Zero.

Explanation:

An adiabatic process is one in which there is no exchange of heat energy. Therefore, in an adiabatic process, heat is neither added to the system not it is removed from the system.

The work done by the gas on the environment is 20 J. This energy is equal to the change in internal energy for an adiabatic process.

Therefore, for an ideal gas to undergo an adiabatic process in which it expands and does 20 J of work on its environment, the heat exchange is zero.

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A package of mass 5 kg sits on an airless asteroid of mass 7.6 × 1020 kg and radius 8.0 × 105 m. We want to launch the package i
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Answer:

s =  1.7 m

Explanation:

from the question we are given the following:

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radius = 8 x 10^5 m

velocity of package (v) = 170 m/s

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compression (s) = ?

Assuming that no non conservative force is acting on the system here, the initial and final energies of the system will be the same. Therefore  

• Ei = Ef

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• Ef = kinetic energy of the object

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s = \sqrt{\frac{5}[2.8 x 10^5}(170^{2}+\frac{2 x 6.67 x10^{-11} x 7.6 x 10^{20}}{8 x 10^5})}

s =  1.7 m

7 0
3 years ago
The velocities of light in air and glass are 3.0 x 10^8ms and 2.0×10^8ms respectively. If the angle of refraction is 30°, the si
JulijaS [17]

Answer:

0.75

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1.5 =  \ \frac{ \sin(i) }{ \sin(30) }

1.5 × ½ = sin(i)

\sin(i)  =  0.75

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</span><span>Wavelength: the distance between adjacent crests, measured in meters
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Which elements have similar behavior
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