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shelbs6632
27.11.2019 •
Physics
It is known that heat is added to a gas in sealed container. the container is fitted with a moveable piston.
a. the temperature of the gas decreases.
b. the temperature of the gas increases.
c. the temperature of the gas remains the same.
d. not enough information is given to answer this question.
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Ответ:
d. Not enough information is given to answer this question.
Explanation:
From first law of thermodynamics
Q= W + ΔU
Q=Heat ,W= Work , ΔU=Change in internal energy
If work done by the gas :
It means that W and Q both are positive
Q- W = ΔU
Ii Q > W ,then temperature of the gas will increase.
If Q< W ,Then temperature of the gas will decreases.
If work done on the gas:
Q positive but W will be negative
Q- W = ΔU
Q= W or Q>W or Q< W ,then temperature of the gas will increase.
There are three cases because they did not give any information about the work.That is why option d is correct.
Ответ:
Explanation:
s = ½at²
a = 2s/t²
a = 2(201) / 5.0²
a = 16.08
a = 16 m/s²