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zlopas [31]
2 years ago
11

What would be the position of the centre of mass?

Physics
1 answer:
AnnyKZ [126]2 years ago
6 0

Answer: the average position of all the parts of the system, weighted according to their masses.

Explanation:

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A gas is compressed at a constant pressure of 0.800 atm from 12.00 L to 3.00 L. In the process, 390 J of energy leaves the gas b
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Answer:

a)W= - 720 J

b)ΔU= 330 J

Explanation:

Given that

P = 0.8 atm

We know that 1 atm = 100 KPa

P = 80 KPa

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V₂ = 3 L = 0.003 m³

Q= - 390 J ( heat is leaving from the system )

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W = P (V₂ -V₁ )

W= 80 x ( 0.003 - 0.012 ) KJ

W= - 0.72 KJ

W= - 720 J    ( Negative sign indicates work done on the gas)

From first law of thermodynamics

Q = W + ΔU

ΔU=Change in the internal energy

Now by putting the values

- 390 = - 720 + ΔU

ΔU= 720 - 390  J

ΔU= 330 J

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Which is the result of mitosis and cytokinesis?
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