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Alla [95]
2 years ago
11

Physics teacher guide grade 9​

Physics
1 answer:
jekas [21]2 years ago
5 0
What are you asking??
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I was reading an old thermodynamics textbook and came across this equation describing change in internal energy. What does the (
RoseWind [281]

Explanation:

I remember that notation! The expression

dQ = dU = (\dfrac{\partial U}{\partial T})_{V} dT+ (\dfrac{\partial U}{\partial V})_{T}dV

is the 1st law of thermodynamics and it refers to the heat supplied to the system dQ which is also a change in its internal energy dU. The first term is the <u>partial</u> derivative of the internal energy U with respect to temperature T while the volume V is kept constant, as denoted by the subscript V. The 2nd term is similar but this time, temperature is kept constant while its volume partial derivative is being taken.

Ah, memories!

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3 years ago
The deepest section of ocean in the world is the Marianas Trench, located in the Pacific Ocean. Here the ocean floor is as low a
Levart [38]
B I just took the test
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2 years ago
Kepler's first law states that planets orbit the Sun in a path called a(n)
wariber [46]
The answer would be C.
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3 years ago
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What is most likely the amount of energy available at a trophic level of primary consumers if the amount of energy available to
docker41 [41]

Answer:

200 kilocalories

Explanation:

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2 years ago
Which of the following has kinetic energy? (1 point)
mr_godi [17]

Ans:

C

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because it is moving down the stairs

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