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Olenka [21]
3 years ago
6

The geocentric model of the universe stated that _____.

Physics
2 answers:
Natalka [10]3 years ago
7 0
Earth was the center of the universe
natka813 [3]3 years ago
3 0

Earth was the center of the universe

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Comparing helium atoms with nitrogen molecules at the same temperature, the helium atoms on average are moving _______ and have
mylen [45]

Answer:

Helium atoms compared to nitrogen atoms are moving faster and have a greater kinetic energy.

Explanation:

The molecular velocity of a gas at room temperature is inverse proportional to the square root of its molecular mass.

The greater the molecular mass of the gas the lesser the average speed of its molecules. Comparing the molecular masses of nitrogen and helium, helium is found to have a lower molecular mass and a corresponding greater velocity.

Hence helium moves faster than nitrogen and has a higher kinetic energy than nitrogen

6 0
3 years ago
When is thermal equilibrium achieved between two objects?
ki77a [65]
Thermal equilibrium is when a hot and cold object (could also be air) come in contact with each other and over time become the same temperature.
thermal equilibrium is reached when both objects are the same temperature.
4 0
3 years ago
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Match the type of boundary with it's characteristic
vodomira [7]

Answer:

Transform= not destroyed or created  

Divergent= crust created  

Convergent= crust destroyed

Explanation:

The plates move in the opposite or away from each other at a transforming plate boundary. The two platform borders are not produced or destroyed in this case. As both plates converge on each other and thus destroy the plates for converging plate boundaries. When the plate is divergent, both plates shift away from each other by opening up and solidification for a new crust.

3 0
3 years ago
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What is a nebula? <br> please help I am clueless
Rainbow [258]
A nebula is gas, dust, and other things that form and form some sort of clould like thing. It also looks cool because of the colors it produces. I'm sure you could do a web search to find more about it, I don't take astronomy hahaha
4 0
3 years ago
1. What is the pull that all objects exert on each other?
Andrei [34K]

Answer:

Im pretty sure 1 is gravity, 2 is force

Explanation:

8 0
3 years ago
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