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MariettaO [177]
3 years ago
8

_________ is what occurs when matter transitions between solid, liquid and gas

Physics
1 answer:
jonny [76]3 years ago
5 0

Answer:

Phase change

Explanation:

This term describes the changes of a state of matter between various states of aggregation without a change in its composition, that is, the transitions between solid, liquid, and gaseous states of matter, due to the effects of temperature and / or pressure.

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Which diagram correctly represents the electric field lines between two small electrically charged spheres?
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hehe

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3 years ago
Astronomers classify stars according to their (1 point) distance from Earth. color, size, and absolute brightness. age and paral
charle [14.2K]

Answer:

All of the above

Explanation:

Astronomers use all of those measures to classify stars. If you want to look more into classifying stars, check out the Hertzsprung-Russel Diagram. It covers how to identify red giants, main sequence, dwarf stars, ect. Distance from earth is typically measured in light years. The color of stars generally determines how hot they are. (Blue stars are the hottest) Also, the parallax method is used to measure stars that are closer to earth. This method relies heavily on geometry though.

Hope this helped!

8 0
3 years ago
Please help me with thus question (picture) D:
IrinaVladis [17]

well thanks for the Information

4 0
3 years ago
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Why is the Earth generally warmer at the equator than at the poles?
Elenna [48]
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5 0
3 years ago
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Suppose the acceleration of an elevator is 1/2 g upward, then what is the reading on the scale in the elevator.
Irina-Kira [14]

Answer:

c. 3/2 mg

Explanation:

Given that the acceleration of an elevator is 1/2 g upward.

The reading on the scale of the elevator is the net external force acting on the elevator.

Let the force F acting on the elevator as shown,

By using Newton's 2nd law, F_{net}=ma

where, F_{net} is the net force acting on the elevator.

m is the mass of the elevator,

a is the acceleration of the elevator, as given a=1/2 g upward.

So, F_{net}=m\times \frac 1 2 g

F-mg=m\times \frac 1 2 g \\\\F=mg+ \frac 1 2 mg \\\\F= \frac 3 2 mg.

So, the reading on the scale in the elevator is \frac 3 2 mg.

Hence, option (c) is correct.

4 0
3 years ago
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