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Alexus [3.1K]
3 years ago
13

Which arrow correctly describes the changes in matter at the molecular level?

Physics
1 answer:
Vikentia [17]3 years ago
3 0

Answer:

B. kinetic energy of particles decrease

Explanation:

when substance changes from gas to liquid the kinetic energy of it's molecules decreases.

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2nd question!!!!!!!!!!!!!!!!!!!
DochEvi [55]

Answer:

D.

Explanation:

6 0
3 years ago
What is linear momemtum​
Genrish500 [490]

Answer:

Its momentum thats linear

Explanation:

from my secret analysis i would say this is really linear

7 0
3 years ago
Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above
tangare [24]

Answer:

5.1 hours

Explanation:

The only fact we need to know about such a question is that when gazing down at the north pole, the earth spins longitudinally at 360 degrees / day in the clockwise direction.

The planet would have to spin an additional 77 ° to strike the asteroid at 25° E. If the earth rotates in 24 hours 360 degrees, then it must it rotates in 5.1 h at 77 degrees.

8 0
4 years ago
If the element gallium has an atomic number of 31 and an atomic mass of 70, how many neutrons does it have?
Mumz [18]

Answer:

The answer is 39.

Explanation:

The atomic number refers to the number of protons and the atomic mass is the sum of the protons and neutrons. So, you would just do 70 - 31 and that gets you 39.

6 0
2 years ago
A bicyclist is in a 50-km race. She says she had an average velocity of 35.
zlopas [31]
The correct answer to this is (A. Units Only).

It shows that there is a velocity of 35, but the units are missing.
8 0
4 years ago
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