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sdas [7]
2 years ago
7

The photograph shows matter changing states. Which statement best describes what happens to the particles of matter during this

change? Tightly-packed particles gain energy, allowing them to move more freely. Particles move more slowly and bump into one another less frequently. Particles pack closely together, giving the matter a definite shape and volume. A loss of energy strengthens the attraction between particles.

Physics
2 answers:
AfilCa [17]2 years ago
6 0
Its a tightly-packed particles gain energy, allowing them to move more freely.
defon2 years ago
4 0

Answer: The correct answer is "Tightly-packed particles gain energy, allowing them to move more freely".

Explanation:

The three states of the matter are: Solid, liquid and gas.

Solid: In the solid state, the particles are tightly packed. The particles of the solid are not free to move. Solids are rigid. They have definite shape and volume.

Liquid: In the liquid state, the particles are loosely packed in comparison to solid. The particles of the liquid are free to move. They do not have definite shape.

Gas: In the gaseous state, the particles are more loosely packed in comparison to liquid. The particles of the gas are more free to move. They do not have definite shape.

In the given photograph, matter is changing its state. Here, ice is solid and it is changing its state. It starts melting after gaining energy from the surrounding. Then, the particles can move more freely.

Therefore, the correct option is "Tightly-packed particles gain energy, allowing them to move more freely".

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Answer: heavy objects will have a higher terminal velocity than light objects. ... It takes a larger air resistance force to equal the weight of a heavier object. A larger air resistance force requires more speed.) Therefore, heavy objects will fall faster in air than light objects.

6 0
2 years ago
When you catch a baseball with a glove (instead of your hand), the glove helps by
AveGali [126]

Answer:D. Impulse

Explanation:

4 0
2 years ago
What does the negative sign in F = –kx mean?
VashaNatasha [74]

It says that the force of a spring is always opposite to the direction in which you stretch it or compress it. (the direction of 'x')

In other words, a spring that's disturbed always tries to put itself back to it's normal length, where x would be zero.

8 0
3 years ago
How far will a body move in 4 seconds if uniformly accelerated from rest at rate of 2m\sm\s​
Lubov Fominskaja [6]

Answer:

16 m

Explanation:

For an object in uniformly accelerated motion (=with constant acceleration), the distance covered by the body can be found by using the following suvat equation:

s=ut+\frac{1}{2}at^2

where

s is the distance covered

u is the initial velocity

t is the time

a is the acceleration

For the body in this problem,

u = 0 (it starts from rest)

a=2 m/s^2 is the acceleration

Substituting t = 4 s, we find the distance covered:

s=0+\frac{1}{2}(2)(4)^2=16 m

3 0
3 years ago
According to the condensation theory, the most important factor for the formation of our planets was _____. the gravitational pu
mart [117]

According to the condensation theory, the most important factor for the formation of our planets was "the interstellar dust attracting heat away from the protosun".


Condensation is the procedure by which water particles noticeable all around bunch together and shape fluid water. This is regularly observed outwardly of cold glasses. This idea additionally identifies with the solar system.

The condensation theory of the solar system expresses that our solar system, and perhaps all other galaxies, were shaped from a cloud of residue and gas that consolidated into strong issue. Space experts trust that the littlest grains of residue in our cloud applied a draw on the gas about it, 'consolidating' into bigger and bigger bits of issue, similarly as a snowball moving downhill will become bigger and bigger. In the long run, the gravitational draw of these residue atoms was sufficiently solid that they started to pull in each other, developing into greater and greater clusters that had more grounded gravitational pulls. In the long run, these bunches of residue and gas from the cloud frame a star, and potentially planets, space rocks, and comets turning about the star.

5 0
3 years ago
Read 2 more answers
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