PHYSICS HIGH SCHOOL

Which explains why a gas does not have a fixed shape?The particles have very high speeds.
The particles are not compressible.
The particles are charged.
The particles vibrate.

Answers

Answer 1
Answer: The gas particles are compressible and the particles in liquids/solids are very close together and do not easily compress.
Answer 2
Answer:

Answer:

The particles have very high speeds.

Explanation:

the force between gas molecules is very weak so the molecules are very least bounded to each other.

Due to very less or weak interaction between the molecules the gas molecules can travel easily in the space.

Since the speed of gas molecules are random and the direction of motion is not influenced by the force between the molecules so here the gas can be compressed easily.

Due to this high speed of gas molecules they do not have a finite shape and it will obtain the shape of the container in which it is stored

So correct answer will be

The particles have very high speeds.

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Nếu tăng khoảng cách giữa hai điểm lên 4 lần thì lực tương tác tĩnh điện giữa chúng sẽ

Answers

Answer:

điện giữa chúng s

Explanation:

You should vary your ____________ based on the size and noise level of the venue you are speaking in.

Answers

I think, the best word to fill the blank is "voice". You should vary your voice based on the size and noise level of the venue you are speaking in. Because when you are speaking you use your voice to be heard. Also, it is the only thing you can vary depending on the size and the noise when speaking in a certain location.

Answer:

C

Explanation:

What is the speed of sound, when travelling through steel?

Answers

20000 ft/s or 6100 m/s

Kendall has an empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a balance and a marble.Which statement best describes what Kendall can do?

She can measure the volume and mass of the marble, the volume and mass of the water, and the volume and mass of the graduated cylinder.
She can measure the volume and mass of the marble, the volume and mass of the water, and the mass of the graduated cylinder.
She can measure the volume of the marble and water, and the mass of the graduated cylinder.
She can measure the mass of the marble and water, and the volume of the graduated cylinder.

Answers

Answer:

Its B. She can measure the volume and mass of the marble, the volume and mass of the water, and the mass of the graduated cylinder.

Explanation:

I just did it

Answer:

The awnser is actually B.

Explanation:

She can measure the mass of the water, marble and the graduated cylinder with the balance.

The volume of the water can be shown on the marked graduated cylinder, the volume of the marble can be measured by the volume difference of the water before and after the marble is put in.

As an object sinks in a fluid, the buoyant force ____.a. increases
c. remains the same
b. decrease
d. depends on the shape

Answers

Beginning when the bottom of the object first touches the water,
and as it descends and more and more of it goes under, the
buoyant force on it increases during that time.

As soon as the object is completely underwater, it doesn't matter
how deep under it is, the buoyant force on it remains the same.

As an object sinks in a fluid, the buoyant force decrease.



Hope this helped.

What happens when the temperature of a substance is slightly decreased?

Answers

Answer: kinetic energy will reduce

Explanation: kinetic energy is a function of temperature the higher the temperature the more the kinetic energy of the molecules in the substance

The lower the temperature the lower the kinetic energy
If the temperature decreases, the molecules within the substance will move slowly and if the temperature is extremely decreased the substance will freeze.

♡♡Hope I helped!!! :)♡♡
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