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aleksandrvk [35]
3 years ago
12

True or false? A system must contain more than one object.

Physics
1 answer:
neonofarm [45]3 years ago
3 0

Answer:

true

Explanation:

normally -No system has ever performed well with one object.

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Why on earth the sky is in blue colour but it is black on the moon?
Damm [24]
This is beacuse it is caused by light scattering of light in the atmosphere. When the moon rises blue light is caused and scattered also caused by earth's atmosphere and it is black on the moon as there is no lunar atmosphere , so no light scattering.
7 0
4 years ago
In 5 meters, a person running at 0.8 m/s accelerates at 1.6 m/s2. How fast 16 points
frutty [35]

They were going at a velocity 4.07m/s

<u>Explanation:</u>

Distance s =5 m

initial velocity u= 0.8 m/s

Acceleration a =1.6m/s2

We have to calculate the velocity with which they were going afterwards i.e final velocity.

Use the equation of motion

v^2=u^2+2as\\=0.8^2+2\times 1.6\times 5\\=16.64\\v=4.07 m/s

They were going with a velocity 4.07 m/s afterwards.

5 0
3 years ago
HURRY!!!!! Which change of state is shown into the model?
nadezda [96]

Option (B) is correct. The process shown in the model is the process of DEPOSITION.

Explanation:

The first container shows the molecules of the substance present inside it at a fairly large distance from one another whereas the second container, the molecules of the substance are very close to each other.

This shows that the substance in the first container is gaseous in nature whereas the substance in the second container is solid in nature as its molecules are closely packed.

Therefore, it shows the phase transition of a substance from gaseous sate to the solid state. The process of conversion of a gas directly into a solid is termed as deposition. This process is the opposite of the Sublimation in which the solid gets directly converted into a gas. Thus, the process is also termed as desublimation.

Thus, Option (B) is correct. The process shown in the model is the process of DEPOSITION.

Learn More:

1. Kinetic energy of a body depends on brainly.com/question/137098

2. X-component of the object's acceleration brainly.com/question/7114558

3. Velocity is a combination of which of the following brainly.com/question/1890447

Answer Details:

Grade: High School

Subject: Physics

Chapter: States of matter

Keywords:

Sublimation, phase transition, solid, gas, molecules, distance, deposition, freezing, boiling, container, second.

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Answer:

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