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DanielleElmas [232]
3 years ago
6

Which of the following descriptions explains the process of water freezing? A) Water molecules speed up until they escape into a

different phase. B) Water molecules slow down until they begin to bond together C) Water molecules are squeezed together by high pressure until they begin to stick to one another. D) As water molecules cool, their shape changes from rounded to irregular, making them more likely to link to one another.
Physics
2 answers:
scZoUnD [109]3 years ago
8 0

Answer:

B

Explanation:

egoroff_w [7]3 years ago
7 0

Answer: B. Water molecules slow down until they begin to bond together

Explanation:                                                                                                                                  When the water is to be cooled, the molecules start to slow down and becomes no longer energetic which means that they are going to bond together.

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3 years ago
The distance between earth and sun is 15000000km. Light takes 499 seconds to reach earth from sun. Calculate the speed of light
iVinArrow [24]

To solve the problem we must know about the relationship between Speed, distance, and Time.

<h3>What is the relationship between Speed, distance, and Time?</h3>

We know that sped, distance, and time all are in a relationship to each other. this relationship can be given as,

\rm{Speed = \dfrac{Distance}{Time}

The speed of the light is 30,060.12 km/sec.

Given to us

  • The distance between the earth and the sun is 15000000km
  • Light takes 499 seconds to reach earth from the sun.

We know that speed can be described as,

\rm{Speed = \dfrac{Distance}{Time}

Therefore,

<h3>What is the speed of the light?</h3>

\text{Speed of light} = \dfrac{\text{Distance between the earth and the sun}}{\text{Time taken by the light to travel the distance}}

Substitute the value,

\text{Speed of light} = \dfrac{15,000,000\ km}{499\ seconds}

\text{Speed of light} = 30,060.12\ km/sec

Hence, the speed of the light is  30,060.12 km/sec.

Learn more about Speed, distance, and Time:

brainly.com/question/15100898

7 0
2 years ago
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Answer:

Explanation:

A. Using

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3 years ago
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Answer:

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Explanation:

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A wire loop of radius 0.50 m lies so that an external magnetic field of magnitude 0.40 T is perpendicular to the loop. The field
vazorg [7]

The magnitude of the induced emf is given by:

ℰ = |Δφ/Δt|

ℰ = emf, Δφ = change in magnetic flux, Δt = elapsed time

The magnetic field is perpendicular to the loop, so the magnetic flux φ is given by:

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The area of the loop A is given by:

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Make a substitution:

φ = B2πr²

Since the strength of the magnetic field is changing while the radius of the loop isn't changing, the change in magnetic flux Δφ is given by:

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ℰ = 0.13V

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