PHYSICS MIDDLE SCHOOL

Help?? How does the thermal energy of a swimming pool compare to the thermal energy of a lake at the same temperature? A.
Thermal energy is the total potential energy of the particles in a substance. The lake is larger, so it contains more total particles than the swimming pool. The thermal energy of a lake is greater than a swimming pool because the lake is larger.

B.
Thermal energy is the total kinetic energy and potential energy of the particles in a substance. The lake is larger, so it contains more total particles than the swimming pool. The thermal energy of a lake is greater than a swimming pool because the lake is larger.

C.
Thermal energy is the total kinetic energy of the particles in a substance. The lake is more spread out, so it contains fewer total particles than the swimming pool. Therefore, the thermal energy of a lake is less than that of a swimming pool.

D.
Thermal energy is the total potential energy of the particles in a substance. The lake is more spread out, so it contains fewer total particles than the swimming pool. Therefore, the thermal energy of a lake is less than that of a swimming pool.

i think it is B, but can someone help me if im correct or not?

Answers

Answer 1
Answer: Your choice is correct. Please don't make me type it all out again.

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Study the image of a seismic graph.Graph of P & S Wave Travel Times, showing Travel time in minutes across distance in kilometers for P and S waves. S wave starts at zero kilometers, zero minutes, and increases to 10,000 kilometers, 25 minutes. P wave starts at zero kilometers, zero minutes and increases to 10,000 kilometers, 13 minutes.

About how far does the S wave travel through Earth in 13 minutes?

2,000 km
4,000 km
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Answers

Answer:

It is B. 4,000

Explanation:

I just took the quiz on edge2020

Answer:

B

Explanation:

Why are the cells produced by meiosis considered gametes?

Answers

they are considered gametes because it is the process in which diploid cells are transferred into haploid cells. 
good night 
eh they are considered gametes because it is the process in which diploid cells are transferred into haploid cells. 

What is the law of reflection?

Answers

You can observe this law in practice if a ray of light reflects off of a flat mirror. 

Law of reflection states that both direction of both incoming and outgoing rays of light make the same angle with respect to surface normal.
The law of reflection are, as follows:

The incident Ray, the reflected Ray and the normal to the reflection surface at the point of the incidence lie in the same plane.

If this does not make since than I hope you know I tried.

Reduce 2.525 liters ti microliters

Answers

Answer:

2525000  microliters

Explanation:

An optical fiber can make a light beam travel in a path that is curved or twisted? True or False

Answers

Answer:

True

Explanation:

An optical fiber is like a glass tube with very small radius. The light travels through these fiber following Total Internal Reflection principle. The movement of the light is not affected by the external factor or the shape of the fiber as long as it is intact. Even if it is twisted or curved, the light will travel as long as the fiber is not damaged physically.
hello their
  
      the correct answer is true
 
          
    i hope that i have helped

1.    How does the friction affect forwardmotion? Give an example.
 2.    Describe two ways to change the
frictional force between two solids surfaces.

Change the lubrication between the two surfaces

Change the normal force between the two surfaces


3.    How does air resistance affect the
velocity of a falling object?
 4.    What two sources of friction do you
have to overcome when you are walking?
 5.    If you push a chair across the floor
at a constant velocity, how does the force of friction compare with the force
exert? Explain.


6.    If you push a book against a wall
hard enough, it will not slide down even though gravity is pulling it. Use what
you know about Newton’s laws of motion to explain why the book doesn’t fall.

Answers

1.       Friction affects forward motion by repelling or trying to cancel the force which the opposite of its direction. For example, the wheel against the road pavement.

3. Air resistance affect the velocity of a falling object by either interfering with the gravitation force the object is acting on the subject. Hence, these since air assuming that the direction is perpendicular with gravity will result the object to drop sideways or gradually.  

4. The friction of the pavement and the air molecules.

5. Since the exerted force of the human is greater the object moves until the frictional force cancel itself or produce a net force both the force of the chair, gravity and friction.

6. Third law of motion which states that the force exerted of A to B, B will exert the same force that was exerted by A leaving the gravitational force canceled.



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