Physics Middle School

Help please, I don't understand this at all. I'm in the sixth grade. Please provide an answer that'll look like a sixth grader provided.

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Help Please, I Don't Understand This At All. I'm In The Sixth Grade. Please Provide An Answer That'll

Answers

Answer 1

Answer:

Without air, you don't fly. Air moves..up, down, and sideways. What air is doing affects what your plane is, or will do. It can help you are kill you. Learn.

Explanation:

Related Questions

Newton's demonstration of objects preferring to travel in straight lines is part of his:

1st Law
3rd Law
2nd Law
Universal Gravitation

Answers

Answer:

1st Law.

Explanation:

Newton's First Law states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force.

Hope this helps! Brainliest? :)

What is an example of two simple machines put together?

Answers

Answer: scissors and a axle.

Explanation:

a lever and a wedge which make scissors!!

Which statement correctly identifies the relative levels of kinetic and potential energy in a hydroelectric dam?
Kinetic and potential energy are both highest at the bottom.

Kinetic and potential energy are both highest at the top.

Kinetic energy is highest at the top; potential energy is highest at the bottom.

Kinetic energy is highest at the bottom; potential energy is highest at the top.

Answers

Answer:

the answer is the third question

Explanation:

because while the water is behind the dam it has potential energy and while it goes down it stores up  kinetic energy then generators convert all the energy into electricity and that is one source that makes power

Kinetic energy is highest at the bottom; potential energy is highest at the top, therefore the correct answer is option D.

What is mechanical energy?

As total mechanical energy is the sum of all the kinetic as well as potential energy stored in the system.

ME = KE + PE

As given in the problem we have to find out which statement correctly identifies the relative levels of kinetic and potential energy in a hydroelectric dam,

The total mechanical energy of the water in a hydroelectric dam is the sum of the kinetic energy and the potential energy which interconvert into each other.

Thus, Kinetic energy is highest at the bottom; potential energy is highest at the top, therefore the correct answer is option D.

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just some more Questions for y'all and yes there are more coming and no i dont feel like giving much points out cuz I'm loosing a lot but have fun answering みんな安全に

Answers

Answer:

9) C.6  10) B. sun moon earth 11) A. sun moon earth 12) C.one month 13) D

Explanation: plz tell me if there wrong i will fix them hop tis helps

What is a model mean?

Answers

Answer:

a three-dimensional representation of a person or thing or of a proposed structure, typically on a smaller scale than the original.

Explanation:

definition 1. a three-dimensional representation of a person or thing or of a proposed structure, typically on a smaller scale than the original.

definition 2. a system or thing used as an example to follow or imitate.

Verbs:

1. fashion or shape (a three-dimensional figure or object) in a malleable material such as clay or wax.

2. use (a system, procedure, etc.) as an example to follow or imitate.

Which of the following is a similarity between electromagnetic waves and mechanical waves? Both types of waves–

Answers

Answer:

A. transfer energy from one point to the other

Explanation:

When waves transfer energy, the matter doesn't move with it, so the energy goes from one point to the other. You can see this more clearly on a transverse wave example.

A team of engineers is working with a wind turbine. The team is working with a model and testing different angles for the blade of the wind turbine. What would the research question be for this team?
Which angle converts the largest percentage of potential energy from the wind into kinetic energy of the turbine?

Which angle converts the largest percentage of kinetic energy from the wind into kinetic energy of the turbine?

Which angle converts the largest percentage of potential energy from the wind into potential energy of the turbine?

Which angle converts the largest percentage of kinetic energy from the wind into potential energy of the turbine?

Answers

Answer:it would be which angle converts the most potential energy to into kinetic energy of the turbine

Explanation:

The best research question would be finding the angle that converts the largest percentage of kinetic energy from the wind into kinetic energy of the turbine.

What is Mechanical energy?

Mechanical energy is the sum of kinetic and potential energy of the body. Mathematically -

E[M] = E[K] + E[P] = 1/2mv² + mgh = m(1/2v² + gh)

Given is a team of engineers is working with a wind turbine. The team is working with a model and testing different angles for the blade of the wind turbine.

Flowing wind carries very small particles and other light components it finds in its way. The sum of the kinetic energies of these individual particles and components are responsible for the kinetic energy of the flowing wind. Now, this wind is utilized to rotate the turbine blades and generate electricity. In this process, the kinetic energy of the wind does work on the blades of the turbine such that the amount of work done causes the blades to rotate. Now, the rotating blades will have rotational kinetic energy. For a mathematical model -

E[wind] = E[blades]

1/2mv² = 1/2Iω²mv² = Iω²

mv² - Iω² = 0

Hence, the total energy remains conserved.

Therefore, the best research question would be finding the angle that converts the largest percentage of kinetic energy from the wind into kinetic energy of the turbine.

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who was your favorite descendants cast member

Answers

Answer:

dove cameron of course  

Explanation:

My favorite descendants cast member is bb Stewart

please help me with these

Answers

Answer: 14) A.  15)D.    16)B.  17)B. 18)A.

Explanation: Hope this helps, :)

A
D
B
B
A
Thats the correct ones

The turbines can be seen inside this hydroelectric dam. Why are they located at that particular height?

(1 point)

There is a small drop, so the water will still have a lot of kinetic energy to transfer to the turbine.

There is a large drop, so the water will have a lot of kinetic energy to transfer to the turbine.

There is a large drop, so the water will have a lot of potential energy to transfer to the turbine.

There is a small drop, so the water will still have a lot of potential energy to transfer to the turbine.

Answers

Answer: The answer is number is two

Explanation: Because as it says there is a large drop, so the water will still have a lot of kinetic energy to transfer to the turbine.

In the hydroelectric dam, there is a large drop, so the water will have a lot of potential energy to transfer to the turbine. Therefore, option (C) is correct.

How is the energy transformed in the hydroelectric dam?

In the hydroelectric dam, electric energy is generated using water from a turbine. The flowing water is utilized to propel the turbines. At first, a huge amount of the flowing water has stored across the dams. The kinetic energy of flowing water is stored in the form potential energy in the dams.

Then the stored water in the dam will fall on the turbines so that the turbines are placed in the deep and rotate the turbines and the potential energy of water to the turbines which converted into mechanical energy.

Then the turbines rotate and generate electricity and the mechanical energy is transformed into electrical energy.

Therefore, turbines in the hydroelecric dams are located at particuler height.

Learn more about the hydroelectric power plant, here:

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Which photoreceptive cells are used to see colors?


WILL GIVE BRAINLIEST! PLEASE HELP!

Answers

Answer:

Cones

Explanation:

Mark as BRAINLIEST please

Answer:

Cones are less sensitive to light than the rod cells in the retina (which support vision at low light levels), but allow the perception of color.

Explanation:

hope this helps

A box moved 33 meters down a factory conveyor belt at a constant velocity. It moved that distance in
1.5 minutes. What was the box's velocity?

Answers

Since the box is moving at a constant speed and in a rectilinear path, we can then say:

[tex]d = v \times t[/tex]

where d is the distance traveled.where v is the speed.& t is the time taken.

[tex]v= \frac{d}{t} = \frac{33}{1.5 \times 60} = \frac{33}{90} = 0.3666 \: meters \: per \: sec[/tex]

Don't forget to change from minutes to seconds by multiplying by 60.

Distance= 33 m
Time= 90 sec

Velocity= 33/90

Velocity= .37 m/s

Radio waves have long wavelengths.
What does this tell you about their frequency?

A they have high frequencies.
B. they have low frequencies
C. frequency is unrelated to wavelength.

Answers

The answer is B
Hope this is helpful to you
i believe the answer is b

What happens to air pressure when you go up to the mountains?

Answers

The air pressure decreases
The air pressure decreases

Which of the following types of stars is the hottest? (2 points)

Group of answer choices

Blue main sequence

Orange main sequence

Red supergiant

White dwarf

Answers

Blue main sequence

The type of stars that is the hottest is Blue main sequence.

What is Blue main sequence?

An O-type principal grouping star (O V) is a fundamental succession (center hydrogen-consuming) star of unearthly sort O and glow class V. These stars have somewhere in the range of 15 and multiple times the mass of the Sun and surface temperatures somewhere in the range of 30,000 and 50,000 K.

Their temperature range is so high. So, the hottest star is blue main sequence.

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