leptons are made of quarks and antiquarks true or false ?

Answers

Answer 1
true im just saing this for 20 characters

Related Questions

how does the current model of the atom differ from
 j j thomas model

Answers

jj thomas' model contained electrons. 

The current model contains a nucleus with electrons orbiting around it. :)

What is an advantage of being a single-celled organism

Answers

multicellular organisms have a greater capacity for surviving under extreme environmental conditions
Final answer:

Being a single-celled organism offers the advantage of carrying out all necessary life processes independently, enabling efficient resource management, reproduction, and adaptation. It showcases biological organization within a single cell, allowing for versatility and adaptability in various environments.

Explanation:

One significant advantage of being a single-celled organism is the ability to carry out all of life's processes independently, without the need for cooperation or division of labor seen in multicellular organisms. This autonomy allows single-celled organisms to efficiently manage resources, reproduce, and adapt to their environment with a streamlined organizational structure. From the intake of nutrients to reproduction, these organisms perform essential life functions within a single cell, showcasing an impressive level of biological organization and flexibility. Single-celled organisms, such as bacteria and protists, exhibit specialized behaviors despite their simple structure, including directed motility and predation, which enable them to thrive in various environments. Additionally, the absence of specialized cells means that each cell must be proficient in multiple tasks, providing a versatile and adaptive approach to survival.

The Colonial Theory suggests that multicellularity arose from the cooperation among single cells, highlighting the evolutionary advantages of single-celled life forms in pioneering new ecological niches. This evolutionary step underpins the diversity of life we observe today, with multicellular organisms developing complex structures and functions from these humble beginnings. Despite their simplicity, single-celled organisms play a crucial role in the biosphere, serving as foundational elements of ecosystems and driving both ecological and evolutionary processes.

Your science teacher gives you three liquids to pour into a jar. After pouring, the liquids layer as seen here. What property of matter prevents the three liquids from mixing together to form a solution?

Answers

a. mass
b. color
c. density
d. texture

i believe A

The property that prevents the liquids from mixing is density. Liquids have a set volume but don't have a fixed shape, allowing them to layer according to their density when combined in a container. The viscosity of the liquids can also affect their ability to mix.

The property of matter that prevents the three liquids from mixing together to form a solution is the density of each liquid. Matters most commonly exist as a solid, liquid, or gas; these are the three common phases of matter. Solids have a definite shape and volume, while liquids have a definite volume but not a definite shape, and take the shape of their container. Gases neither have a definite shape nor a definite volume. When liquids of different densities are combined, they layer according to their densities, with the least dense liquid at the top and the most dense at the bottom. This separation occurs because denser liquids are heavier per unit of volume and will not mix readily with lighter (less dense) liquids unless a force is applied to shake or stir them into a suspension or solution. It is also important to understand that the phases of matter and what constitutes a fluid, as liquids and gases, yield to shearing forces unlike solids. The capacity for a liquid to flow easily or quickly is determined by its viscosity. Because our three liquids have not mixed to form a homogeneous mixture, we can conclude that their different densities and potentially their varying viscosities have led to the layering effect observed.

IMPORTANT QUIZ!!!!!!!

the atomic number of an atom is the number of______.

A.protons and neutrons
B.protons
C.neutrons
D.electrons and neutrons

Answers

b.protons because the atomic number of an element represents the number of protons and electrons

how to convert 550 centimeters into meters?

Answers

1m=100cm                                                                                                              100cm=1m                                                                                                             550cm=550/100=5.5m

A cluster of galaxies containing very few galaxies is known as

Answers

Answer is a Poor Cluster.

Answer:

A group of galaxies forms a cluster.There are two types of clusters of galaxies.

Rich clusterPoor cluster

A rich cluster contains more than thousand galaxies.

A poor cluster contains less than thousand galaxies. Milky way is a part of poor cluster- the local group which has more than fifty galaxies.

Thus, a cluster of galaxies containing very few galaxies is known as poor galaxy.

7. The outermost electrons of the element vanadium (atomic #23) are in which energy level of the atom? How do you know?

Answers



When writing an electron configuration in orbital form, you put the last noble gas configuration in front, for vanadium it's (Ar). The s-block is filled with its capacity of 2 electrons since vanadium is a regular transition metal. The first d subshell, 4d, puts electrons into the 3rd shell not the outer shell. So it has 2 valence electrons. The exceptions to this rule are chromium, molybdenum, copper, silver and gold, which put one of the s electrons into the d shell.

Suppose you balance a 1.6-kg ball on the tip of your finger, which has an area of 1.1 cm2 .whats the pressure of your finger

Answers

Pressure is define as force per unit area. Mathematically expressed as,
P=F/A.
We are given, a mass of the ball equal to 
m=1.6kg and an Area of 1.1cm2=1.1([tex] 1x10^{4} [/tex])m2
To calculate for the force exerted by the finger to the ball, it is simply equal to the weight of the ball. Mathematically,
F=W
Weight of the ball can be calculated as,
W= ma
where m=mass of the object and a is the acceleration due to gravity (9.8m/s).
Then, the Weight of the ball which is equalt to the force exerted by the finger,
W=F=(1.6 kg x 9.81)=15.696 N
Then Pressure would be,
P=(15.696N/1.1(.1([tex] 1x10^{4} [/tex])m2))
P=142690.91 N/m2=142690.91 Pa


PLEASE HELP!!

What can affect the properties of a substance?

A. only the types of atoms
B. only the arrangement of atoms
C. the arrangement and types of atoms
D. neither the arrangement nor the types of atoms

Answers

the answer is c if i have not mistaken

The answer is C. The arrangment and types of atoms.

How does physics applied to being a teacher

Answers

Physics uses the language of mathematics to describe the physical world. Mathematics on it's own is just a language. It is a language that is build from logic :)

please rate as brianliest!! thanks!

A kilograms weighs more than two of these. *The answer is a 6-letter word that has an "o" as the letter, aka -o----*

Answers

A kilogram of mass weighs more than two POUNDS on the Earth, but not necessarily in other places. For example, it only weighs about 0.36 of one pound on the moon.

Final answer:

The word fitting the description "a kilogram weighs more than two of these" with 'o' as the second letter is 'pound.' Understanding and converting between pounds and kilograms is essential for solving multi-step weight-related problems in mathematics and science.

Explanation:

The question asks, “A kilogram weighs more than two of these.” The answer is a 6-letter word with “o” as the second letter, which is “pound.” One kilogram is approximately equal to 2.20462 pounds, making a single kilogram heavier than two pounds. In the metric system, weights are often calculated in grams and kilograms, and comparing these units requires understanding of conversion factors. For example, solving multi-step word problems involving weights in grams or kilograms often necessitates the use of the four basic operations: addition, subtraction, multiplication, and division.

This understanding helps in various scenarios, including when weighing objects or substances in science, such as comparing the weight of gases. For example, a liter of oxygen gas weighs more than a liter of water vapor; differential weights like these highlight the importance of understanding weight units and conversions in practical applications.

Small college has 2523 students in 1994 and 2891 students in 1996 if the enrollment follows a linear growth pattern how many students should the college have in 2006?

Answers

Since it is specified that the relationship is linear, you could think of a linear graph for this. The base year would be 1994. The first point is at (0,2523) while the second point is (2,2891). The slope would be

m = (2891 - 2523)/(2-0) = 184

The slope-intercept form is y = mx + b. Let's substitute (0,2523) to the equation such that
2523 = 184(0)+b
b = 2523

Hence, the equation of the linear graph is y = 184x + 2523. Now, at 2006, x = 2006 - 1994 = 12 years.

y = 184(12) + 2523 = 4,731 students

A truck driver travels 55 km in 1 hour he then drives a speed of 35 km/h for two hours next he drives 175 km in three hours. what was his average speed?

Answers

first hour = 55 per hour.
= 55

second and third = 35 per hour.
= 70

fourth, fifth and sixth = 175 per hour.
= 525

average speed = (55 + 70 + 525) / 6
= 650 / 6
= 108.33 km per hour

The average speed of a truck driver is 50 km/hr.

Given:

A truck driver travels 55 km in 1 hour he then drives at a speed of 35 km/h for two hours next he drives 175 km in three hours

To find:

The average speed of a truck driver.

Solution:

Distance traveled by a truck driver in 1 hour = 55 km

Speed of a truck driver after in next 2 hours =35 km/hr

Distance traveled by a truck driver in these 2 hours = [tex]35 km/hr \times 2= 70 km[/tex]

Distance traveled by a truck driver in last 3 hours = 175 km

Total distance traveled by truck driver :

[tex]= 55 km + 70 km + 175 km = 300 km[/tex]

Total time taken by the truck:

[tex]=1 hr + 2 hr + 3 hr = 6 hr[/tex]

The average speed of the truck driver:

[tex]=\frac{\text{Total distace covered}}{\text{Total time taken}}\\\\=\frac{300 km}{6 hr}=50 km/hr[/tex]

The average speed of a truck driver is 50 km/hr.

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If we use _______ to build the roof of the house, then the temperature inside the house will remain cooler.

Wood,Clay Brick,Iron,Aluminum,Copper,
Nickel

Answers

clay brick
hope this helped!

Answer:

Wood and clay brick.

Explanation:

If we use wood and clay brick to build the roof of the house the temperature inside the house will remain cooler. As we know wood and clay are non conductor of heat so they not transfer sun's heat inside the room and room remains cooler. On the other hand aluminium, copper and nickel are metals and are good conductor of heat as well they transfer environment's heat inside the room.

What happens when aluminum fills its valence shell?

A. Three electrons are lost, creating Al ^ +3

B. Three electrons are gained, creating Al ^ -3

C. Three electrons are gained, creating Al ^ +3

D. Three electrons are lost, creating Al ^ -3

Answers

i beileve the answer is B

Answer:

Correct answer is B. Three electrons are gained, creating Al ^ -3

Explanation:

Aluminum in its valence shell has 3 electrons, this shell can have a maximun of 6 electrons. Then, to fill its valence shell, 3 electrons must be gained, and then the valence shell would have 6 electrons and would be complete.

If 3 electrons are gained, then Aluminum, would have a charge of -3, since each electron gained gives negative charge to the atom.

Al^ -3  is a ion of aluminum with charge -3.

after brainstorming engineers may refine their ideas by making what???

Answers

I would say they're gathering Data

I hope I helped :)

A force of 20 N acts toward the east. Another force of 27 N acts at the same point toward the west. What is the magnitude and direction of a third force that produces a resultant of 10 N toward the east?

Answers

Since we are working in one dimension (left right or East West), we don't need to worry about angles! It's just simply a matter of adding things up!

First list out all the forces and add negative (-ive) signs to each of the 'west' forces like this.

20 East + (-27 West) + ? = 10 East

so it's easy to see that 20 + (-27) = -7
So to get to 10 from -7 just do the sum to get 17.
Since 17 is not negative it must be in the direction of East.
So the answer is:
Magnitude = 17 N
Direction = toward the East

ASAP HELP!!

If the mass of two objects is increased, what is the effect on the force between them?

The objects repel each other with less force.
The objects attract each other with less force.
The gravitational force between the objects decreases.
The gravitational force between the objects increases.

Answers

The force of gravity between two objects is increased when the mass of objects is increased.

Answer:

C- The gravitational force between the object decreases.

Explanation:

Explanation

close

Gravity is the force of attraction between all masses in the universe.

The magnitude of a gravitational force depends on

the masses of the objects

the distance between the objects

The gravitational force between two bodies decreases as their masses decrease.

two examples of ways that physicists model the physical world

Answers

Answering the question, three examples of ways that physicists model the physical world include:

DiagramsEquations Computer simulations

Computer simulations refer to the reproduction of behavior of a system with the use of a computer to simulate the results of a mathematical model that is linked with the system.

Further Explanation

Computer simulations are a tool that is very useful for mathematical modeling in various natural systems in physics.

Physicists write the rule of our universe using equations. Equations are an aspect of one of the models used by physicists to explain a particular situation.

Physicists use a diagram to convey information. It is a symbolic representation of information with the use of visualization techniques. Diagram provides other means for people to better understand information and process its importance.

Physics predictions about the physical world mainly depend on numerical stimulation, mathematics and empirical observations and Physicists models the physical world based on invariances and laws which are built on mathematical models.

The purpose of physics is to explain or describe everything around us. It described virtually everything around us accurately by deploring the law of physics.

However, physics is considered a natural science because it is based on mathematical analysis which is geared towards findings qualitative physical law for the physical world.

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KEYWORDS:

physicistsphysicsmodelsphysical worldcomputer simulationsdiagramsequations

We have that

Two examples of ways that physicists model the physical world is Through

Equations  FormulationsDiagrams

From the question we are told that

Two examples of ways that physicists model the physical world

Generally

We First define a  Physicists

A physicists is a Scientist,A Physicists is a Scientists that deals meanly on the Discipline of Physics

The Discipline of Physics deal with the interaction between matter and energy and Understanding the working principle of Nature

Therefore

Two examples of ways that physicists model the physical world is Through

Equations  FormulationsDiagrams

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What Is the mass of 7.50 mol of uranium

Answers

Moles x Mol mass = mass. 
Having looked it up, the mol.mass of U-238 is 238.03g/mol. 
7.50 moles x 238.03g/mol. = 1,785.23g/mol

Final answer:

The mass of 7.50 moles of uranium is 1785.375 g, calculated by multiplying the molar mass of uranium (238.05 g/mol) by the number of moles (7.50).

Explanation:

The question seeks to find the mass of 7.50 moles of uranium. Considering the molar mass of uranium, specifically isotope U-238 which is commonly referred to in problems regarding uranium mass calculations, is 238.05 g/mol. To find the total mass of 7.50 moles of uranium, we use the formula:

Mass = molar mass × number of moles

Thus, the mass of 7.50 mol of uranium is:

238.05 g/mol × 7.50 mol = 1785.375 g

This calculation plainly demonstrates how the molar mass of a substance can be utilized to find the mass of a given number of moles of that substance, an essential concept in chemistry, especially in the field of nuclear chemistry where isotopes such as uranium are frequently discussed.

psychoanalytic theory originated with

Answers

Sigmund Freud. He is also the father of psychoanalysis.
Final answer:

Psychoanalytic theory originated with Sigmund Freud and is a key concept in psychology.

Explanation:

The psychoanalytic theory originated with Sigmund Freud, an Austrian neurologist. Freud developed this theory in the late 19th and early 20th centuries and it became one of the most influential and widely known theories of psychology. According to psychoanalytic theory, behavior is driven by unconscious processes and childhood experiences play a significant role in shaping adult personality and behavior.

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an atom's mass number equals the number of

Answers

Answer:

2

Explanation:

The moon's phases are caused by (4 points)

A.the alignment of the planets

B.the alignment of the Earth, moon, and sun

C.eclipses of the sun

D.planets moving across the face of the moon

Answers

im pretty sure its b 

The answer is B. The alignment of the moon, earth, and sun.

What type of electromagnetic wave can be used to transmit information?
(A)radio wave only
(B)microwave only
(C)neither a radio wave nor a microwave
(D)both a radio wave and a microwave

Answers

Radio wave only would be the answer.

Both radio waves and microwaves can be used to transmit information, employing their electric and magnetic fields to carry signals for various communication technologies.

The type of electromagnetic wave that can be used to transmit information includes both radio waves and microwaves. These are just two categories within the electromagnetic spectrum which is employed for data transmission. Electromagnetic waves consist of both an electric field and a magnetic field that travel perpendicular to each other and are used in various technologies such as AM and FM radio, cell phones, and microwave ovens. Radio waves have longer wavelengths and are widely used for communications such as audio signals for radios, while microwaves have shorter wavelengths and are often used for high-speed data transmission like in WiFi networks.

Which of the following states of matter has no definite shape but does have a fix volume

Answers

A Liquid changes it’s shape to fit in the container but keeps the same volume. the answer is liquid.

a solid

b liquid

c gas

d plasma

B: Liquid is the correct answer

Your friend Amanda suffers from a condition that reduces her blood's ability to carry oxygen.which of the following is the name of the condition?

Answers

Amanda might be suffering from a disease called Sickle Cell Anemia. It is an inherited red blood cell disorder.

Is there a point at which no more sodium and chloride ions will dissolve? How do you know?

Answers

Yes, this is the saturation point. For sodium chloride, the saturation concentration in pure water is relatively high - you can dump a lot of salt into water before it will precipitate out as a solid at the bottom of the container.

Can someone explain subshell/electron configuration to me?

Answers

There are four layers of these electrons are, s, p, d, and f.

Each one has a certain number of shells, in different shapes, that can hold two electrons.

S- Has one shell, shaped like a circle, so in total can hold 2 electrons.

P- has three shells, shaped like an infinity symbol, so in total can hold 6 electrons

D- has five shells, shaped, err, dunno how to describe it, can hold 10 electrons.

F- has 7 shells, um, even more dunno how to describe it, can hold 14 electrons

There doesn't only have to be one of each shell though. There can be two S levels, and one P level, and no D or F levels.

(search up electron configuration it'll have a chart of the order in which these come in)

Each layer will be stated as Number layer electron number.

For example, the first layer of electron level would be 1, because it's the first layer, S, because that's what the first layer is, and if it was completely filled, 2.

So, 1s2.

If you were going to add another level, which would also be a S level, but it only has one electron, you would say:

2s1,

because it's the second s level and has one electron in it.

And to put the two together, just say:

1s2, 2s1

NOTE: if you were going to add another level, it would be a P level, but it wouldn't be 3p something, it would be 1p something because it is the first electron level.

Another note: if you have three layers of electrons, or just six electrons, you would just say 1p6. (because the P orbital can hold 6 electrons)

Hope this helped!

PLZZZZ HELP!!!! What is unusual about organisms in the domain Archaea?


A. They are very large.
B. Their rate of reproduction is very fast.
C. They are complex, multicellular organisms.
D. They live in extreme environmental conditions.

Answers

D.
They can live in the smallest areas that no other life form can live in
D. They live in extreme conditions

Archaea are prokaryotic organisms that are adapted to live in the most extreme of environments where no other organisms have the ability to survive. The group of archaea that are adapted to extreme environments such as geysers, cold, alkaline and acidic conditions are known as extremophiles. 

What are the two factors that determine a material's density?

Answers

Mass and volume are the 2 factors to determine density
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