Answer:
When the temperature and pressure of a rock undergoing metamorphism changes. the composition of water allows materials to move more easily, the presence of fluids makes metamorphism more easy.he fluid changes also.
Explanation:
Answer:
It can have elevated concentrations of dissolved substances
Explanation:
Cause I happened to know
A ray diagram is shown.
Which letter represents the location of the image produced by the lens?
W
X
Y
Z
The image produced by the lens would be where the two lines cross, which would be Z.
Answer:
Z
Explanation:
When the two refracted rays meets actually or virtually, then the image is formed at the intersection point.
here two refracted rays actually meet at Z, so the image of the tree is formed at Z.
In image formed is real as the two refracted rays meet actually.
The image is inverted and large in size.
When this circuit is closed, which way do the electrons flow?
- from the negative end of the battery through the capacitor through the resistors to the positive end
- from the positive end of the battery through the resistors through the capacitor to the negative end
- from the positive end of the battery through the capacitor through the resistors to the negative end
- from the negative end of the battery through the resistors through the capacitor to the positive end
Answer:
from the positive end of the battery through the capacitor through the resistors to the negative end...
Current flows from higher potential (+) to lower potential (-)..
Answer:
- from the negative end of the battery through the capacitor through the resistors to the positive end
Explanation:
Here we know that battery is used to apply constant potential difference which will help to provide potential energy to the electric charge.
Now this charge will use this electric potential energy to move through higher potential region to lower potential region
here positive charge will always move from higher potential region to lower potential region while electron will move in opposite sense. So electron will always flow from lower potential point to higher potential point as it is negatively charged
so here the electron will start from negative terminal of battery and then goes to capacitor and then resistors and then finally move to positive terminal of the cell.
A little boy is being pulled in a wagon by his mother. Suddenly, the little boy's mother stops to watch for cars before she crosses the street. The little boy's body continues to move forward in the stopped wagon until his feet push against the front of the wagon. The forward movement of the boy's body shows
Answer:
inertia
Explanation:
The correct answer is B) Newton's law of inertia. The forward motion of the boy's body after the wagon stops illustrates Newton's law of inertia, which states that an object in motion stays in motion unless acted upon by an external force. This example shows how inertia works in everyday situations.
The forward movement of the boy's body as the wagon stops illustrates Newton's first law, often called the law of inertia. According to this law, an object in motion will remain in motion unless acted upon by an external force. In this case, the boy's body continues moving forward even though the wagon has stopped, demonstrating his inertia.
Correct Question : content loaded
A little boy is being pushed in a wagon by his mother. Suddenly, the little boy's mother stops to watch for cars before she crosses the street. The little boy's body continues to move forward in the stopped wagon until he tumbles out. The forward movement of the boy's body shows – *
A) Newton's law of gravity.
B) Newton's law of inertia.
C) Newton's law of force and acceleration.
D) Newton's law of action-reaction.
Which property allows objects that do not produce their own light to be seen?
Answer:
reflection
Explanation:
Objects that do not produce their own light, reflect light when the light is shone on them.
hope this helps :)
Identify a wave that speeds up when it passes from air to water as well as one that slows down
Answer:
A sound wave speeds up as it passes from air to water. A light wave slows down as it passes from air to water.
Explanation:
Sound waves are the type of mechanical waves, which are formed due to the vibrations of the particles of the medium. The sound waves are longitudinal in which particle moves opposite to the energy transport.
The characteristic of sound waves include:
The wavelength, period, frequency, and amplitude are the characteristics of the sound waves.
The sound waves will travel faster in the water as compared to air because the molecules in the water are tightly packed which resulted in the transmission of sound waves faster.
Thus, the sound waves will travel in the water faster than the air because water is denser, and sound waves travel faster.
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What is the purpose of a capacitor
Answer: It maintains proper voltage in a circuit.
.Explanation:
Reservoir capacitors are used in power supplies where they smooth the output of a full or half wave rectifier. They can also be used in charge pump circuits as the energy storage element in the generation of higher voltages than the input voltage.
Final answer:
A capacitor is a device used to store electric charge and energy. It can filter electrical fluctuations and supply power, which makes it essential in various electronic devices and circuits.
Explanation:
Purpose of a Capacitor
The primary purpose of a capacitor is to store electric charge and electrical energy. Capacitors are used in various applications, such as filtering static from radio reception, supplying power to circuits, like in pacemakers and defibrillators, and in everyday electronics like cell phones and computers. They consist of two conducting parts, known as plates, that are placed close to each other but are not touching; usually, an insulator or dielectric is between them. When connected to a battery, a capacitor charges up by having equal but opposite charges on its plates, effectively storing energy that can be released later. An excellent analogy for understanding a capacitor's filtering ability is that of a water bucket, which can provide a steady flow of water for watering a garden, despite intermittent supply through a hose, analogous to how capacitors filter out fluctuations in electrical current.
When combined with other circuit elements, capacitors can also act as filters to allow some electrical signals to pass while blocking others. They are thus considered one of the fundamental components in electrical circuits.
As temperature of this substance rises from 20°C to 50°C, the substance _______ heat and its kinetic energy _________ .
Answer:
absorbs heat and its kinetic energy increases.
Explanation:
As we know that heat is defined as the change in the temperature as there is increase in the temperature change then the heat will increase or decrease with respect to increase or decrease in temperature change.
In the given, question temperature is changing from 20° to 50° which means there is increase in the temperature which results in the absorption of heat. And increase temperature will increase the average speed of the molecules which results in increase in kinetic energy.
HELP ASAP! GIVING BRAINLIEST. 29 POINTS
Which form of energy does hit steam and air moving upward from a pot have? Kinetic or potential energy
Answer:
Kinetic
Explanation:
Because Kinetic is an energy in motion, while on the other hand Potential is stored up energy. So if the steam is moving up (or the air is moving upwards) then it is Kinetic.
Answer:
So it would be kinetic cos, it's in movement
Explanation:
potential energy is like sitting at the top of a hill on a roller coaster, once the roller coaster drops from the hill, it's kinetic energy cos, it's using the potential energy to move itself.....ya know?
what kind of image is formed when the image distance is positive? what kind of image is formed when the image distance is negative?
When the image distance is positive, the image is on the same side of the mirror as the object, and it is real and inverted. When the image distance is negative, the image is behind the mirror, so the image is virtual and upright. A negative m means that the image is inverted. Positive means an upright image.
When the distance is positive, real image is produced. When the distance is negative, virtual image is produced.
Explanation:
Image distance is the distance between the object to the lens of the mirror. When the image distance is positive, it means that the real image is produced in the mirror. When the image distance is negative, it means that the virtual or diminished image is produced in the mirror.
NEED DONE ASAP ILL GIVE 25 points AND BRAINLIEST HURRY UP BEFORE 330
Question 1(Multiple Choice Worth 3 points)
The table below lists types of credit.
Types of Credit
Service credit
?
Installment credit
Credit card
Which term best completes the table?
Loan
Interest
Check
Debit
Question 2(Multiple Choice Worth 3 points)
What is credit?
Money paid to a bank or other financial institution to open an account
Money paid to the U.S. Treasury or Federal Reserve Bank to support the government
An arrangement where a buyer obtains a good or service and pays for it all at once
An arrangement where a buyer obtains a good or service but pays for it later or over time
Question 3(Multiple Choice Worth 3 points)
Which of the following makes a true statement about the relationship between government and financial institutions?
Government and financial institutions do not interact with each other.
Financial institutions like the U.S. Treasury must approve increases in the government deficit.
Government can pass laws to limit what financial institutions can charge in interest and fees.
Financial institutions like local banks must approve interest rates set by the Federal Reserve.
Question 4(Multiple Choice Worth 3 points)
Jessica thinks that everyone would be better off if financial institutions stopped issuing credit. Which statement accurately supports her argument?
People would pay less in interest fees.
People would have greater protection in case of emergencies.
People would need to save for many years to buy a home or open a business.
People would support the economy through purchases of more goods and services.
Question 5(Multiple Choice Worth 3 points)
What is a benefit of a person borrowing money to start a business?
The business can help grow the economy and create jobs.
The business is more likely to earn greater profits faster.
The loan is less expensive than using cash.
The loan is likely to be paid off quickly.
Question 6(Multiple Choice Worth 3 points)
How can the U.S. government control financial institutions?
Voting on a new budget
Loaning money to state governments
Borrowing money from a foreign bank
Passing laws for credit card companies to follow
Question 7(Multiple Choice Worth 3 points)
What is one role of the U.S. Treasury?
Approve the federal budget
Approve federal deficits
Issue securities
Issue personal loans
Question 8(Multiple Choice Worth 3 points)
What is one role of the Federal Reserve?
Issue business loans directly to American companies to encourage economic growth
Control the market for securities to help encourage or slow economic growth
Provide banking services for federal employees
Approve increases to the federal deficit
The term best completing the types of credits is 'Loan'. Credit is when a buyer obtains something but pays later or over time. The government can control financial institutions by passing laws for them to follow.
Explanation:AnswerOption a. The term that best completes the table under type of credits is 'Loan'.Option d. Credit is described as an arrangement where a buyer obtains a good or service but pays for it later or over time.Option c. The relationship between government and financial institutions can be correctly stated as: Government can pass laws to limit what financial institutions can charge in interest and fees.Option a. The statement that supports Jessica's argument that everyone would be better off if financial institutions stopped issuing credit is, 'People would pay less in interest fees'.Option a. A benefit of a person borrowing money to start a business is, 'The business can help grow the economy and create jobs'.Option d. The U.S. government can control financial institutions by, 'Passing laws for credit card companies to follow'.Option c. One role of the U.S. Treasury is to, 'Issue securities.'Option b. A role of the Federal Reserve is to, 'Control the market for securities to help encourage or slow economic growth'.Learn more about Financial Institutions and Credit here:https://brainly.com/question/31710522
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Which property of a circuit is equal at every point on a parallel circuit?
Answer:
Voltage
Explanation:
In a parallel circuit, electric current has more than one path to flow and the loads are parallel to each other.When one of the loads( bulb) is malfunctioning, current still flows in the other path to serve the remaining loads.The voltage is the same in every part of a parallel circuit.This is because the difference in potential at the start of the circuit equals that at the end of the circuit.
metals in group 1 on the periodic table most commonly form which type of ion
Answer:
Group 1 - the alkali metals. The Group 1 elements in the periodic table are known as the alkali metals.
Explanation:
Final answer:
Group 1 metals on the periodic table commonly form 1⁺ cations by losing their single valence electron.
Explanation:
The metals in group 1 on the periodic table most commonly form 1⁺ cations. This is because they have one valence electron in their outer shell, which they tend to lose to achieve the stable electron configuration of a noble gas. The loss of this single electron results in a positive charge of +1. Notably, all ions made from alkali metals, which make up the first column of the periodic table, exhibit this charge. Unlike metals in the groups 3-12, which can form multiple ion charges, group 1 metals have a consistent ion formation, making it easier to predict their behavior in chemical reactions.
Is this a boy or a girl
I believe that it is a boy but if they would like to be classified as a girl or a boy their decision needs to be respected
A wave hits the beach about every 2.0 seconds on a calm day. If it crests are 5.00 meters away from each other, what is the speed of the wave
Answer:
2.5 m/s
Explanation:
The speed of a wave is given by:
[tex]v=f\lambda[/tex]
where
f is the frequency
[tex]\lambda[/tex] is the wavelength
The wave in this problem hits the beach about every 2.0 seconds: this means that its period is 2.0 s. So the frequency is the reciprocal of the period
[tex]f=\frac{1}{2.0 s}=0.5 Hz[/tex]
The crests are 5.0 m away from each other, so the wavelength is
[tex]\lambda=5.0 m[/tex]
Therefore, the speed of the wave is
[tex]v=(0.5 Hz)(5.0 m)=2.5 m/s[/tex]
Which system of measurement has been standardized worldwide for scientific uses?
A.the English system
B. The French system
C. The Arabic system
D. The Systeme international
The International System of Units (SI) is used in almost every country in the world (except Burma, Liberia and the United States).
This system was created in 1960 by the 11th General Conference of Weights and Measures in France and is made up of seven basic units:
-Ampere (electric current)
-Kelvin (temperature)
-Second (time)
-Meter (length)
-Kilogram (mass)
-Candela (luminous intensity)
-Mol (amount of substance) *added to the system in 1971
Plus an unlimited number of derived units from the main ones.
Answer:
the systeme international
Explanation:
3. As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Answer:
As an object’s temperature increases, the Rate at which it radiates energy increases.
An increase in temperature of the object’s, increases the RATE that radiates energy.
Explanation:
The difference in the temperature of the object is the main reason for transfer of heat energy from one to the other. The overall average of kinetic energy produced by the particles that exits in a substance is known to be temperature.
The temperature may be either cold or hot. When there is a rise or increase in an object's temperature, there will be an increase in rate at which it radiates or emits energy. The molecule in the object moves when it gets heated.
What does the pressure exerted by a gas depend on
Answer:
Explanation:
The amount of gas, the volume, and the temperature.
what happens when light is scattered?
Answer:
When light is scattered, It reflects in many different directions, think about sunlight reflecting off the clouds.
Answer:
The correct answer is it is redirected as it passes through a medium.
Explanation:
When light is scattered it means that it passes through a medium, deviates from its path and is redirected. An example of this is sunlight when it passes through clouds.
The particles and molecules that pass through the clouds are called dispersers.
There is a type of selective scattering where such particles have a tendency to scatter a specific type of light wave. While another type of scattering is who makes the clouds white because the light is scattered when it enters the water droplets that form the clouds, letting our eyes perceive the clouds as white.
What is used as evidence for sea-floor spreading?
Answer:
Sea-floor spreading occurs in the oceanic ridges. In there, volcanic activity, together with the gradual movement of the bottom, form new oceanic crust. This allows a better understanding of the continental drift explained by the theory of plate tectonics.
The greatest evidence for Sea-floor spreading is the oceanic trenches, the oceanic ridges, the magma protruding to the surface and the new seafloor.
In previous theories, continents were assumed to be transported across the sea. Harry Hess, in the 1960s, proposed the idea that the seabed itself moves as it expands from a central point. The theory is now accepted, and the phenomenon is thought to be caused by convection currents in the upper layer of the mantle.
Answer:
magnetic reversal
Maintaining eye contact is important when speaking as well as listening?
True or false
true, it is very important to give the person talking your full attention. poor eye contact can show lack of interest or signs you aren’t paying attention.
True. When speaking to someone, it’s important to make eye contact to show confidence in what you are saying. It’s also good to make eye contact when someone is talking to to you to make it clear that you are listening. It also makes you look more professional. Hope this helps :)!
Why does the reactivity of elements increase moving from left to right on the periodic table?
A) Atoms of elements more easily let go of their valence electrons
B) atoms of elements are closer to filling their valence shell with electrons
C) the valence shells of each
elements atoms get smaller
Pick one
Answer:
C.) the valence shells of each elements atoms get smaller
Explanation:
I did the test and got it right
Answer:
Atoms of elements are closer to filling their valence shell with electrons.
Explanation: i did the test and got it correct
The highest point of a transverse wave is called the _____.
zenith
peak
summit
crest
Answer:
The answer is Crest just learned it in science.
Explanation:
In a transverse wave, the particles of the medium move perpendicularly to the direction of the wave. The highest point of such a wave is referred to as the crest.
Explanation:In a transverse wave, particles of the medium move in a direction perpendicular to the direction of the wave. The highest point of a transverse wave is called the crest. It's opposite, the lowest point, is called the trough. For example, if we were to observe a wave in the ocean, the crest would be the highest point the water reaches and the trough would be the lowest point.
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Under normal conditions of temperature and pressure, the gaseous state of a liquid is called _______.
A. vapor
B. water
C. smoke
D. ice
The gaseous state of a liquid is called as vapor under normal conditions of temperature and pressure.
Answer: Option A
Explanation:
Vapor is a form of substance floating in air where increasing or decreasing the temperature and pressure changes the state of the substance into gas or liquid.
For example : consider water where heating it to the boiling point makes it as water vapor and reducing its temperature makes it as ice.
Under normal conditions of temperature and pressure, the gaseous state of a liquid is called vapor. The correct answer is A.
When a liquid is heated or its pressure is reduced, the kinetic energy of its molecules increases, causing them to gain enough energy to overcome intermolecular forces and transition into the gaseous state. This gaseous form of a substance, while retaining the same chemical composition as the liquid, is called vapor.
Let's examine why the other options are not true:
B. Water: Water specifically refers to the liquid state of H2O molecules. While water can exist as a liquid, solid (ice), or gas (water vapor), under normal conditions, the gaseous state of a liquid is referred to as vapor rather than water.
C. Smoke: Smoke is not the gaseous state of a liquid. It typically consists of tiny solid particles or liquid droplets suspended in the air, resulting from the incomplete combustion of organic matter. Smoke is not directly related to the gaseous state of a liquid substance.
D. Ice: Ice refers to the solid state of water. It is the result of the cooling and freezing of liquid water molecules. Ice is not related to the gaseous state of a liquid substance.
Therefore, under normal conditions of temperature and pressure, the gaseous state of a liquid is called vapor. While water refers to the liquid state, smoke is not directly related, and ice represents the solid state of a liquid substance.
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When a plastic ball is rubbed with fur, the plastic ball attracts a positively charged pith ball. When a glass rod is rubbed with fur, the glass rod repels the same pith ball. Based on these two observations, which of these will MOST LIKELY gain electrons more readily? A) fur B) glass C) plastic D) plastic and glass
Answer:
C) plastic
Explanation:
We know that like charges repel each other and unlike charges attract each other. When plastic ball is rubbed with fur, it could attract a positively charged pith ball. This means that the plastic ball gained electrons from the fur and became negatively charged.
When a glass rod is rubbed with fur, it could repel the same positively charged pith ball. This means glass rod lost electrons to the fur and became positively charged.
From this, we can conclude that most likely plastic could readily gain electrons.
c)
From the first observation, we can infer that the plastic ball has become negatively charged (it attracted a positively charged pith ball). From the second observation, we can infer that the glass rod became positively charged (it repelled the positively charged pith ball). This also implies that plastic will become more negatively charged than a glass rod if both are rubbed together. In other words, plastic gains electrons more readily
based on the information in the graph which region is expected to have the least population growth from 2000 to 2020
a. europe
b. australia
c. asia
d. africa
Answer:
A
Explanation:
The region with the least population growth will have the shallowest line. That would be Europe. Between 2000 and 2020, the line is basically flat, while the others are rising.
Answer is A.
Answer:
A is the answer
Explanation:
<3
what is genetic energy and what is potential energy
Answer:
Kinetic energy is energy that to being used or in motion while potential energy is energy being stored which is later turned into Kinetic energy
Explanation:
Scientists define energy as the ability to get work done. The work can be anything from breathing to riding a bike to taking a nap. All energy can be in one of two states: potential or kinetic.
Potential EnergyPotential Energy is stored energy that is ready to go. A race car at the starting line of a race, a bicycle on top of a hill, and students waiting to go home from school are all examples of potential energy.
Kinetic EnergyKinetic Energy is energy at work. A race car speeding around a corner, a bicycle rushing down a hill, and students running home from school are all examples of kinetic energy.
An atom has no electrical charge because _____.
the number of protons is equal to the number of neutrons
the number of neutrons is equal to the number of electrons
the number of protons is equal to the number of electrons
Answer:
C or the last choice.
Explanation:
The number of electrons (which have a minus charge) have the same charge as the number of protons (which have a plus charge) but opposite in sign as the protons.
So to take the very simplest example, hydrogen has 1 proton and 1 electron. The proton is 1+ and the electron is 1-. Together they cancel. No charge. If this were not true, everytime you picked something up if the charges were unbalanced, they would shock you to death literally.
The answer is the number of protons = the number of electrons. Neutons have nothing to do with it.
Answer:
The correct answer is the number of protons is equal to the number of electrons.
Explanation:
Through which of the following will a light wave travel the fastest
A. Air
B. Outer space
C. Water
D. Glass wall
Answer:
It will travel through outer space the fastest.
B. Outer Space.
The light will have the fastest velocity when it travels through air or vacuum.
Answer: Option A
Explanation:
Light waves travel fastest through a vacuum and air, and slower through other materials such as glass or water. In air, light waves travel fast because here the refraction phenomenon, light bending cannot be explained by the fact that light travels in different materials at changing speeds. But, it can be clearly seen in the case of glass or water.
Light's velocity (vacuum and air) = 273,400 mph or 300 million m/s.
Light’s velocity (water) = 205,600 mph or 226 million m/s.
Light's velocity (glass) = 182,300 mph or 200 million m/s.
8. A person with a mass of 15 kg is walking on a flat surface at a velocity of 5 m/s. What is the walker's momentum?
Answer: The correct answer is 75 kg m/s.
Explanation:
The expression of the momentum in terms of velocity and mass is as follows;
p=mv
Here, m is the mass of the object and v is the velocity.
It is given in the problem that a person with a mass of 15 kg is walking on a flat surface at a velocity of 5 m/s.
Calculate the walker's momentum.
Put m= 15 kg and v= 5 m/s in the above expression.
p=(15)(5)
p= 75 kg m/s
Therefore, the momentum of the speedboat is 75 kg m/s.
Which two devices use electromagnets to work? A.insulator b.compass c.motor d.generator
Answer: The two devices are motors and generators.
Explanation: An electromagnet is a type of magnet that works when the flow of an electric current activates the magnetic field.
Final answer:
Electric motors and generators both utilize electromagnets to function, with motors converting electrical to mechanical energy, and generators doing the opposite.
Explanation:
Electromagnets are essential to the workings of both electric motors and electric generators. In an electric motor, a current-carrying coil positioned in a magnetic field experiences forces that produce torque, causing the motor to rotate. Conversely, in an electric generator, mechanical work is converted into electric energy by rotating a coil within a magnetic field, which induces electromotive force (EMF) through electromagnetic induction.