I say a subsidy because the government is controlling how many cows they have.
Answer:
Subsidy
Explanation:
When a government pays ranchers to reduce the number of milk cows they have, it is known as a subsidy.
Subsidy is an incentive given by a government in form of cash or raw materials in order to achieve a common goal.
It might be to increase production of certain commodities or phase out a particular product in the market.
The subsidy helps in paying part of the production costs
a computer's power supply converts mains ac to low-voltage regulated dc power for the internal components of a computer. you are building a new computer. you are deciding which type of power supply to install. which of the following definitions best describes a valid type of power supply?
In order to prevent overloading of any circuit, dual rail electrical supply includes independent tracks and P C B traces that are used to offset voltage sags between various circuits.
Using conductive paths, tracks, or signal traces etched from copper sheets laminated onto a non-conductive substrate, a printed circuit board, or PCB, is used to mechanically support and electrically link electronic components.
Semiconductors are used by practically all inverters to generate a controlled power output. An input voltage is rectified if the source has an ac input.
It is, therefore, the proper response.
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The first step in the problem solving process is to: A. brainstorm solutions to the problem B. generate and research ideas C. make a model or prototype D. identify the problem.
the first step in the problem solving process is to identify the problem this is the case. Identifying the problem is a considered the first step in the problem solving process because it lays the foundation for the rest of steps Without a clear understanding of the problem.
it is difficult to come up with effective solutions. Brainstorming solutions or generating ideas without a clear problem definition may lead to wasted time and resources. Additionally, making a model or prototype and researching ideas are steps that come later in the process and are dependent on a clear problem statement identifying the problem is crucial in order to have a successful problem solving process. Once the problem is identified, then brainstorming solutions, generating ideas, making a model or prototype, and researching ideas can be used to effectively solve the problem.
The initial step in any problem-solving process is to identify the problem. It's crucial to recognize and clearly define the issue before moving on to other steps like brainstorming solutions, generating and researching ideas, or making a model or prototype. Identifying the problem is the first step because it sets the foundation for the rest of the process. Once the problem is identified, it becomes easier to brainstorm solutions (A), generate and research ideas (B), and make a model or prototype (C) that can help address the problem. Without a clear understanding of the problem, it would be challenging to develop effective solutions.
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Design an experiment to separate the components of a mixture of two solids - Sodium chloride and Sucrose. Both compounds are soluble in water, but Sucrose is much more soluble in an organic solvent (Dichloromethane) than water. Sodium chloride does not dissolve in dichloromethane.
By utilizing a funnel filter made of Sodium chloride salt as a filtration method. The organic solvent will be evaporated using the rotary evaporation method, leaving the sucrose behind.
Where is HCl found in the body?All plants naturally generate sugar, the well-known and adored simple carbohydrate, also called by its chemical formula, sucrose. This includes fruits, veggies, and even nuts. Plants including berries, vegetables, and nuts naturally contain sugars like glucose in various amounts. Sucrose is also commercially generated from sugar cane and beets.
What is HCl used for in everyday life?According to a research, ingesting "natural" sugar might be just as bad for your health as consuming high- fructose corn syrup. Sucrose, a carbohydrate, provides the energy your body needs to perform both mental and physical work. Your body converts foods like starch and sucrose into glucose and fructose during digestion. Your body breaks down food to provide your cells energy. Reduce the fructose and glucose down.
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Fuel crises will occur in future because of a. over use of petroleum
b. use of solar energy
c. over use of bio-gas
d. use of hydro-energy
A5 kg football is launched 45 degrees above the horizontal at a speed of 26 m/s.
What is the time of flight for the football from the point it left the ground until it hit the ground?
How to calculate displacement, velocity, acceleration.
The muscular system consists of exclusively this kind of tissue.
A.skeletal muscle
B.the muscular system is comprised of all types of muscle tissue
C.smooth muscle
D.cardiac muscle
Skeletal muscle tissue, connective tissue, nerve tissue, and blood or vascular tissue make up each muscle and organ. Thus, any form of tissue may be found in the muscular system.
The muscular system is made up of cells with particular functions called muscle fibers. Its primary trait is its capacity to contract. Things are moved by muscles that are connected to blood vessels, internal organs, or bones. Almost all body movement is primarily caused by muscle contraction. The whole skeletal muscle is a component of the muscular system.
The bulk of the organs that make up muscles are muscle cells, also known as muscle fibers or monocytes (primarily in skeletal and cardiac muscle) (mainly in smooth muscle).The muscles around the stomach help food move through the digestive system by contracting and pushing food to the small intestine through a process known as peristalsis.
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A solenoid with a length of 6.5 cm and 200 loops is carrying 5 A of current. What is the
strength of the magnetic field at the center of the solenoid? Label the north and south pole of
the solenoid.
The strength of the magnetic field at the center of the solenoid is 0.006 T
Magnetic field calculation.
The strength of the magnetic field at the center of a solenoid is given by:
B = μ₀ * n * I
where B is the magnetic field strength, μ₀ is the permeability of free space, n is the number of turns per unit length of the solenoid, and I is the current flowing through the solenoid.
In this case, the length of the solenoid is not given, but we can assume that it is much greater than the diameter of the solenoid, so we can treat it as a long solenoid. The number of turns per unit length is given as 200 loops divided by the length of 6.5 cm, or:
n = 200 / 0.065 m = 3076.92 turns/m
The current flowing through the solenoid is 5 A.
The permeability of free space, μ₀, is a constant with a value of 4π x 10^-7 T m/A.
Therefore, the magnetic field strength at the center of the solenoid is:
B = μ₀ * n * I
= 4π x 10^-7 T m/A * 3076.92 turns/m * 5 A
= 0.006 T
So the strength of the magnetic field at the center of the solenoid is 0.006 T. The north pole of the solenoid is the end from which the magnetic field emerges, and the south pole is the end where it enters.
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if the torque required to loosen a nut that is holding a flat tire in place on a car has a magnitude of 46 N*m, what minimum force must be exerted by the mechanic at the end of a 21 cm-long wrench to loosen the nut? answer on units of N.
Hi there!
Recall the equation for torque:
\(\large\boxed{\Sigma \tau = rF}\)
∑τ = Net Torque (Nm)
r = lever arm (m)
F = Force (N)
Rearrange to solve for force:
\(F = \frac{\tau}{r}\)
Plug in the givens:
\(F = \frac{45}{0.21} = \boxed{219.05 N}\)
How dose a scientific theory differ from a hypothesis?
Answer:This is the Difference Between a Hypothesis and a Theory. ... In scientific reasoning, a hypothesis is an assumption made before any research has been completed for the sake of testing. A theory on the other hand is a principle set to explain phenomena already supported by data.
Explanation:
while at rest on a hillside, army the armadillo rolls up into a ball. as a result, they begin to roll down the hill. at a certain moment during the roll, their gravitational potential energy has decreased by 40 j, and their translational kinetic energy has increased by 15 j. by how much has their rotational kinetic energy changed?
The rotational kinetic energy of the armadillo has increased by 25 joules.
This is because the armadillo is rolling down the hill, which means that it is rotating around its center of mass. As it rolls, it is converting its gravitational potential energy into translational and rotational kinetic energy.
Since the gravitational potential energy has decreased by 40 joules and the translational kinetic energy has increased by 15 joules, the remaining 25 joules must have been converted into rotational kinetic energy. This means that the armadillo's rotational kinetic energy has increased by 25 joules.
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7. Two bikes travelling in the same direction move at a speed of 30 km/hr. The bikes are separated by a distance of 5 km. What would the speed of the car travelling in the opposite direction be if it meets these bikes at an interval of 4 minutes?
Answer:
Explanation:
Call the bike on the right A
Call the bike on the left B
The car begins it's time when it passes A
4 minutes later, it passes B.
But B has moved in 4 minutes and that is the key to the problem.
How far has B moved.
t = 4 minutes = 4/60 hours = 1/15 of an hour.
d = ?
rate = 30 km / hr
d = r * t
d = 30 km/hr * 1/15 hours = 2 km
The distance between the bikes is 5 km.
So the car has traveled 5 - 2 = 3 km
d = 3 km
r = ?
t = 4 minutes = 1/15 hour
r = d/t = 3/(1/15)= 3 / 0.066666666 = 45 km/hr.
A roller coaster moves slowly at the top of a hill and increases as it moves down the hill increasing its kinetic energy. Where did this increasing kinetic energy come from?
a. The people and their belongings in the cars
b. The wind behind the cars
c. potential energy was transformed into kinetic energy
d. kinetic energy was added by a motor pushing the cars
Answer:
d
Explanation:
what is the acceleration of a 10kg mass pushed by a 5N force?
Answer:
0.5 m/s²Explanation:
The acceleration of an object given it's mass and the force acting on it can be found by using the formula
\(a = \frac{f}{m} \\ \)
From the question we have
\(a = \frac{5}{10} = \frac{1}{2} \\ = 0.5\)
We have the final answer as
0.5 m/s²Hope this helps you
what is the curent 4 resistor in the circuit in the prceding illlustration
The current (I) in the 4 ohm resistor in the circuit is 2 A.
Find the current?To determine the current in the circuit, we need to apply Ohm's Law, which states that current (I) is equal to voltage (V) divided by resistance (R): I = V/R.
However, since the question does not provide the voltage value, we cannot directly calculate the current. Additional information is needed.
If the voltage is given, we can use Ohm's Law to find the current. For example, if the voltage across the 4-ohm resistor is 8 volts, the current can be calculated as follows: I = 8V/4Ω = 2A.
Without specific voltage information, we cannot determine the current accurately. It's important to have voltage values or additional details about the circuit configuration to calculate the current correctly.
Therefore, the current flowing through the 4 ohm resistor in the circuit is 2 amperes.
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A 51 cm diameter wheel accelerates uniformly about its center from 150 rpm to 290 rpm in 4.0 s. (A)Determine the radial component of the linear acceleration of a point on the edge of the wheel 1.1 s after it has started accelerating.
Radial component of the linear acceleration = 99.47 m/s^2
Explanations:The diameter of the wheel, d = 51 cm
The radius, r = d/2 = 51/2 = 25.5 cm
r = 25.5/100 = 0.255 m
r = 0.255 m
\(\begin{gathered} N_{i\text{ }}=\text{ 150 rpm} \\ w_i=\text{ 150}\times\frac{2\pi}{60} \\ w_i=\text{ }15.71\text{ rad/s} \end{gathered}\)\(\begin{gathered} N_f=\text{ 290 rpm} \\ w_f=\text{ 290}\times\frac{2\pi}{60} \\ w_f=\text{ }30.37\text{ rad/s} \end{gathered}\)\(\begin{gathered} w_f=w_i+\alpha t \\ 30.37=15.71+4\alpha \\ 4\alpha=30.37-15.71 \\ 4\alpha=\text{ }14.66 \\ \alpha=\frac{14.66}{4} \\ \alpha\text{ = }3.67rad/s^2 \end{gathered}\)At t = 1.1, first calculate the new angular velocity
\(\begin{gathered} w=w_1+\alpha t \\ w\text{ = 15.71+3.67(1.1)} \\ w\text{ = 15.71+}4.04 \\ w\text{ = }19.75\text{ rad/s} \end{gathered}\)The radial component of the linear acceleration is given as:
\(\begin{gathered} a_r=w^2r \\ a_r=19.75^2\times0.255 \\ a_r=\text{ }99.47\text{ m/}s^2 \end{gathered}\)What is electric energy
Answer:
electrons
Explanation:
they go through the wires and power our computer tech
Answer:
Electric energy is a form of kinetic energy.
what can be used to describe electrical energy?
1.energy transferred through the movement of charges
2.kinetic energy of charged bodies in an electric field
3.potential energy stored in a battery
4.energy of light emitted by an electric bulb
energy transmitted by electric current
Electrical energy can be described as the energy transferred through the movement of charges, typically in the form of an electric current
define Electrical energy ?
Electrical energy is a form of energy that results from the movement of electric charges, typically in the form of an electric current. It is the energy that is transferred or converted from electric potential energy, which is the energy stored in a system due to the separation of charges. Electrical energy can be harnessed and used for various purposes, such as lighting, heating, powering electronic devices, and driving motors. It is an essential form of energy in modern society and plays a crucial role in many aspects of daily life.
The correct answer is 1. Electrical energy can be described as the energy transferred through the movement of charges, typically in the form of an electric current. Options 2, 3, and 4 refer to other forms of energy related to electricity but do not fully describe electrical energy itself.
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if a meteor passing by the earth has more kinetic energy then potential energy, what type of orbit will it follow?
Answer: Because energy is conserved an object can’t be “captured” into orbiting a larger object unless there is a way to transfer energy to some third thing. It has to collide, either mechanically or gravitationally, with something and transfer energy to it: another body, a cloud of gas or dust, or something.
The kinetic energy of a body gravitationally interacting changes all the time, regardless of “capture”, as it get closer to another gravitating body it speeds up because energy is conserved and the loss of gravitational potential is compensated by increase in kinetic energy. The closer a comet comes to the Sun the faster it goes. The further away it gets, the slower it goes.
Suppose the peak of a particular star's spectrum occurs at 6000 A (1 A = 10-10 m).
a. Use Wien's law to calculate the star's surface temperature.
b. If this star were a factor of four hotter, at what wavelength would its spectrum peak?
In what part of the electromagnetic spectrum is this peak?
a. The surface temperature of the star is 4830 K.
b. The peak of the star's spectrum occurs at a wavelength of 1500 A. The wavelength falls within the ultraviolet range of the electromagnetic spectrum.
a. According to Wien's law, the peak wavelength (λ) of radiation emitted by a blackbody is inversely proportional to the temperature (T) of the blackbody. The mathematical formula is:λmaxT = 2.898 × 10-3 m K
Here, λmax = 6000 A = 6000 × 10-10 m = 6 × 10-7 mT
herefore, T = 2.898 × 10-3 m K / 6 × 10-7 m = 4830 K.
So, the surface temperature of the star is 4830 K.
b. According to Wien's law, the peak wavelength of radiation emitted by a blackbody is inversely proportional to the temperature of the blackbody. This means that when the temperature of the blackbody is increased, the peak wavelength will decrease.
In this case, if the temperature of the star were four times higher, its surface temperature would be T = 4 × 4830 K = 19320 K.
The peak wavelength of the star can be calculated using Wien's law, λmaxT = 2.898 × 10-3 m Kλmax = (2.898 × 10-3 m K) / 19320 Kλmax = 1.5 × 10-7 m = 1500 A.
The peak of the star's spectrum occurs at a wavelength of 1500 A. The wavelength falls within the ultraviolet range of the electromagnetic spectrum.
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How can the Earth’s movement be explained?
A The Earth cannot spin on its axis and orbit around the Sun at the same time.
B Earth moves one revolution and then moves one rotation around the Sun.
C The Earth spins on its axis, and it orbits around the Sun at the same time.
D Earth stops every one-fourth of a year to shift its axis towards the Sun.
Answer:
C)
Explanation:
Earth's Rotation
Earth spins around its axis, just as a top spins around its spindle. This spinning movement is called Earth's rotation. At the same time that the Earth spins on its axis, it also orbits, or revolves around the Sun. This movement is called revolution.
water flowing through a garden hose of diameter 2.80 cm fills a 21.0 l bucket in 1.30 min. (a) what is the speed of the water leaving the end of the hose?
The speed of the water leaving the end of the hose \({0.405 }\frac{ \mathrm{~m}}{ \mathrm{s}} $$\)
As per the given data in question:
Initial diameter of the hose \(D_1=2.80 \mathrm{~cm}$\)
Volume of the bucket \(\mathrm{V}=21.0 \mathrm{~L}=0.021 \mathrm{~m}^3$\)
Time = 1.30 minutes.
The cross-sectional area of the hose is
\(\mathrm{A}_1=\frac{\pi \mathrm{D}_1{ }^2}{4} \\{A}_1=\frac{\pi\left(2.80 \times 10^{-2} \mathrm{~m}\right)^2 }{4}\\{A}_1=6.16 \times 10^{-4} \mathrm{~m}^2$\)
The volume flow rate
\($\dot{V}=\frac{V}{t}\)
\(=\frac{0.021 \mathrm{~m}^3}{1.30 \times 60 \mathrm{~s}}\\=2.50 \times 10^{-4} \frac{\mathrm{~m}^3}{\mathrm{s}$}\)
Speed over water is only required to be used for collision avoidance and not necessarily for navigation. By using speed over ground, a navigator is more aware of the situation than otherwise. For example, if the ship is drifting towards a danger, navigator will know it better if he has speed over ground in radar.
Then, the speed of the water leaving the end of the hose is
\($$\mathrm{v}_1=\frac{\dot{V}}{\mathrm{A}_1} =\frac{\left(2.50 \times 10^{-4} \mathrm{~m}^3 / \mathrm{s}\right)}{\left(6.16 \times 10^{-4} \mathrm{~m}^2\right)} ={0.405 }\frac{ \mathrm{~m}}{ \mathrm{s}} $$\)
Therefore the value of speed of the water leaving the end of the hose is 0.405 m/s
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The forces exerted by Earth and a skier become an action-reaction force pair when the skier pushes the ski poles against Earth. Explain why the skier accelerates while Earth does not seem to move at all.
Because of the earth's large mass and solid structure, the skier moves but the earth does not.
Why can't the earth be moved?Because the Earth is such a massive body, it cannot be moved by applying force to it. Because it cannot be moved with a small amount of forceThe amount of matter contained in an object is what gives it inertia, or the tendency of matter to remain at rest if at rest, or to continue moving in the same direction at the same speed if moving. The greater an object's mass, the greater its gravitational force.Mass is the quantity that is solely determined by an object's inertia. The greater an object's inertia, the greater its mass. A heavier object is more likely to resist changes in its state of motion. we can conclude that the skier moves but the earth does not due to the large mass of the earth and its solid structure.To learn more about earth refer to :
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when people walked on the moon, they found that they could jump higher than theu could back on earth. why is this true?
Answer:
There is less gravity on the moon
hope this helps
have a good day :)
Explanation:
Actividad
1: En general, la dificultad para arrancar electrones aumenta de izquierda a derecha en cada periodo de la tabla periódica. Busca en la tabla periódica potasio (K), calcio (Ca) y uranio (U) y basándote en sus posiciones indica cuál de ellos tendrá una función de trabajo más baja y cuál más alta:
Menor función de trabajo:
Mayor función de trabajo:
2.- La energía de un electrón emitido se mide en electrón-voltios(eV). Un electrón con una energía de 1 eV puede superar un campo eléctrico de 1 voltio. En el simulador, aumenta la tensión hasta que encuentres la tensión más alta que todavía permite a los electrones llegar al amperímetro.
Tensión =
El volaje que has encontrado es igual a la energía de los electrones emitidos en eV.
a 12.0 v battery is placed across a 4.00 ω resistor. if the current through the resistor is 2.80 a, what is the terminal voltage of the battery?
If the current through the resistor is 2.80 A the terminal voltage of the battery is 23.2 V.
We can use Ohm's law to find the voltage drop across the resistor:
V = IR
Where V is the voltage drop, I is the current through the resistor, and R is the resistance.
Substituting the given values, we get:
\(V = (2.80)*(4.00) = 11.2 V\)
This is the voltage drop across the resistor. The voltage across the battery terminals will be higher than this by the amount of the battery's internal resistance, which we can assume to be negligible. Therefore, the terminal voltage of the battery is:
\(V_{Ter} = V + V_r\)
Where \(V_r\) is the voltage drop across the resistor.
\(V_{Ter}= 11.2 V + 12.0 V = 23.2 V\).
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what is the angular distance (in degrees) from the north celestial pole to the point on the sky called the summer solstice?
The angular distance from the North Celestial Pole to the point on the sky known as the summer solstice is approximately 23.5 degrees.
The summer solstice marks the point in the Earth's orbit around the Sun when the Northern Hemisphere experiences its longest day and shortest night. During this time, the North Pole is tilted towards the Sun at its maximum angle of 23.5 degrees. As a result, the Sun appears to reach its highest point in the sky for observers in the Northern Hemisphere. The North Celestial Pole, also known as the North Star or Polaris, is the point in the sky directly above the Earth's North Pole. It serves as a fixed reference point for celestial navigation. The summer solstice occurs when the Sun's declination reaches its maximum positive value of +23.5 degrees. This angle represents the tilt of the Earth's axis in relation to its orbit around the Sun. Therefore, the angular distance from the North Celestial Pole to the summer solstice point is approximately 23.5 degrees.
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A marble is dropped into a graduated cylinder that is filled with water. Use the words
from the word bank to describe the speed and forces. Words may be used more than
once.
Point A: Speed
force
A
Point B: Speed
force
ml
Point C: Speed
force
30
B
20
is constant
increases
decreases
balanced
unbalanced
C
Answer:
v_t = \(\frac{2 g \ ( \rho_b - \rho_l ) r^2 }{9 \ \eta }\)
Explanation:
Let's describe the motion and forces on the marble when it falls into the graduated cylinder filled with water.
Initially, the marble in the air falls under the influence of its weight (gravity force), when it enters the water, a friction force appears that INCREASES with SPEED and opposes the movement, this force is called Stokes force.
Fr = 6π R η v
where η is the viscosity of water
also because of this in a liquid it has an upward thrust, given by Archimedes' law, this thrust is CONSTANT
B = ρ_l g V_l
in that case the volume of liquid(V_l) is equal to the volume of the marble.
Constant force of gravity
W = mg
using the concept of density
ρ_body = m / V
W = ρ_body g V_body
we apply Newton's second law
Fr + B - W = ma
the friction force increases and the other two are constant, so acceleration decreases until reaching zero, at this point the forces are in BALANCE
Fr + B - W = 0
and the speed remains constant, being called TERMINAL SPEED
v_t = \(\frac{2 g \ ( \rho_b - \rho_l ) r^2 }{9 \ \eta }\)
from this point on, the displacement is proportional to the time
A 0.003 kg copper penny drops a distance of 50.0 m to the ground
If 65% of the initial potential energy goes into increasing the
internal energy of the penny, determine the magnitude of the
increase.1
As per the law of conservation of energy, since the work done on the object is equal to m×g×h, the energy gained by the object = m×g×h, which in this case is the potential energy E.
The force acting on the two objects affects the potential energy formula. The formula for gravitational force is P.E. = mgh, where g is the acceleration caused by gravity (9.8 m/s2 at the earth's surface) and h is the height in metres.
Similar to this, when a spring is moved away from its equilibrium position, it gains some energy, which we can notice by the stress our hands experience when we stretch it. Potential energy is a type of energy that arises from a change in its position or state, according to our definition.
Let's learn the formula, unit, and examples of potential energy after understanding potential energy and what it means.
m is the mass in kilograms
g is the acceleration due to gravity
h is the height in meters
Potential Energy Unit
Gravitational potential energy has the same units as kinetic energy: kg m2 / s2
Note: All energy has the same units – kg m2 / s2, and is measured using the unit Joule (J).
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A boy is going down a slide. As he reaches the bottom, friction causes him to slow down and stop. Which one of Newton's laws is this?
2nd law
3rd law
1st law
4th law
The given condition satisfies the Newton's First Law of motion. Hence, option (C) is correct.
Given data:
A boy slides down and friction causes him to slow down and stop.
In the given problem, when boy was sliding down, then he was in the state of motion, such that the when the he reaches at the bottom of hill, the friction plays the role of external agent to stop its motion.
This shows that the first law of motion is clearly followed which says that, "If an object is in motion, then it will be in motion until and unless any external force is applied on it". This is also known as law of inertia.
Thus, we can conclude that the given condition satisfies the Newton's First Law of motion. Hence, option (C) is correct.
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