The momentum of an object is directly proportional to both its mass and velocity. Therefore, if we double both the mass and speed of the tiger, the momentum will increase by a factor of 4 (2 times 2).
When calculating momentum, we use the formula:
Momentum (p) = Mass (m) × Velocity (v)
In this scenario, let's assume the initial momentum of the tiger is p_initial, with mass m_initial and velocity v_initial.
p_initial = m_initial × v_initial
Now, we double both the mass and speed of the tiger, so the new mass is 2m_initial and the new velocity is 2v_initial. The new momentum, p_new, can be calculated as:
p_new = (2m_initial) × (2v_initial) = 4 × (m_initial × v_initial)
Now, we compare the new momentum to the initial momentum:
Factor Increase = p_new / p_initial = (4 × (m_initial × v_initial)) / (m_initial × v_initial)
As you can see, the m_initial × v_initial terms cancel out, leaving:
Factor Increase = 4
So when we double both the mass and speed of the tiger, the magnitude of its momentum will increase by a factor of 4.This means the magnitude of the tiger's momentum will quadruple compared to its original momentum.
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If the photon scatters at an angle of 60.0 ∘ from its original direction, what is the magnitude of the linear momentum of the electron just after it collides with the photon?
the magnitude of the linear momentum of the electron just after it collides with the photon is (7.558 × 10⁻²⁶) kgm/s.
Let the photon's wavelength before it collides. = λ
After a collision, the photon's wavelength equal = λ'
before a collision, the photon's frequency = f
After-collision photon frequency = f'
Pp = (h/) is the momentum of the photon prior to collision.
Prior to collision, the photon's momentum is given by Pp' = (h/'), where h is Planck's constant.
Let P represent the electron's post-collision momentum.
According to Compton's theory, the elastic collision between a photon and an electron abides by the principles of momentum and energy conservation.
The conservation of momentum
Momentum before collision = momentum after collision
Before momentum collision = Pp.
After-collision momentum = (Pp' + P)
Pₚ = (Pₚ' + P)
P = (Pp - Pp') = (h/) - (h/') = h[(1/) - (1/')]
With the exception of the photon's after-collision wavelength, all of the variables needed to determine the electron's momentum are known.
We utilize the Compton's wavelength formula to determine this.
Compton established from the principle of conservation of mass and momentum that the wavelength of the electron following a collision i λ's given by
λ' - λ = (h/m₀c) (1 - cos θ)
where; h = Planck's constant = 6.63 × 10⁻³⁴ J.s
m₀ = mass of the electron = 9.11 × 10⁻³¹ kg
c = speed of light = 3.0 × 10⁸ m/s
θ = angle of scattering of the photons after collision = 60°; cos 60° = 0.5
λ = 0.102 nm = 1.02 × 10⁻¹⁰ m
λ' - λ = [(6.63 × 10⁻³⁴/(9.11 × 10⁻³¹ × 3.0 × 10⁸)] × 0.5
λ' - λ = 1.213 × 10⁻¹² m
λ' = λ + (1.213 × 10⁻¹²) = (1.02 × 10⁻¹⁰) + (1.213 × 10⁻¹²) = (1.032 × 10⁻¹²) m
P = (Pₚ - Pₚ') = (h/λ) - (h/λ') = h[(1/λ) - (1/λ')]
P = h[(1/λ) - (1/λ')] = (6.63 × 10⁻³⁴) [(1/(1.02 × 10⁻¹⁰)) - (1/(1.032 × 10⁻¹²))] = (6.63 × 10⁻³⁴) (113999088) = (7.558 × 10⁻²⁶) kgm/s
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To warm up for a match, a tennis player hits the 58.0 g ball vertically with her racket. If the ball is stationary just before it is hit and goes 5.50 m high, what impulse did she impart to it?
The impulse imparted by the tennis player to the ball is 29.7 Ns. The impulse-momentum theorem states that the impulse imparted on an object is equal to the change in momentum of the object.
In this case, the momentum of the ball just before it is hit is zero since it is stationary. The momentum of the ball just after it is hit and reaches a height of 5.50 m can be calculated using the equation p = mv, where p is momentum, m is mass, and v is velocity. Since the ball only moves vertically, its final velocity is zero. Therefore, its initial momentum is equal to its final momentum. The mass of the ball is 58.0 g, which is 0.0580 kg.
The change in momentum is therefore: Δp = p_final - p_initial = 0 - (0.0580 kg * 9.81 m/s^2 * 5.50 m) = -3.2061 Ns. The impulse imparted on the ball is the opposite of the change in momentum, so it is 3.2061 Ns. However, since impulse is a vector quantity, we must also include the direction, which is upward. Therefore, the impulse imparted by the tennis player to the ball is 29.7 Ns upward.
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What action should be taken if a pressurized vessel containing flammable gas is exposed to flames?Select one:a.Apply a fog stream of waterb.Apply a solid stream of waterc.Apply foam using the roll-on methodd.Apply foam using the bank-down method
If a pressurized vessel containing flammable gas is exposed to flames, the action that should be taken is apply a fog stream of water. (option A)
When a pressurized vessel containing flammable gas is exposed to flames, it is important to use a fog stream of water to extinguish the fire. A fog stream of water is used because it can effectively cool the vessel and prevent the fire from spreading. A solid stream of water, on the other hand, may not be able to cool the vessel effectively and could even cause the fire to spread. Similarly, applying foam using the roll-on or bank-down methods may not be effective in extinguishing the fire and could potentially make the situation worse. Therefore, the best course of action is to apply a fog stream of water to extinguish the fire and prevent it from spreading.
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a car drives at a velocity of 12 [m/s] for 9 [s]. what distance does the car drive?
Answer:
The car drives 108 m
1. Hearing is also known as
?
A person on a daily diet of 2,500 calories should get no_more than
calories from fat each day.
Answer:
35%
Explanation:
Answer:
its 83
Explanation:
How do you think the poet represents the tiger in his poem (The Tyger)? please no bit ly links
Answer:
“The Tyger” represents the evil and beauty too, “the forest of the night” represents unknown challenges, “the blacksmith” represents the creator and “the fearful symmetry” symbolizes the existence of both good and evil. Imagery: Imagery is used to make the readers perceive things with their five senses.
Explanation:
Question 38 Marks: 1 Microwaves are reflected byChoose one answer. a. metals b. plastic c. glass d. human tissues
Microwaves, which are a type of electromagnetic radiation, are reflected by surfaces that are metallic or have high electrical conductivity, such as metals, aluminum foil, and certain types of plastics. These surfaces can cause the microwaves to bounce back instead of being absorbed, leading to uneven heating and potential damage to the microwave.
These materials can include aluminum foil, metal mesh, and certain metallic coatings. When microwaves encounter these surfaces, their energy is unable to pass through and is instead reflected back, often causing an even distribution of energy in the microwave oven.
It is important to always use microwave-safe dishes and avoid placing any metal objects inside the microwave.
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at its peak, a tornado is 68 m in diameter and has 230 km/h winds. What is its angular velocity in revolutions per second?
The 29/s is its angular velocity in revolutions per second.
What is velocity?
The most important metric for determining an object's position and rate of movement is its velocity. The distance that an object travels in a certain amount of time might be used to define it. The object's displacement in a unit of time is referred to as velocity.
What is speed ?
The rate of a directionally changing object's location. The SI unit of speed is created by combining the fundamental units of length and time. Meters per second (m/s) is the unit of speed in the metric system.
Therefore, The 29/s is its angular velocity in revolutions per second.
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The 29/s is its angular velocity in revolutions per second.
What is velocity?
The most important metric for determining an object's position and rate of movement is its velocity. The distance that an object travels in a certain amount of time might be used to define it. The object's displacement in a unit of time is referred to as velocity.
To find the angular velocity of the tornado at its peak in revolutions per second, we can use the formula:
ω = v/r
where ω is the angular velocity in radians per second, v is the velocity of the tornado, and r is the radius of the tornado.
First, we need to convert the diameter of the tornado to its radius:
r = d/2 = 68/2 = 34 meters
Next, we need to convert the velocity of the tornado from km/h to m/s:
v = 230 km/h = (2301000)/(6060) m/s = 63.89 m/s
Now we can plug in the values for v and r into the formula to find the angular velocity:
ω = v/r = 63.89/34 = 1.877 rad/s
Finally, we can convert the angular velocity from radians per second to revolutions per second by dividing by 2π:
ω_rps = ω/(2π) = 1.877/(2π) = 0.299 rev/s (approximately)
Therefore, the angular velocity of the tornado at its peak is approximately 0.299 revolutions per second.
Therefore, The 29/s is its angular velocity in revolutions per second.
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What is the IMA of the following pulley system?
Answer:
5
Explanation:
The object will feel minimum force of gravity at the
Answer:
space , small amount of gravity is found in the space ,infact we can say that there is no gravity in the space
Answer:
Poles
Explanation:
The gravitational force is maximum at the equator and minimum at the poles.
A player throws a javelin at an unknown angle with a horizontal velocity 20 m/s and vertical velocity 60 m/s. Find its angle and resultant velocity.
Answer:
63º~64º
Explanation:
so imagine a graphic with a triangle. The distance between the zero and the horizontal (x) is 20 and the distance between 0 and vertical (y) is 60
20 = base
60 = height
hypotenuse = L
tg = cato/cata
tg = 60/20
tg = 2
I give up
Pls help Asap this is on a timed quiz.
А_______ reaction is a process in which some substances change to other substances as chemical bonds break and reform.
A. Physical
B. Statistical
C. Chemical
D. Physiological
The correct answer is option C. Chemical.
A chemical reaction is a process in which chemical bonds between atoms are broken and reformed, resulting in the creation of new substances with different properties from the original ones. During a chemical reaction, the atoms of the reactant molecules rearrange themselves to form new products, which can have different physical and chemical properties than the original substances.
Chemical reactions can be classified into different types based on the nature of the reactants and the products formed. For instance, a synthesis reaction is a type of chemical reaction in which two or more substances combine to form a more complex compound, while a decomposition reaction is a reaction in which a compound is broken down into simpler substances.
Chemical reactions are fundamental to many natural and industrial processes, from the production of fuels and materials to the metabolism of living organisms. Understanding the mechanisms and properties of chemical reactions is crucial for many fields of science, including chemistry, biochemistry, and materials science.
In conclusion, a chemical reaction is a process in which substances change to other substances as chemical bonds break and reform. It is a fundamental concept in chemistry and has important applications in many scientific and industrial fields.
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A car is driving down the road at 35 m/s when the driver slams on the brakes. The car stops in a distance of 75 meters. The braking force necessary to do this is 9,800 Newtons. How much work do the brakes perform stopping the car?
Answer:
If the car is initially travelling at u m/s, then the stopping distance d m travelled by ... the speed of the car at the instant the brakes are applied. ... Common usage will force us to depart from this later in the notes. ... The history of these equations is not absolutely clear, but we do have some ... Newton (1642–1727) and Leibniz.
Explanation:
hope this helped
A G2V star would be the same temperature as a G2Ib star, but much smaller and less luminous.
A) True
B) False
Answer:
True
Explanation:
False. A G2V star and a G2Ib star would not have the same temperature.
Here correct option is B.
In stellar classification, the spectral type is determined by the temperature of the star, with G2 indicating a relatively moderate temperature. The "V" in G2V represents a main-sequence star, also known as a dwarf star, which is small and relatively less luminous compared to other types of stars.
On the other hand, the "Ib" in G2Ib represents a luminous supergiant star. Supergiants are much larger and more luminous than main-sequence stars. Therefore, while both stars may have a G2 spectral type, the G2Ib star would be larger, more luminous, and likely have a different temperature compared to the G2V star.
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After a strong storm, a worker does not realize that a power transmission line has fallen on his car and is electrocuted while opening the car door. What is this an example of?.
The instance of contacting Overhead Electric Lines when a worker does not detect that an electricity distribution wire has collapsed on his automobile and is electrocuted while opening the car door after just a heavy storm.
Thunderstorms are characterised as having hail of least an inch in diameter and winds of 58 miles per hour or more, and the following debate can be summarised as follows:
Avoiding any job that could put you in contact with or close to overhead electrical lines is the most effective way to prevent any kind of collision.
After a severe storm, a worker opens the car door without realising that an electricity distribution wire has fallen on it and is killed as a result.
The worker touches the metal frame, which is in contact with simply an overhead electricity wire, by opening the door.
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Choose a right-hand side which gives no solution and another right-hand side which gives infinitely many solutions. what are two of those solutions? 3x 2y = 10 6x 4y = .
To choose a right-hand side that gives no solution, we can use the equation 6x + 4y = 20. When we compare this equation to 3x + 2y = 10, we can see that the two equations have different coefficients. Therefore, there is no solution to the system.
To choose a right-hand side that gives infinitely many solutions, we can use the equation 6x + 4y = 30. When we compare this equation to 3x + 2y = 10, we can see that the two equations have the same coefficients. Therefore, the system has infinitely many solutions.
As for the solutions to the system 3x + 2y = 10 and 6x + 4y = 30, any pair of values (x, y) that satisfies both equations would be a solution. For example, (2, 2) and (4, -1) are two possible solutions to this system.
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Determine the empirical formulas of the compounds with the following compositions by mass:
62.1% c, 5.21% h, 12.1% n, and the remainder o
To determine the empirical formula, we need to find the mole ratio of the elements in the compound. We can assume a 100 g sample of the compound, which means:
Mass of carbon = 62.1 g
Mass of hydrogen = 5.21 g
Mass of nitrogen = 12.1 g
Mass of oxygen = (100 - 62.1 - 5.21 - 12.1) = 20.59 g
Next, we need to convert the masses to moles:
Moles of carbon = 62.1 g / 12.011 g/mol = 5.17 mol
Moles of hydrogen = 5.21 g / 1.008 g/mol = 5.17 mol
Moles of nitrogen = 12.1 g / 14.007 g/mol = 0.864 mol
Moles of oxygen = 20.59 g / 15.999 g/mol = 1.287 mol
The smallest mole value is that of nitrogen, which is approximately 0.864 mol. We can use this value as a reference to find the mole ratio of the other elements:
Carbon: 5.17 mol / 0.864 mol ≈ 5.99 ≈ 6
Hydrogen: 5.17 mol / 0.864 mol ≈ 5.99 ≈ 6
Nitrogen: 0.864 mol / 0.864 mol = 1
Oxygen: 1.287 mol / 0.864 mol ≈ 1.49 ≈ 1.5
The mole ratio of the elements in the compound is approximately C6H6N1.5O1 or simplified, C12H12N3O2. This is the empirical formula of the compound.
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A 15 kilogram mass is traveling with a velocity of 2.7m/s. What is the object's kinetic energy?
Answer:
KE=1/2*m*v^2
KE=1/2*15*2.7^2
KE=54.675 J
Explanation:
We now know that gravity is not actually a force, but due to what?
Gravity is also called gravitation, in mechanics, the universal force of attraction acting between all things. Gravitation is the weakest forces of all the forces.
We now know that gravity is not actually a force, but due to what?
Gravity is more accurately can be defined by the theory of relativity which is composed by Albert Einstein in 1915. This theory tells us that gravity is not a force but as the curvature of spacetime, caused by the uneven distribution of mass, and causing masses to move along geodesic lines. In general relativity gravity is not define as force between two forces. Gravity is a force of attraction between two bodies.
So we can conclude that: Gravity is also called gravitation, in mechanics, the universal force of attraction acting between all things. Gravitation is the weakest forces of all the forces.
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you have two solid metal sphere that are identical except thatr one has a radius exactly twice the other(with the same density). what is the ratio of their moment of inertia?
The elasticity and Poisson's ratio for this metal is 0.232.
What is ratio?
The realation between two numbers which shows how much bigger one quantity is than another.
Sol-
As per the given question
P=190KN
d=16 mm
Lo=50mm
X=50.1349-50=0.1349mm
Y=15.99-16=-0.01mm
The formula-
E=ó/€
Ó=P/A
A=r/4 d^2 =π/4(16)^2=201.062 mm
ó={190(1000)}201.062=944.982 Mpa
E=944.982/0.002698=350.253 GPa
€y=-0.000625
v=0.232(answer)
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A radioactive chemical has a decay rate of approximately 5% per year. Suppose that this chemical is released into the atmosphere each year for 15 yr at a constant rate of 1 lb per year. How much of this chemical will remain in the atmosphere after 15 yr? The amount of chemical remaining in the atmosphere is lbs.
After 15 years, approximately 0.319 lb (or 0.319 pounds) of the radioactive chemical will remain in the atmosphere.
The decay rate of the chemical is approximately 5% per year, which means that each year, 95% of the chemical will remain after decay. This can be expressed as a decay factor of 0.95.
Since the chemical is released into the atmosphere at a constant rate of 1 lb per year for 15 years, we can calculate the amount remaining using the formula:
Remaining amount = Initial amount * Decay factor^Number of years
In this case, the initial amount is 1 lb, the decay factor is 0.95, and the number of years is 15. Plugging these values into the formula, we get:
Remaining amount = 1 lb * (0.95)^15
Calculating this expression, we find:
Remaining amount ≈ 0.319 lb
After 15 years, approximately 0.319 lb of the radioactive chemical will remain in the atmosphere. The decay rate of 5% per year gradually reduces the amount of chemical present, resulting in a relatively small fraction remaining after 15 years.
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1. why is it often necessary to add air to your car tires during the winter? 1 2. why do you think it might be a bad idea to throw an aerosol car into a fire? 1
The temperature drops as soon as winter arrives. Air inside car tires shrinks as the temperature drops.
The lower air pressure in the tires can result in poor fuel efficiency, which can be inconvenient and expensive. For example, the rolling resistance of under-inflated tires would be higher, necessitating more energy to move the vehicle, which would result in higher fuel consumption.In addition, under-inflated tires could result in reduced handling and less traction on slick roads. As a result, keeping the tires correctly inflated is crucial to a safe and pleasant winter driving experience.It is a bad idea to throw an aerosol can into a fire because of the following reasons:When an aerosol can heats up, the pressure within the can increases. The pressure within the can would continue to rise until it explodes. Because of the expansion of gases, this explosion can cause damage to property, burns, or other injuries. When heated, the cans can cause chemical reactions that release toxic and flammable gases. This combustion, in turn, can generate toxic chemicals that may damage the atmosphere and potentially be dangerous to breathe.Therefore, it is best to avoid throwing an aerosol can into a fire.for more such question on necessitating
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Which best describes Earth's magnetic pole?
A.) Aligned with the geographic South Pole
B.) Circling around the geographic North Pole
C.) Defined by Earth's rotation
D.) Wandering slowly with no pattern
Answer:
Wandering Slowly with no pattern
Explanation:
I apologize to those who got it wrong from the first person.
The Earth's magnetic pole is wandering slowly with no pattern. Then the correct option is D.
What is the magnetic pole?Magnetic poles are the points near the extremities of the axis of rotation of the Earth or another celestial body where a magnetic needle dips vertically.
At either end of a magnet, the magnetic pole is where the applied magnetic field is strongest. An imaginary basic particle known as a magnetical monopole may be referred to as a magnet's pole. A unique type of magnet is the magnetism poles of celestial bodies.
The north magnetism pole of the earth Today is located where the north arrow is on a path leading downhill.
The magnetic pole is located far away from the geographic pole.
Earth's magnetic pole is defined as wandering slowly with no pattern.
Thus, the correct option is D.
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what is measurement? why is it important to have regular supervision of the weights and measurement in the market?
Answer:
The comparison of unknown quantity with known quantity is called measurement.
Newton's law of universal gravitation, the law of conservation of mass, the law of superposition, and the laws of thermodynamics are all examples of scientific laws because..
A.
they have been modified repeatedly over time.
B.
they have been approved and accepted by congress.
C.
there are no exceptions to these laws under specific stated conditions.
D.
they are found in science textbooks.
Answer:
D
Explanation:
There are no exceptions to these laws under specific stated conditions..
The laws of science are statements that describe or predict a range of phenomena as they appear in nature. Laws explain facts determined by experiment. Laws do not have absolute certainty and be changed by future experiments and observations.
Answer:
there are no exceptions to these laws under specific stated conditions.
Explanation:
There are no exceptions to scientific laws under certain stated conditions. This is the main factor that distinguishes scientific theories from scientific laws.
Both scientific theories and laws are based on extensive observations, experimentation, and reasoning, but scientific theories are subject to change over time as new technology is invented and new evidence emerges.
A 40 W lightbulb plugged into a 120V line lights up. What resistance would the lightbulb have to have?
P=40 W
U=120 V
R=?
P=U*I
I=U/R
P=U²/R
R=U²/P
R=120²/40
R= 360 Ω
Choose the word that keeps the sentence in agreement.
1. The girl
seven years old when she lost her tooth. (was/were)
2. The boy
eight siblings. (have/has)
3. The teacher played
music. (his/he)
4. Michael and Jill asked for
money back. (them/their)
Why do utilitarianism's opponents say that it is a "doctrine worthy only of pigs"?
They think that pigs are the smartest animal and the closest comparison to humans.
They think that pleasure is more important than the utilitarians.
They think that pigs can experience more pleasure than human beings.
They think that human beings have a higher purpose than the maximization of pleasure.
Utilitarianism's opponents say that it is a "doctrine worthy only of pigs". Because, they think that human beings have a higher purpose than the maximization of pleasure.
What is Utilitarianism?A moral theory known as utilitarianism favours activities that increase happiness or pleasure and disapproves of those that increase sadness or harm. A utilitarian ideology would seek to improve society as a whole when used to guide social, economic, or political decisions.
According to utilitarianism, a decision is morally correct if it makes the most people happy within a community or a group.
A moral theory known as utilitarianism favors activities that increase happiness and disapproves of those that decrease it.
"The greatest amount of benefit for the greatest number of people" is what utilitarianism advocates.
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two projectiles are launched at 100 m/s, the angle of elevation for the first being 30° and for the second 60°. which of the following statements is false?
Given data: Two projectiles are launched at 100 m/s, the angle of elevation for the first being 30° and for the second 60°.To find which of the following statements is false. Solution: Firstly, let's write the formulas of motion along the x-axis and y-axis separately along with the given data of each projectile and calculate the horizontal and vertical components of their velocity and acceleration of each projectile along the x-axis and y-axis as follows:
For projectile 1:Initial velocity, u = 100 m/s Angle of projection, θ = 30°Horizontal component of initial velocity, u cos θ = 100 × cos 30° = 100 × √3 / 2 = 50√3 m/s Vertical component of initial velocity, u sin θ = 100 × sin 30° = 100 × 1 / 2 = 50 m/s Acceleration due to gravity, a = -9.8 m/s² (downward)Here, the negative sign indicates that the direction of the acceleration due to gravity is opposite to that of the vertical velocity along the upward direction as per the chosen coordinate axis.
For projectile 2:Initial velocity, u = 100 m/s Angle of projection, θ = 60°Horizontal component of initial velocity, u cos θ = 100 × cos 60° = 100 × 1 / 2 = 50 m/s Vertical component of initial velocity, u sin θ = 100 × sin 60° = 100 × √3 / 2 = 50√3 m/s Acceleration due to gravity, a = -9.8 m/s² (downward)Here, the negative sign indicates that the direction of the acceleration due to gravity is opposite to that of the vertical velocity along the upward direction as per the chosen coordinate axis.
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