The electric field strength is 5.50×10⁴ N/C inside a parallel-plate capacitor with a 2.30 mm spacing. A proton is released from rest at the positive plate.What is the proton's speed when it reaches the negative plate?

A gold wire with a length of 80.0 meters and a diameter of 0.100 millimeters connects the terminals of a 0.70 V watch battery. Therefore, 0.28 Amperes of current are flowing via the gold wire.

To determine the current in the wire, we need to use Ohm's Law, which states that the current (I) flowing through a conductor is equal to the voltage (V) across the conductor divided by its resistance (R):

[tex]\begin{equation}I = \frac{V}{R}[/tex]

First, let's calculate the resistance of the gold wire. The resistance (R) can be determined using the formula:

[tex]\begin{equation}R = \frac{\rho L}{A}[/tex]

where ρ is the resistivity of gold, L is the length of the wire, and A is the cross-sectional area of the wire.

The resistivity of gold (ρ) is approximately 2.44 x 10⁻⁸ Ω·m.

The length of the wire (L) is given as 80.0 m.

To find the cross-sectional area (A) of the wire, we need to convert the diameter (0.100 mm) to meters:

Diameter = 0.100 mm = 0.100 x 10⁻³ m

The cross-sectional area (A) can be calculated using the formula:

[tex]\begin{equation}A = \pi \left(\frac{d}{2}\right)^2[/tex]

[tex]\begin{equation}A = \pi \left(\frac{0.100 \times 10^{-3} \text{m}}{2}\right)^2[/tex]

A = 7.854 x 10⁻¹⁰ m²

Next, we can calculate the resistance (R) using the formula:

[tex]R = \frac{\rho L}{A}[/tex]

where ρ is the resistivity of gold, given as 2.44 x 10⁻⁸ Ω·m, and L is the length of the wire, given as 80.0 m.

[tex]R = \frac{2.44 \times 10^{-8} \Omega \cdot m \times 80.0 m}{7.854 \times 10^{-10} m^2}[/tex]

R = 2.50 Ω

Finally, we can determine the current (I) using Ohm's Law:

[tex]I = \frac{V}{R}[/tex]

Given that the voltage (V) across the wire is 0.70 V, we can substitute the values:

[tex]I = \frac{0.70\,V}{2.50\,\Omega}[/tex]

I = 0.28 A

Therefore, the current flowing through the gold wire is 0.28 Amperes.

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Complete question :

The terminals of a 0.70 V watch battery are connected by a 80.0-m-long gold wire with a diameter of 0.100 mm . What is the current in the wire?

The subsequent amount A(t), in mº, in the room at time t is A(t) = (0.0006 * 60 - 0.002 * 60) * t = (-0.00084) * t

To determine the subsequent amount A(t) of carbon dioxide in the room at time t, we can use the formula A(t) = (C_in * V_in - C_out * V_out) * t, where C_in is the initial concentration of carbon dioxide, V_in is the volume of air pumped into the room per unit of time, C_out is the concentration of carbon dioxide in the circulated air, V_out is the volume of air pumped out of the room per unit of time, and t is the time in minutes.

Given the values C_in = 0.2%, V_in = 60 m³/min, C_out = 0.06%, V_out = 60 m³/min, and t is the desired time, we can substitute these values into the formula to calculate the subsequent amount of carbon dioxide in the room at time t.

Substituting the given values, we have A(t) = (0.0006 * 60 - 0.002 * 60) * t = (-0.00084) * t. Since the coefficient of t is negative, it indicates that the subsequent amount of carbon dioxide in the room will decrease over time.

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Answer:

A. 3,000,000 m

B. 0.25 km

C. 10 m

D. 1,000 cm

Explanation:

no hablo español, así que solo ingrese esto en el traductor de G*ogle

A. One kilometer equals 1000 meters, so

3,000*1,000 = 3,000,000 m

B. One meter equals 0.001 kilometer, so

250*0.001 = 0.25 km

C. One centimeter equals 0.01 meter

1,000*0.01 = 10 m

D. One milimeter equals 0.1 centimer, so

10,000*0.1 = 1,000

The given statement '' Emotional management is to: prevent, control, redirect, and change '' is True.

True. Emotional management involves various strategies to prevent, control, redirect, and change emotions.

It includes techniques and practices aimed at understanding, regulating, and effectively dealing with emotions in a healthy and productive manner.

By implementing these strategies, individuals can enhance their emotional well-being and improve their ability to cope with different situations.

Hence, The given statement '' Emotional management is to: prevent, control, redirect, and change '' is True.

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Answer:

magnetic force due to gravity

Explanation:

nowno that is because that's what the geography teacher taught us back in don't remember but it's true

The following could account for the decrease in the object's maximum kinetic energy: Balance. The correct option is C.

The decrease in the object's maximum kinetic energy could be accounted for by using a balance. A balance is a device used to measure mass, and it is not directly related to the object's kinetic energy. The balance measures the gravitational force acting on the object, which remains constant as long as the mass of the object does not change.

The decrease in the object's maximum kinetic energy during oscillation is likely due to the presence of external factors such as air resistance or friction. These factors can cause energy loss in the system, leading to a decrease in the object's maximum kinetic energy over time.

On the other hand, options a (meterstick), b (motion sensor), and d (photogate) are measurement tools that do not directly affect the object's kinetic energy.

A meterstick is used for measuring length, a motion sensor is used to detect motion, and a photogate is used to measure the time it takes for an object to pass through a gate. These tools do not account for the decrease in kinetic energy observed in the object during oscillation. The correct option is C.

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Answer:

The torque is approximately 3.82 N·m

Explanation:

The relationship between work done, 'W', and the applied torque, 'τ' can be presented as follows;

W = τ × Δθ

Where;

W = The work done by the torque

τ = The magnitude of the torque

Δθ = The angle through which the object is turned

The parameters for 'W' and 'Δθ' are;

W = 3j

Δθ = 1/4 × π

From W = τ × Δθ, we have;

τ = W/Δθ

∴ τ = 3j/(1/4 × π) ≈ 3.81971863421 N·m

The torque, τ ≈ 3.82 N·m

The magnitude of the electric force on the electron is approximately 3.632 × 10^-16 N. Note that the negative sign indicates that the force is in the opposite direction of the electric field (westward in this case).

The magnitude of the electric force (F) on an electron in a uniform electric field can be calculated using the formula:

F = q * E,

where q is the charge of the electron and E is the electric field strength.

The charge of an electron is approximately -1.6 × 10^-19 C (negative because it is an electron).

Given that the electric field strength is 2270 N/C and it points due east, we can substitute the values into the formula:

F = (-1.6 × 10^-19 C) * (2270 N/C) ≈ -3.632 × 10^-16 N.

The magnitude of the electric force on the electron is approximately 3.632 × 10^-16 N. Note that the negative sign indicates that the force is in the opposite direction of the electric field (westward in this case).

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Answer:

i think try theanswer

Explanation:

proper

Answer:

A

Explanation:

For an object to move with constant speed the forward force is opposed by the effects of forces. There is no resultant force acting or constant speed is a result of no resultant force.

Newton's second law states that an object with no net forces acting on it which is initially at rest will remain at rest. If it is moving, it will continue to move in a straight line with constant velocity. Newton's Second Law states: F = ma. F is the net force acting on an object.

Also if velocity or speed is constant the acceleration will be 0 the F=m×0

F=0.

The planet that has the lowest density is Saturn, while the planet that is tilted 90° to the orbital plane is Uranus.

Saturn, the second-largest planet in our solar system, has the lowest average density among all the planets. With its famous rings made up of icy particles and rocky debris, Saturn has an average density of about 0.687 grams per cubic centimeter. This low density is primarily due to its composition, which includes a significant amount of hydrogen and helium, making it less dense than water.

On the other hand, Uranus, the seventh planet from the Sun, holds a peculiar distinction in our solar system. It is tilted approximately 98 degrees, which means its axis is almost perpendicular to the plane of its orbit. This extreme tilt causes Uranus to experience dramatic seasonal variations, where one pole faces the Sun continuously for half of its orbit, while the other pole faces prolonged darkness. This unique axial tilt sets Uranus apart from the other planets, making it the planet tilted 90° to its orbital plane.

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Answer: The seismic waves are useful for the oil and gas exploration beneath the earth crust.

Explanation:

The seismic waves are sent beneath the earth crust to determine the location of fossil fuels like petrol, and natural gas. These seismic waves bound back and their pattern of reflection and refraction is recorded by using a receiver that is a geophone or can be a hydrophone (in water). The seismic waves bounce back indicating towards the reservoir of fossil fuel exhibit a characteristic pattern that can help in tracing the location of the fossil fuel.

Irina should report the best estimate of the length of the room as 4.425 meters.

Irina should report the best estimate of the length of the room by calculating the average of all the measurements.

The average of the six independent measurements can be found using the formula:

Average = (Sum of measurements) / (Total number of measurements)

Therefore, the average of the six independent measurements can be calculated as follows:

Average =

(4.402 m + 4.217 m + 4.345 m + 4.925 m + 4.372 m + 4.289 m) / 6

= 26.55 / 6= 4.425 m

This is the best estimate of the length of the room because it is the average of all the independent measurements made by Irina.

In science, measurements play a vital role. Scientists use a range of tools to measure things, from simple ruler or meter stick to highly sophisticated equipment. It is crucial for the measurements to be as precise and accurate as possible because any error in the measurement can affect the results of experiments.

To minimize the error in measurement, scientists often make multiple measurements and then report the average of those measurements as the best estimate of the measurement.

This process is known as taking the average, or mean, of the measurements. In the example given above, Irina made six independent measurements of the length of the room using a meter stick. She then calculated the average of those measurements and reported it as the best estimate of the length of the room.

This method is widely used in science to minimize the error in measurement and to ensure that the results of experiments are as accurate as possible.

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If astronauts wished to determine whether a microscopic extraterrestrial object was alive, one feature they would not look for is cellular structure.

Cellular structure, including cells and their organization, is a defining characteristic of life on Earth. However, when examining microscopic extraterrestrial objects, it may not be appropriate to expect the presence of cellular structures similar to those found in terrestrial life forms.

Instead, astronauts would focus on other features that are indicative of life, such as metabolic activity, reproduction, response to stimuli, or the presence of organic molecules. These features are fundamental to the definition of life and can provide evidence of biological processes or signs of life even in microscopic extraterrestrial objects that do not possess cellular structures as we know them.

Therefore, while cellular structure is a key feature of life on Earth, it may not be applicable or present in the same way when examining potential extraterrestrial life forms.

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Answer:

sustainability over time.

Explanation:

The largest Brazilian rainforest is the Amazon rainforest, which is the largest rainforest in the world and occupies 42% of the Brazilian territory. The forest is composed of a rich environmental diversity, constituted by many species of fauna and flora and diverse river resources.

However, there is a growing transformation in the Amazon rainforest caused by organizational exploitation that uses its resources to transform the forest area into agricultural land and pastures for livestock. This problem will cause a reduction in sustainability over time, which will cause serious negative effects on the environment, such as a reduction in biodiversity and an increase in the emission of gases responsible for the greenhouse effect on the planet.

Answer:

Bb

Explanation:

Answer:

ij

Explanation:

X rays with a wavelength of 0.085nm diffract from a crystal in which the spacing between atomic planes is 0.213 nm . The number of diffraction orders observed is N = 4.

In X-ray diffraction, the diffraction pattern is produced when X-rays interact with the crystal lattice. The number of diffraction orders observed can be determined using Bragg's law:

nλ = 2d sinθ

where n is the diffraction order, λ is the wavelength of the X-rays, d is the spacing between atomic planes, and θ is the angle of incidence.

Rearranging the equation, we have:

n = 2d sinθ / λ

Substituting the given values, d = 0.213 nm and λ = 0.085 nm, we can calculate the value of n.

n = 2 * 0.213 nm * sinθ / 0.085 nm

Simplifying the expression, we find:

n ≈ 4

Therefore, the number of diffraction orders observed is N = 4.

When X-rays with a wavelength of 0.085 nm diffract from a crystal with a spacing between atomic planes of 0.213 nm, four diffraction orders are observed.

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The Sun would have to shine for approximately 2 billion years for one percent of its mass to be converted into energy.

To calculate the time required for the Sun to convert one percent of its mass into energy, we need to determine the total energy the Sun can produce and then calculate the amount of mass that would be converted.

Energy produced per second by the Sun via the proton-proton chain = 400 trillion trillion joules (4 x 10²⁶joules)

Mass of the Sun = 2 million trillion trillion kilograms (2 x 10³⁰ kilograms)

First, we need to calculate the total energy the Sun can produce per year:

Energy produced per year = Energy produced per second × Number of seconds in a year

Number of seconds in a year = 365 days × 24 hours × 60 minutes × 60 seconds

Number of seconds in a year = 31,536,000 seconds

Energy produced per year = 4 x 10²⁶joules/second × 31,536,000 seconds/year

Now, we can calculate the mass that would be converted to energy:

Mass converted to energy per year = Energy produced per year / (Speed of light)²

The speed of light (c) is approximately 3 x 10⁸meters per second.

Mass converted to energy per year = (4 x 10²⁶ joules/second × 31,536,000 seconds/year) / (3 x 10^8 meters/second)²

Now, let's calculate the mass converted to energy as a percentage of the Sun's total mass:

Mass percentage = (Mass converted to energy per year / Mass of the Sun) × 100

Mass percentage = ((4 x 10²⁶ joules/second × 31,536,000 seconds/year) / (3 x 10⁸ meters/second)²) / (2 x 10³⁰ kilograms) × 100

Finally, we can calculate the number of years required for one percent of the Sun's mass to be converted into energy:

Years = 1% / Mass percentage

Years = 1% / ((4 x 10²⁶ joules/second × 31,536,000 seconds/year) / (3 x 10⁸ meters/second)²) / (2 x 10³⁰kilograms) × 100

After performing the calculations, the result is approximately 2 billion years.

The Sun would have to shine for approximately 2 billion years for one percent of its mass to be converted into energy.

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The angular momentum of the ball of clay before grazing the surface is (2/3)mrv.

The angular momentum of the ball of clay about the shaft before it grazes the surface is calculated as follows;

Moment of inertia of the ball;

I = (2/3) mr²

where;

Angular velocity is given as;

ω = v / r

where;

The angular momentum of the ball of clay before grazing the surface is calculated as;

L = Iω

L = (2/3)mr² x  (v / r)

L = (2/3)mrv

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Answer:

The police car is moving at 41.24 m/s.

Explanation:

To find the speed of the police car we need to use the Doppler equation:

[tex] f = f_{0}(\frac{v + v_{r}}{v + v_{s}}) [/tex]      

Where:

v: is the speed of the sound = 343 m/s

[tex]v_{r}[/tex]: is the speed of the receiver = 12 m/s

[tex]v_{s}[/tex]: is the speed of the source =?

f: is the observed frequency = 959 Hz

f₀: is the emitted frequency = 1038 Hz          

Both terms are positive in the fraction because the velocity of the sound is in the opposite direction to both velocities of the police car and the other car.  

By solving the above equation for [tex]v_{s}[/tex] we have:        

[tex] v_{s} = \frac{f_{0}(v + v_{r})}{f} - v = \frac{1038(343 + 12)}{959} - 343 = 41.24 m/s [/tex]  

Therefore, the police car is moving at 41.24 m/s.

I hope it helps you!                  

The theoretical power requirement for the pump is 97.39 W.

Given Information: Density of the liquid, ρ = 1000 kg/m³, Viscosity of the liquid, μ = 1.5 cP, The mass flow rate of the liquid, m = 2 kg/s, The height difference between the holding tank and the filling machine, H = 10 - 5 = 5 m, Length of the pipeline, L = 100 m, Diameter of the pipeline, d = 2 inches = 0.05 m, Pressure drop due to friction, ∆P = 100 kPa, Number of globe valves, n₁ = 1, Number of regular flanged elbows, n₂ = 4.

We need to determine the theoretical power requirement for the pump.

Theoretical power requirement is given by;

P = mgh + [(ΔP/ρ) × Q] + [(K₁ + K₂) × ρ × g × Q²/2]

Where, P = Power (W), ρ = Density of the liquid (kg/m³), m = Mass flow rate of the liquid (kg/s), g = Acceleration due to gravity (m/s²), h = Height difference between the two points (m), ΔP = Pressure drop due to friction (Pa), L = Length of the pipeline (m), d = Diameter of the pipeline (m), Q = Volumetric flow rate (m³/s), K₁, K₂ = Loss coefficients of the globe valve and regular flanged elbow respectively.

The formula for the volumetric flow rate is given by;

Q = (π/4) × d² × v

Where, v = Velocity of the fluid.

The formula for velocity is given by

v = (4 × m)/(ρ × π × d²)

Now, putting the given values in the above formulas

P = (2 × 9.81 × 5) + [(100000/1000) × (2/0.05²) ] + [(0.45 + 4 × 0.35) × 1000 × 9.81 × (2/(π × 0.05²) )²/2]P = 97.39 W.

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Part A: The value of the resistance is approximately 43.9 Ω.

Part B: The value of the inductance is approximately 0.82 H.

To determine the resistance and inductance, we'll use the formulas for real power (P), apparent power (S), and power factor (PF).

Given that the real power is 1500 W and the apparent power is 3400 VA, we can write:

P = 1500 W

S = 3400 VA

The power factor (PF) is the ratio of real power to apparent power:

PF = P / S

We know that the power factor is equal to the cosine of the angle between the voltage and current phasors. Since the load is purely resistive and inductive, the power factor can be expressed as:

PF = cos(θ) = R / Z

where R is the resistance and Z is the impedance.

The impedance (Z) can be calculated using the formula:

Z = S / (2πf)

where f is the frequency of the source.

Given that the frequency is 60 Hz, we can substitute the values:

Z = 3400 VA / (2π × 60 Hz)

Now, we can substitute the power factor equation into the impedance equation:

R / Z = PF

R = Z × PF

Substituting the values of Z and PF, we get:

R = (3400 VA / (2π × 60 Hz)) × (1500 W / 3400 VA)

Simplifying the expression:

R ≈ 43.9 Ω

For Part B, we need to find the inductance (L). The impedance can be expressed as:

Z = √(R² + Xₗ²)

where Xₗ is the reactance due to inductance.

Since the load is inductive, we can write the reactance as:

Xₗ = Z × sin(θ)

Substituting the values of Z and PF:

Xₗ = Z × √(1 - PF²)

Using the given values, we can calculate Xₗ:

Xₗ = (3400 VA / (2π × 60 Hz)) × √(1 - (1500 W / 3400 VA)²)

Simplifying the expression:

Xₗ ≈ 30.4 Ω

The reactance due to inductance can be written as:

Xₗ = 2πfL

Solving for L:

L = Xₗ / (2πf)

Substituting the values:

L = 30.4 Ω / (2π × 60 Hz)

Calculating the value:

L ≈ 0.82 H

Therefore, Part A: The resistance in the load is approximately 43.9 Ω.

Part B: The inductance in the load is approximately 0.82 H.

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1)Baby bird cannot fly. Their mother has to feed \bf\underline{them}them

2. Vijay likes riding my bicycle. I sometimes lend \bf\underline{it}it to \bf\underline{him}him

3. Sooraj and I are brothers. \bf\underline{we\:both}weboth share the same bedroom.

4. Ravina isn't well. Dad is taking to the doctor. (No personal pronouns required)

Given, Mass of the object, m = 100 grams = 0.1 kg. Therefore, the speed of the object as it passes through the equilibrium position is 0.31 m/s. The answer is 0.31 m/s.

Displacement from the equilibrium position, x = 10 cm = 0.1 m, Time period, T = 2 seconds(a) To find the speed of the object as it passes through the equilibrium position, we need to find its maximum speed. We know that the time period, T = 2π √(m/k)where k is the spring constant of the spring. k = 4π²m/T² = 4π² × 0.1/2² = 0.98 N/m, The force exerted on the object, F = kx = 0.98 × 0.1 = 0.098 N. When the object passes through the equilibrium position, all the potential energy is converted into kinetic energy. Therefore, the kinetic energy at the equilibrium position is K.E = 1/2 mv²where v is the velocity of the object. So, equating the potential energy with kinetic energy,1/2 kx² = 1/2 mv²v = x √(k/m) = 0.1 √(0.98/0.1) = 0.31 m/s.

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The required correct answer would be either A (up) or B (down), depending on the specific configuration of the magnetic field and the motion of the electron.

The direction of the acceleration of the electron depends on the interaction between the magnetic field and the motion of the electron. According to the right-hand rule for magnetic fields, the direction of the acceleration can be determined as follows:

Extend the right hand with the thumb pointing in the direction of the electron's velocity (left to right).

Curl the fingers of the right hand in the direction of the magnetic field (into the page).

The direction in which the palm of the hand faces indicates the direction of the acceleration.

Using this right-hand rule, we can determine that the acceleration of the electron will be perpendicular to both the velocity and the magnetic field. Therefore, the acceleration will be either up or down, depending on the specific orientation of the magnetic field and the motion of the electron.

Given the options provided, the correct answer would be either A (up) or B (down), depending on the specific configuration of the magnetic field and the motion of the electron.

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Answer:

35

Explanation:

angle of incidence equals angle of reflection

Answer:

D !!!

Explanation:

Answer:

D

Explanation:

Answer:

i think it's A

Explanation:

Answer:

The answer is A

Explanation:

If the particles are momentarily at rest at a separation of r = 1.2s, the potential energy between them would be at a maximum since they are at the maximum distance apart.

a) If the particles are momentarily at rest at a separation of r = 1.2s, the potential energy between them would be at a maximum since they are at the maximum distance apart. At this point, the kinetic energy of the particles would be zero. The total energy, Etot, of the system, would be equal to the potential energy at that distance. The subsequent motion of the two particles would depend on the specific details of the system, but if no external forces act on them, they would start moving towards each other due to the attractive nature of the potential energy between them.

b) If, at the instant, the particles have a separation of 1.2s, their total kinetic energy (KE) is equal to 0.1e, where "e" represents the total potential energy between them, then the total energy, Etot, of the system would be the sum of the kinetic energy and potential energy. Etot = KE + PE = 0.1e + e = 1.1e. The subsequent motion of the two particles would depend on the specific details of the system and the relative magnitudes of the kinetic and potential energies. If the kinetic energy is significantly smaller than the potential energy, the particles would move towards each other under the influence of the attractive potential energy, eventually reaching a closer separation. However, if the kinetic energy is comparable or larger than the potential energy, the particles may exhibit more complex or oscillatory motion depending on the precise characteristics of the potential energy function.

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a. The electric field is  E = (kρa^3/r^2) r

b. The magnitude of the electric field inside the hole of the sphere is (kρa^3/b^2 - kρ(4/3)πa^3/(b^2 - a^2)) j

a)

The electric field inside an insulating sphere with radius a and uniform charge density rho is,

E = (kq/r^2) r

Where

q = volume charge density * volume of the sphere

  = rho*(4/3)πa^3

q = (4/3)πa^3ρ

The electric field is:,

E = (kq/r^2) r

  = (kρa^3/r^2) r

b)

        E = E_solid_sphere - E_hollow_sphere

           E_solid_sphere = (kρa^3/b^2) j

           E_hollow_sphere = -(kρ(4/3)πa^3/(b^2 - a^2)) j

         E = E_solid_sphere - E_hollow_sphere

            = (kρa^3/b^2 - kρ(4/3)πa^3/(b^2 - a^2)) j

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