Where is earth's magnetic north pole located?

If the hair feels rough when performing a porosity test, it means the cuticle is raised or damaged. The porosity test involves running your fingers along a strand of hair from the ends to the roots to determine how easily it absorbs water.

If the hair feels rough, it indicates that the cuticle layer is not smooth and intact, which can lead to moisture loss, breakage, and damage. This could be due to various factors, including chemical treatments, excessive heat styling, environmental stressors, or lack of proper hair care. It is important to address the underlying causes of rough cuticles to improve the overall health and appearance of the hair.

If the hair feels rough when performing a porosity test, it means the cuticle is raised. Raised cuticles indicate high porosity, which means that the hair can easily absorb and lose moisture. High porosity hair is often the result of chemical treatments, heat damage, or environmental factors. To manage high porosity hair, it is important to use deep conditioning treatments and protein treatments regularly. Additionally, using leave-in conditioners and sealing the hair with oils can help lock in moisture and protect the cuticles. It is also recommended to avoid harsh chemicals and excessive heat styling to prevent further damage.

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One theoretical reason why liberals support free trade is based on the principle of comparative advantage, which suggests that countries can benefit from specializing in the production of goods they are most efficient at producing.

Liberals support free trade based on the theory of comparative advantage. According to this theory, countries should specialize in producing goods that they can produce more efficiently or at a lower opportunity cost than other countries. By engaging in free trade, countries can exchange goods and services, leading to increased efficiency and overall economic growth. Liberals argue that free trade fosters cooperation enhances global economic interdependence and promotes peace among nations.

On the other hand, realists offer a critique of free trade from a national security perspective. Realists emphasize the importance of protecting domestic industries, as reliance on foreign trade can leave a country vulnerable to economic disruptions or dependency on other nations. They argue that the loss of domestic industries through free trade may weaken a country's economic self-sufficiency and potentially compromise its national security.

Marxists provide a different critique of free trade, focusing on its perpetuation of economic inequality and exploitation. They argue that free trade primarily benefits powerful nations and multinational corporations, enabling them to exploit cheaper labor and resources in developing countries. Marxists contend that free trade exacerbates wealth disparities, reinforces neocolonial relationships, and perpetuates a system that benefits the wealthy elite at the expense of the working class.

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Answer:

I think it's An inelastic collision occurs when an arrow hits the target because when the arrow hits it, the target and the arrow do not bounce away from each other.

Explanation:

Pressure and volume are inversely related. Three times less pressure is exerted.

The pressure rises as the Kelvin temperature rises. Direct proportionality governs the connection between the two sums. When the Kelvin temperature is tripled, the gas's pressure will also triple.

When the temperature rises, both the average kinetic energy and the velocity of the gas particles striking the container walls increase. As the temperature rises, the pressure must as well since pressure is the force the particles per unit of area exert on the container.

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In a 5.0 L container at 373 K and 203 KPa there is 0.327 mol of a gas sample.

The number of moles of a gas sample in a container can be calculated using the ideal gas law, which is represented by the equation PV = nRT, where P is pressure, V is volume, n is the number of moles, R is the ideal gas constant, and T is temperature.

Given the volume (V) of the container as 5.0 L, the temperature (T) as 373 K, and the pressure (P) as 203 kPa, we can rearrange the ideal gas law equation to solve for the number of moles (n) as follows:
n = PV/RT

Substituting the given values into the equation, we get:

n = (203 kPa)(5.0 L)/ (8.314 L*kPa/K*mol)(373 K)

n = 1015 kPa*L / (8.314 L*kPa/K*mol)(373 K)

n = 0.327 mol

Therefore, the number of moles of the gas sample in the 5.0 L container at 373 K and 203 kPa is 0.327 mol.

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Answer:

Imporant Information about Pyrite

Explanation:

Pyrite is a mineral, also called Iron Pyrite. Scientifically, it is called Iron Sulfide (Fe So2). It is also called as Fool's Gold, as its lustrous bale brass yellow texture make it resemble to gold. It is also one of the most abundantly available sulfide minerals.

"Refraction" happens when light energy bends as it passes from one type of substance to another type. Therefore, option c is the correct answer.

Refraction is the bending of a light wave as it passes from one type of substance to another type. Refraction occurs as a result of changes in density and speed. For instance, light slows down as it enters water from air. When light travels through a fast medium and into a slow medium, the light beam is refracted, which causes it to bend in the direction of the boundary between the two media.

Refraction bending allows us to have lenses, magnifying glasses, peepholes in house doors, cameras, prisms, rainbows, movie projectors, and telescopes. Even our eyes rely on this light bending. We wouldn't be able to concentrate light onto our retina without refraction.

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The set of environmental forces that can have a radical and rapid impact on distribution strategy includes technological advancements, regulatory changes, and market disruptions.

Technological advancements, such as e-commerce and automated logistics systems, can rapidly disrupt traditional distribution channels. Companies must adapt their strategies to leverage new technologies and meet changing consumer preferences.

Regulatory changes, such as trade policies or transportation regulations, can suddenly impact distribution strategies. Companies may need to modify their networks or find alternative routes to market due to new laws or restrictions.

Market disruptions, including shifts in consumer behavior, economic downturns, or natural disasters, can require quick reevaluation of distribution channels and supply chain resilience for business continuity.

These forces necessitate agile and adaptive distribution strategies to remain competitive and effectively respond to changing circumstances in the marketplace.

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If a person gets into the rowboat, the water level at the edge of the pool will rise slightly. This is because the weight of the person adds to the weight of the boat and displaces more water, causing the water level to rise.

The amount of the rise in water level will depend on the weight of the person and the size of the boat. Similarly, if objects are added to the boat, the water level at the edge of the pool will also rise. However, if the boat is empty and just floating in the pool, it will displace a certain amount of water and the water level at the edge of the pool will be at the marked level.

Overall, the water level in the pool is determined by the amount of water displaced by the rowboat and any additional weight that is added to it.

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Answer:

Resistor A

Explanation:

Resistors A, B and C are connected in parallel to a battery of voltage represented by V.

Since they are in parallel, the same voltage, V, passes across the three of them.

And from Ohm's law, the voltage (V) through a resistor is the product of the current (I) flowing through it and the resistance (R) of the resistor. i.e

V = I x R

=> I = \(\frac{V}{R}\)

Therefore, assuming the values of the resistances of resistors A, B and C are A, B and C respectively,

(i) the current, \(I_{A}\) through A is

\(I_{A}\) = \(\frac{V}{A}\)

(ii) the current, \(I_{B}\) through B is

\(I_{B}\) = \(\frac{V}{B}\)

(iii) the current, \(I_{C}\) through C is

\(I_{C}\) = \(\frac{V}{C}\)

From the foregoing, it can be deduced that the current is inversely proportional to the resistance. Therefore, the higher the resistance, the lower the current. Consequential of this, the resistor that carries the highest current is the one with the smallest resistance, which is A

Resistor A

Given:

Resistors A, B and C are connected in parallel to a battery of voltage represented by V.

Since they are in parallel, the same voltage, V, passes across the three of them.

Ohm's law:

It states that voltage (V) through a resistor is the product of the current (I) flowing through it and the resistance (R) of the resistor. i.e.

V = I x R

⇒ I = V/R

Therefore, assuming the values of the resistances of resistors A, B and C are A, B and C respectively,

(i) the current,  through A is

\(I_A=\frac{V}{A}\)  

(ii) the current,  through B is

\(I_B=\frac{V}{B}\)

(iii) the current,  through C is

\(I_C=\frac{V}{C}\)  

From the Ohm's law we can say that the current is inversely proportional to the resistance.

Therefore, higher the resistance, the lower is the current.

It is given that resistance of A being the smallest, thus is will carries the highest current.

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After considering the given data we conclude that the linear acceleration of the edge of the rotor is 569 m/s².

The linear acceleration of the edge of the rotor can be evaluated applying  the formula:

a = rω²

Here,
a = linear acceleration,
r = radius of the rotor
ω = angular velocity.
It is known to us that the rotor radius is 7.165 cm and it spins at a constant 2695.0 rpm, we can alter rpm to rad/s as follows:
ω = (2π × 2695.0) / 60 = 282.6 rad/s
Staging these values in the formula above, we get:
a = (7.165 × 10⁻²) × (282.6)² = 569 m/s²
Hence, the linear acceleration of the edge of the rotor is 569 m/s².
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Answer:

  cue ball final: 0.85 m/s at N65°W

  8-ball final: 1.27 m/s at N12°E

Explanation:

In a perfectly elastic collision, both momentum and energy are conserved. The momentum is the sum of products of mass and velocity. The energy is half the product of mass and the square of velocity. The difference of "particle" velocities changes sign as a consequence of the collision.

__

If we let the masses be m1 and m2, the corresponding initial velocities be v1 and v2, and the final velocities be u1 and u2, we have ...

  m1·u1 +m2·u2 = m1·v1 +m2·v2 . . . . . . . conservation of momentum

  u1 -u2 = v2 -v1 . . . . . . . . . . . . . . . relative velocity sign changes

This pair of linear equations can be solved for u1 and u2 in any of the usual ways to give ...

  u1 = v1(m1 -m2)/(m1 +m2) + v2(2·m2)/(m1 +m2)

  u2 = v2(m2 -m1)/(m1 +m2) +v1(2·m1)/(m1 +m2)

__

Using angle measures as clockwise from north, we are given ...

  cue ball: m1 = 0.17 kg, v1 = 1.2∠10° m/s

  eight ball: m2 = 0.15 kg, v2 = 0.89∠-70° m/s

A suitable calculator can find the final velocities using the above equations.

The first attachment shows the calculations using a TI-84 work-alike calculator.

  cue ball final: 0.85 m/s at N65°W

  8-ball final: 1.27 m/s at N12°E

The second attachment shows a vector diagram of the velocities.

Answer:

velocity = 29.4 m/s

Explanation:

We have been told to calculate the velocity of a ball after 3 seconds of freefall. To do this, we can use the following formula:

\(\boxed{v = u + at}\),

where:

• v = final velocity

• u = initial velocity

• a = acceleration

• t = time of freefall

In this case, u = 0 m/s, because the ball is initially stationary before it is released. Also, a = 9.81 m/s² because the ball is falling while inside the Earth, where the acceleration of freefall is 9.81 m/s².

Using the above information along with the formula, we can calculate the velocity of the ball after 3 seconds of freefall:

v = 0 m/s + (9.81 m/s² × 3 s)

  = 29.4 m/s

The magnitude of the electrostatic force between the charged plates is 2.21 x 10⁻³ N.The expression to determine the electrostatic force between the charged plates is F = ε0 * A * V² / (2 * d), where ε0 is the permittivity of vacuum (8.85 x 10⁻¹² N⁻¹ m⁻²),

A is the surface area of each plate (0.0400 m²), V is the electric potential difference between the plates (50.0 V), and d is the separation distance between the plates (0.00200 m).

Therefore,F = (8.85 x 10⁻¹² N⁻¹ m⁻²) * (0.0400 m²) * (50.0 V)² / (2 * 0.00200 m)F

= 2.21 x 10⁻³ N

Thus, the magnitude of the electrostatic force between the charged plates is 2.21 x 10⁻³ N.

In this scenario, we have a capacitor consisting of two identical conducting plates placed parallel and close to each other in a vacuum. The surface area of each plate is given as 0.0400 m², and the distance between the plates is 0.00200 m.

When an electric potential difference of 50.0V is established between the two plates, we can determine the magnitude of the electrostatic force acting between them. This force can be calculated using the formula:

F = (ε₀ * A * V²) / d²

Where:

F is the electrostatic force

ε₀ is the permittivity of vacuum (a constant value)

A is the surface area of each plate

V is the potential difference between the plates

d is the distance between the plates

By plugging in the given values into this formula, we can calculate the magnitude of the electrostatic force between the charged plates.

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Answer:

D all of these

Explanation:

Extrinsic statements originate in parents ,society and teachers. Option D is correct.

Extrinsic motivation is defined as conduct motivated by external incentives. Extrinsically driven people will continue to do something even if it isn't pleasurable or rewarding in and of itself.

These incentives might be monetary or intangible in nature, such as acclaim or renown. Extrinsic motivation is distinct from intrinsic motivation in that it is only motivated by external incentives.

Extrinsic statements originate in;

a. Parents

b. Society

c. Teachers.

Extrinsic statements originate in all of the above given option.

Hence, option D is correct.

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Answer:

It is cold at saturn and far away

Explanation:

This is an example of the ideal gas law, which is a combination of the three laws of thermodynamics.

The ideal gas law relates the pressure, volume, temperature, and number of particles in a gas:

PV = nRT

where;

When the car is driven, the friction between the tires and the road causes the tires to heat up. As the temperature of the air inside the tires increases, the gas particles move faster and collide more frequently with the tire walls, causing the pressure inside the tires to increase.

According to the ideal gas law, an increase in temperature causes an increase in pressure, assuming that the volume and number of particles remain constant. Therefore, the expansion of the tires due to heating is an example of the ideal gas law.

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The length of the string wound around the circular rod is 16 cm.

To find the length of the string, we need to consider that the string goes around the circular rod exactly four times.

Given that the circumference of the rod is 4 cm, we can calculate the length of one complete revolution as 4 cm. Since the string goes around four times, the total length would be 4 times the circumference, resulting in a length of 16 cm.

Therefore, the length of the string wound around the circular rod is 16 cm.

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Answer:

Protostars

Explanation:

The force that transmitted into his leg bones are 15479.52 N. We use third law of kinematic equation to find it.

First, we have to find the value of his velocity when he stop using the third kinematic equation.

V₂² = V₀² + 2 x g x h

V₂² = 0 + 2 x 9.8 x 1

V₂ = 4.42 m/s

Then find the acceleration he has as follow:

a = (V₂-V₁) : t

a = \(\frac{4.42-0}{0.02}\)

a = 221.136 m/s

Then, find the force that we want to know by:

F = m x a

F  = 70 x 221.136

F = 15479.52 N

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Answer:

i) 196J ii) 78.3J iii) 14m/s

Explanation:

i) Formula for gravitational potential energy is

Eg = mgh

Eg = (2)(9.8)(10)

Eg = 196J

ii) Formula for kinetic energy is

Ek = (mv^2)/2

We need to find the velocity first by using one of the key equations of accelerated motion

v^2 = vi^2+2aΔd

v = √vi+2aΔd

v = √2(9.8)(4)

v = 8.85 m/s

Ek = ((2)(8.85^2))/2

Ek = 78.3J

iii)

v = √vi+2aΔd

v = √2aΔd

v = √2(9.8)(10)

v = 14 m/s

Answer:

A

Explanation:

A light-year is a unit of distance, specifically the distance that light travels in one year.

Light travels at a speed of approximately 299,792 kilometers per second (or about 186,282 miles per second) in a vacuum. Therefore, to determine which planet is 20 light-years away from Earth, we need to identify a planet located at a distance of approximately 20 times this speed of light.

As of my knowledge cutoff in September 2021, no known exoplanets have been directly observed and confirmed to be located exactly 20 light-years away from Earth. However, there are numerous exoplanets that have been discovered within a range of distances from Earth.

Some notable exoplanets discovered within approximately 20 light-years of Earth include:

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Answer:

A) v_average = - 10 km / h,  B)    v = 1.6 m / s, v = 17.6 m / s

Explanation:

A) the average speed is the average speed of a body, if we assume that the direction of going up the hill is positive

    v₁ = 40 km / h

    v₂ = - 60 km / h

the average speed is

         v_average = \(\frac{v_1 + v_2}{2}\)

         v_average = ( 40 - 60)/2

         v_average = - 10 km / h

B) in this case they indicate the acceleration a = 3.2 m / s² and the velocity vo = 9.6 m / s

i) the speed for 2.5 s above

         v = v₀ + a t

as the time is earlier

          t = - 2.5 s

we substitute

          v = 9.6 - 3.2 2.5

          v = 1.6 m / s

ii) the velocity for a subsequent time of 2.5 s

          t = 2.5 s

we substitute

          v = 9.6 + 3.2 2.5

          v = 17.6 m / s

With the help of Electro magnetic spectrum we can find wavelength of radio wave.The wavelengths of radio waves range from thousands of metres to 30 cm.

What is Electro magnetic spectrum?

The entire spectrum of electromagnetic radiation, divided into wavelengths or frequencies. All electromagnetic waves move at the speed of light in a vacuum, despite having a wide variety of frequencies, wavelengths, and photon energies.

The electromagnetic spectrum, which also includes numerous subranges, also known as portions, like visible light and ultraviolet radiation, represents the entire range of electromagnetic radiation.

The electromagnetic spectrum includes all radio waves (including commercial radio and television, microwaves, and radar), infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays, and it spans the frequency range from the lowest to the highest (longest to shortest wavelength).

What is radio wave?

Lower frequency electromagnetic radiation than microwaves is referred to as a radio wave. Radio waves have wavelengths that range from tens of thousands of meters to 30 cm. These are equivalent to frequencies between 3 Hz and 1 GHz (109 Hz). Straight-line radio-wave communication signals pass through the atmosphere, reflect off of clouds or ionosphere layers, or are transmitted by satellites in space.

Question is incomplete Complete Question here

What is wavelength of the radio wave in terms of meter?

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In any reaction the reactants are added and then the products are formed. There is always a particular rate of reaction and the reaction moves forward at that rate.

The forward reaction means that the product is formed at that particular rate.

The backward reaction is the when the products are coming back to its original state.

This can be also understood as products coming back in the form of reactants.

There is a continuous reaction happening of products being formed from reactants. But the reversible reaction happens when the reactants are being formed from products.

To ensure that the reaction doesn't go in backward direction, the equilibrium constant is studied.

The equilibrium constant helps to maintain an equilibrium in the reaction. The equilibrium is disturbed by the reaction quotient. The direction in which the reaction will occur will be determined if the reaction quotient is greater or less than equilibrium constant.

Hence, when the reaction quotient is greater than equilibrium constant, the reverse reaction is being favored.

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The test statistic (Z-score) is approximately 4.95.

To calculate the test statistic (Z-score) for this hypothesis test, we can use the formula:

Z = (sample mean - hypothesized population mean) / (standard deviation / sqrt(sample size))

Sample mean (X-bar) = 37

Hypothesized population mean (μ) = 30

Standard deviation (σ) = 8

Sample size (n) = 50

Substituting these values into the formula, we get:

Z = (37 - 30) / (8 / sqrt(50))

Z = 7 / (8 / 7.071)

Z = 7 / 1.414

Z = 4.95 (rounded to two decimal places)

A statistical hypothesis test is a technique for determining if the available data are sufficient to support a certain hypothesis. We can make probabilistic claims regarding population parameters using hypothesis testing.

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Answer:

Preoperational

Explanation:

According to Piaget's theory of cognitive development, the preoperational stage is the second stage. This stage includes children between the age group of 2 to 7 years. Children can understand conservation tasks and learn to manipulate various symbols during this stage.

So, the answer is the preoperational stage.

Answer:

B Preoperational

Explanation:

This is the answer the person above is correct!

This is for edge 2021/2022

Hope this helps!!