Choose two different visual media items that express opinions about trade agreements, barriers to trade or free trade. The resource list provides some examples of visual media and guidance on where to locate them on the Internet. Be sure to include the media item, or directions on how to access it, with your assessment. Make a note of the key events and ideas evident in the item, the creator and date of origin, and be sure to read any captions or quotes that are included.
Analyze the message delivered by each of your visual media items. For each item, respond to the following questions in complete sentences. Cite evidence from the resource and the lesson to justify your responses.

What is the issue discussed in the visual media item you chose?
What is the creator’s viewpoint on the issue? What details in the resource support the author’s claim? Provide evidence from the item to support your response.
Does this viewpoint reflect a commitment to free trade or to protectionism? Explain your answer and include evidence from the item to support your response.
Do you agree or disagree with the viewpoint of the item you chose? Why or why not?

Respond to the following reflection questions based on your understanding of free trade and protectionism.

What are two benefits and two costs of free trade?
What is protectionism and why would a country base trade policy on it? Explain at least two reasons.

Answer:

Lithification is the answer.

Answer:

True

Explanation:

Answer: No, constant speed does not mean constant velocity.

A classic often used example would be to consider a car driving in circles. If the speedometer reads say 20 mph the entire time, then the speed of the car is held constant (ie the same). But the velocity is changing because velocity measures direction along with speed. The car is changing direction as it moves in a circle.

Light phenomena can be better explained by a transverse wave model because light exhibits the characteristics of polarization, it is better described as a transverse wave, since only transverse waves exhibit polarization (option B).

Light is an electromagnetic wave that is made up of both electrical and magnetic fields oscillating perpendicular to each other. These waves travel in the form of transverse waves with an oscillation plane that is perpendicular to the direction of the wave's travel.

Light is always polarized, which means that the oscillations of its electric field are all in the same direction. The phenomenon of polarization can be explained in a transverse wave model, since only transverse waves can be polarized. The polarization of light is used in a variety of applications, including glare-reducing sunglasses, three-dimensional cinema, and some microscopes. Because light is an electromagnetic wave, it travels at the speed of light.

However, if light were a longitudinal wave, it would be unable to exhibit the polarization phenomenon, and therefore option D) Because light is an electromagnetic wave, it is better described as a longitudinal wave, since electromagnetic waves propagate at the speed of light is incorrect.

Option A) Because light can undergo refraction, the light is better described as a longitudinal wave, since only transverse waves are refracted and Option C) Because light can undergo reflection, the light is better described as a transverse wave, since only transverse waves are reflected by a surface are also incorrect.

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Surfing purists dislike aerial moves in competitions, preferring traditional surfing. There is controversy over the emphasis on aerial moves, and diversity of opinion within the community.

The surfing "purists" are likely to be critical of the movement towards incorporating aerial moves into surfing competitions, as they are described as valuing "traditional" or "classic" surfing.

The text notes that these purists "feel that aerial moves represent a departure from classic surfing," and quotes a professional surfer who suggests that "real surfing is all about turns and the flow of the wave."

The article also notes that there is some controversy within the surfing community over the emphasis on aerial moves, with some feeling that it has become too dominant in competitions. This further suggests that there are those within the community who are resistant to this trend.

Overall, it seems that the surfing "purists" value a more traditional, flowing style of surfing and may view aerial moves as a departure from this style.

However, it is important to note that there is diversity of opinion within the surfing community, and not all surfers or fans may share this view.

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The turns ratio of this transformer can be calculated by dividing the primary voltage by the secondary voltage. So, the turns ratio of this transformer is 20:1. This means that for every 20 turns of wire in the primary coil, there is only 1 turn of wire in the secondary coil.

This ratio determines the voltage transformation between the primary and secondary coils. In this case, the transformer is stepping down the voltage from 2,400 volts to 120 volts. Transformers are crucial in electrical power distribution and are used to change the voltage of electrical energy as it travels from power stations to homes and businesses. By changing the voltage, transformers enable efficient transmission of electrical energy over long distances with minimal energy loss. Different types of transformers are used for different applications, depending on the voltage and current requirements of the electrical systems involved.

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Answer:

C. The distance traveled by an object at a certain velocity.

Explanation:

YW!

Answer:

third option is the most accurate

Answer:

Radiation Released by Fission

When an atom is split, three types of radiation that can damage living tissues are released. ... Ionization is the transfer of energy to the molecules that make up tissue, breaking chemical bonds and causing damage to cells and to DNA.

Explanation:

thanks mark as brainiest,rate the answer

An encryption can be defined as a form of cryptography and it typically involves the process of converting or encoding information in plain text into a code, known as a ciphertext. Generally speaking, an information or data that has been encrypted it can only be accessed and deciphered by an authorized user.

This ultimately implies that, an encryption simply refers to a utility which can be used by an end user to to secure his or her sensitive information from unauthorized access or theft by a hacker (attacker).

In Computer programming, some examples of encryption algorithms include the following:

In Computer technology, a defragmentation utility helps to reorganize (rearrange) the data stored on a disk drive and as such, it would make a computer system to run faster. Also, a compression utility is a type of utility which can be used to reduce the size of a large video file that is to be sent through an email.

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Magnesium

Reactivity is based on valence shell electrons.

Valence Shell Electrons

Valence shell electrons are electrons that are on the outermost shell of an atom. For the major periodic families, you can look at their family numbers to see how many valence electrons they have. Magnesium is in family 2, which all have 2 valence electrons. Nitrogen is in family 15, which has 5 valence electrons.

Reactivity

The octet rule states that atoms are more stable when they have full valence shells (8 valence electrons). So, atoms will attempt to lose or gain electrons in order to fulfill the octet rule. An atom can be stable by losing all of its valence electrons or by having 8.

Magnesium has to lose 2 valence electrons and nitrogen has to gain 3 valence electrons to fill the octet. The closer an atom is to filling the octet, the more reactive it will be. Since magnesium is closer to the octet, it is more reactive than nitrogen.

However, elements such as lithium (1 valence electron) or fluorine (7 valence electrons) that are only 1 electron away from filling the octet will be the most reactive.

Answer:

1)  A = 0.25 m², 2) V = 0.5 m³, 3)   m = 1500 kg, 4) W = 14700 N,

5)  P = 58800 Pa

Explanation:

1) The area of ​​the base is square

          A = L²

         A = 0.5²

         A = 0.25 m²

2) The block is a parallelepiped

         V = A h

         V = 0.25 2

          V = 0.5 m³

3) Density is defined

           rho = m / V

           m = rho V

           m = 3000 0.5

           m = 1500 kg

4) The weight of a body is

           W = mg

            W = 1500 9.8

            W = 14700 N

5) The pressure is

             P = F / A

in this case the force is equal to the weight of the body

              P = 14700 / 0.25

              P = 58800 Pa

(1) The area of the base of the block is 0.25 m².

(2) The volume of the block is 0.5 m³.

(3) The mass of the block is 1500 kg.

(4) The weight of the block is 14,700 N.

(5) The pressure exerted by the block is 58,800 N/m²

The given parameters;

The area of the base of the block is calculated as follows;

\(A = 0.5 \ m \ \times 0.5 \ m\\\\A = 0.25 \ m^2\)

The volume of the block is calculated as follows;

\(V = Ah\\\\V = 0.25 \times 2\\\\V = 0.5 \ m^3\)

The mass of the block is calculated as follows;

\(\rho = \frac{m}{V} \\\\m = \rho V\\\\m = 3000 \times 0.5\\\\m = 1500 \ kg\)

The weight of the block is calculated as follows;

\(W = mg\\\\W = 1500 \times 9.8\\\\W = 14,700 \ N\)

The pressure exerted by the block is calculated as follows;

\(P = \frac{F}{A} \\\\P = \frac{14,700}{0.25} \\\\P = 58,800 \ N/m^2\)

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Interference is not restricted to only some types of waves; it occurs for all types of waves.

Interference is a phenomenon that occurs when two or more waves meet in space and time. It results in the superposition of the waves, creating a new wave with a different amplitude, phase, and direction. Interference can occur for any type of wave, including electromagnetic waves (such as light and radio waves), sound waves, and water waves. In fact, interference is a fundamental property of wave behavior and is used in many applications, such as noise-canceling headphones, holography, and radio broadcasting. The interference of waves can be either constructive, where the amplitude of the resulting wave is increased, or destructive, where the amplitude of the resulting wave is decreased. The study of wave interference is an important part of physics and has practical applications in many fields.

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The four forces acting on the plane are:

• Thrust. The force that makes the plane moves in the direction of the motion.

• Drag: Force that act opposite of the motion.

• Lift: The force that holds the plane in the air.

• Weight.

If the pilot wants the plane to stay stable he needs to make sure that the forces on the plane are balanced. In any other case the plane will be going up or down.

Answer:

True.

Explanation:

Total internal reflection is bound to occur when light travels from dense medium to less dense.

From the table given in the question above, we obtained:

Refractive Index of Crown glass = 1.52

Refractive Index of Asphalt = 1.635

From the above, Crown glass has a lower refractive index when compared to Asphalt. This means that Crown glass is less dense than Asphalt.

Therefore, total internal reflection will not occur when light travels from Crown glass to Asphalt because Crown glass is less dense than Asphalt.

Answer: \(0.708\ mA\)

Explanation:

Given

\(E_o=20\ V/m\)

\(\omega =10^7\ s^{-1}\)

Cross-sectional area \(A=0.40\ m^2\)

Current density is given by

\(J=\epsilon_o \dfrac{dE}{dt}\)

Displacement current

\(\Rightarrow I=JA\\\Rightarrow I=8.854\times 10^{-12}\times 20\times 10^7\times 0.4\\\Rightarrow I=0.708\times 10^{-3}\ A\)

The required value of the maximum displacement current of the given space is  \(7.08 \times 10^{-4} \;\rm A\).

Given data:

The intensity of electric field is, \(E_{0}=20 \;\rm V/m\).

The angular frequency of electric field is, \(\omega=1.0 \times 10^{7} \;\rm s^{-1}\).

The cross-sectional area of space is, \(A =0.40 \;\rm m^{2}\).

In the given problem, the instantaneous electric field is given by \(E = E_{0} \times cos(\omega t)\)

So, the expression for the current density is,

\(J= \epsilon_{0} \times \dfrac{dE}{dt}\)

Here, \(\epsilon_{0}\)  is the permittivity of free space. Solving as,

\(J= \epsilon_{0} \times \dfrac{d(E_{0} \times cos(\omega t))}{dt}\\\\J= -\epsilon_{0} \times E_{0} \times \omega \times sin(\omega t)\)

And the expression for the maximum displacement current is,

\(I = J \times A\)

And the maximum displacement current is possible only when, J is positive and J will be positive for  \(sin(\omega t)=-1\).

Then solving as,

\(I = (-\epsilon_{0} \times E_{0} \times \omega \times sin(\omega t)) \times A\\\\I = (-8.85 \times 10^{-12} \times 20 \times (1.0 \times 10^{7}) \times (-1)) \times 0.40\\\\I = 7.08 \times 10^{-4} \;\rm A\)

Thus, we can conclude that the required value of the maximum displacement current of the given space is  \(7.08 \times 10^{-4} \;\rm A\).

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Answer:

A thesis should be a statement that can be argued.

Explanation:

Co-efficient of kinetic friction is 0.12. So, 18.37 m far does Laura slide if she has an initial speed of 6 m/s.

The distance that Laura slides can be calculated using the equation:

d = (v² / 2μg)

where v is the initial speed of Laura, μ is the coefficient of kinetic friction between the floors and socks, and g is the acceleration due to gravity (approximately 9.81 m/s²).

In this problem, we are given the coefficient of kinetic friction between the newly waxed floors and socks (μ = 0.12) and the initial speed of Laura (v = 6 m/s). Substituting these values into the equation, we get:

d = (v² / 2μg)

d = (6 m/s)² / (2 * 0.12 * 9.81 m/s²)

d = 18.37 m

Therefore, Laura slides approximately 18.37 meters.

d = v² / 2μg

d =  (6 m/s)² / 2 * 0.12 * 9.81 m/s²

d ≈ 18.37 m

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Answer:

Kindly check explanation

Explanation:

Given the following information :

Distance between Angela and Blake = 15m

Angela's speed = 5m/s at t = 0

Angela's direction = Right = positive

Blake's speed = 3m/s at t = 0

Blake's direction = left = negative

Position or distance = speed × time

Hence,

Combined speed = (3 + 5) = 8m/s

Distance = 15m

Time = distance / speed

Time = 15 / 8

Time they meet = 1.875 seconds

Distance covered by Angela :

Speed × time

= 5 × 1.875 = 9.375 meters

The equation for the distance traveled by Angela is 5t and the distance covered by Angela  is 9.375 m.

The given parameter:

let the time at which Angela and Blake meet = t

The equation for the distance traveled by Angela = 5t

The time (t) at which Angela and Blake meet will be calculated using relative velocity concept:

since they are closing the distance together, we will add their velocities

(i.e they are working together and not against each other)

\((V_A +V_B) t = 15\\\\(5 + 3) t = 15\\\\8t = 15\\\\t = \frac{15}{8} \\\\t = 1.875 \ s\)

The distance covered by Angela = 1.875 s x 5 m/s = 9.375 m

The distance covered by Blake = 1.875 x 3 m/s = 5.625 m

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Answer:

Explanation:

so a mechanical wave transfers energy through a medium but unlike other waves that move through very long distances

the distance of the mechanical wave is different

Total Cost is =  $107,380 if The farm is 340 acres and had corn planted  add fertilizer to the soil before you plant this years' crop.

A fertiliser is a natural or artificial substance containing chemical elements (such as Nitrogen (N), Phosphorus (P) and Potassium (K)) that improve growth and productiveness of plants. Some synonyms include the terms "enrichment" or "plant nutrient".

Without fertilizers, nature struggles to replenish the nutrients in the soil. When crops are harvested, important nutrients are removed from the soil, because they follow the crop and end up at the dinner table. If the soil is not replenished with nutrients through fertilizing, crop yields will deteriorate over time.

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To determine the Moon's mass, we can use Kepler's Third Law of Planetary Motion, which states that the square of the orbital period of a planet is directly proportional to the cube of its average distance from the Sun.

In this case, the Moon is being orbited by the probe, so we can use the same formula to determine the Moon's mass.

The formula is: T^2 = (4 * pi^2 * R^3) / (G * M),

where T is the orbital period (2.0 Earth days), R is the average distance between the probe and the Moon (550 + 1500 = 2050 km), G is the gravitational constant (6.67 x 10^-11 N * (m/kg)^2), and M is the Moon's mass.

Solving for M, we get: M = (4 * pi^2 * R^3) / (G * T^2)

Plugging in the values, we get: M = (4 * pi^2 * (2050 x 10^3 m)^3) / (6.67 x 10^-11 N * (m/kg)^2 * (2 x 86400 s)^2)

This results in a mass of approximately 7.35 x 10^22 kg.

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The empty crucible and cover are fired to red heat to ensure cleanliness and remove any residual impurities or moisture.

Firing the crucible and cover to red heat helps in the process of annealing, where the high temperature helps to burn off any organic matter or contaminants present on the surface.

This heating process ensures that the crucible and cover are thoroughly cleaned, minimizing the risk of introducing impurities into subsequent experiments or processes.

By reaching red heat, the crucible and cover undergo thermal decomposition of any residual substances, making them chemically inert and ready for use.

The high temperature also helps in drying out any moisture that may be trapped within the crucible or cover, preventing unwanted reactions or inaccuracies in measurements.

Overall, firing the crucible and cover to red heat is a standard practice to prepare them for use, ensuring a clean and uncontaminated environment for subsequent operations.

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A truck accelerating at 0.0083 meters/second2 covers a distance of 5.8 ×\(10^4\) meters. If the truck's mass is 7,000 kilograms, the work done to reach this distance is 3.3× \(10^6\) joules.

The correct answer is option E.

To calculate the work done by the truck to cover a distance of 5.8 × \(10^4\)meters, we need to use the equation for work:

Work = Force × Distance

In this case, the force can be calculated using Newton's second law:

Force = mass × acceleration

Where:

Acceleration (a) = \(0.0083 meters/second^2\)

Distance (d) = 5.8 ×\(10^4\) meters

Mass (m) = 7,000 kilograms

First, let's calculate the force exerted by the truck:

Force = mass × acceleration = (7,000 kg) ×\((0.0083 meters/second^2)\)= 57.1 Newtons

Next, we can calculate the work done:

Work = Force × Distance = (57.1 N) × (5.8 × 10^4 meters) = 3.3158 × \(10^6\)joules

Rounded to the nearest significant figure, the work done by the truck is approximately 3.3 × \(10^6\) joules.

Therefore, the correct answer is E.

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The question probable may be:

A truck accelerating at 0.0083 meters/second2 covers a distance of 5.8 ×\(10^4\)meters. If the truck's mass is 7,000 kilograms, what is the work done to reach this distance?

A. 1.7 × \(10^6\) joules

B. 3.4 ×\(10^6\) joules

C. 5.6 × \(10^6\)joules

D. 6.8 ×  \(10^6\)joules

E. 3,3  ×\(10^6\)  joules

Answer:

I X j = k       (perpendicular to plane)

j X k = 0

i X k = 0       cross products for vectors i, j, k  

Flux = B dot A    and only B in the k direction is relevant

Flux = .550 T * .0435^2  m^2 = .00104 Webers-m^2

The magnitude of the flux through the given surface produced by the magnetic field B is 10.73 T cm².

Magnetic flux is a measure of the amount of magnetic field passing through a given surface. It is defined as the product of the magnetic field B and the area A that it passes through, multiplied by the cosine of the angle between the magnetic field and the surface normal:

Φ = B ⋅ A ⋅ cos(θ)

Where Φ = is the magnetic flux,

B =  is the magnetic field,

A = is the area of the surface,

θ =  is the angle between the magnetic field and the surface normal.

In other words, magnetic flux is a measure of how much magnetic field passes through a surface, taking into account both the strength of the magnetic field and the orientation of the surface with respect to the field.

Magnetic flux is an important concept in electromagnetism and is used to describe the behavior of magnetic fields in a variety of applications, including generators, motors, and transformers. It is also used in the study of magnetism in materials, such as ferromagnetic materials, where the flux density is an important property.

Here in the question,

To calculate the flux through the given surface produced by the magnetic field B, we can use the formula:

Φ = ∫∫ B · dA

Where Φ = is the magnetic flux,

B =  is the magnetic field,

dA =  is an infinitesimal area vector pointing outward from the surface.

Since the surface is a flat square in the xy-plane, its normal vector is the unit vector k^. Therefore, the outward-pointing area vector dA can be expressed as:

dA = dx dy k^

Where dx and dy = are infinitesimal elements of length in the x and y directions, respectively.

Integrating over the surface, we have:

Φ = ∫∫ B · dA

= ∫∫ (0.200T i^ + 0.250T j^ + 0.550T k^) · (dx dy k^)

= ∫∫ 0.550T dx dy

= 0.550T ∫∫ dx dy

= 0.550T (4.35 cm)²

Φ = 10.73 T cm²

Therefore, the magnitude of the flux through the given surface produced by the magnetic field B is 10.73 T cm².

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Answer:

\(T=2.5*10^{-3}s\)

Explanation:

From the question we are told that:

Beat frequency \(F_b=4\)

Frequency \(F=400Hz\)

Generally the equation for Frequency of the violin is mathematically given by

 \(f_v=F_b+F\)

 \(f_v=4+400Hz\)

 \(f_v=404Hz\)

Therefore the period of the violin string oscillations is

 \(T=\frac{1}{f_v}\)

 \(T=\frac{1}{404}\)

 \(T=2.5*10^{-3}s\)

The same thing could reasonably be said about multicollinearity. Specifically, the reason for this is due to the violation of the assumption of independent predictors.

Let us understand what these terms mean:

In statistical analysis, multicollinearity is the high correlation among predictors in a regression model. It is problematic because of its adverse effects on the model, including making it difficult to determine the effect of an independent variable, coefficients becoming insensitive to small changes in the model, and reducing the reliability of the model.

In regression analysis, independent predictors are those variables that contribute to the prediction of the dependent variable or outcome, and their inclusion in the model improves the accuracy of the prediction of the model.

In a regression model, it is an assumption that predictors are independent, which means that the predictors have little to no correlation with each other. If this assumption is violated, it is known as multicollinearity.

Therefore, the same thing could reasonably be said about multicollinearity. Specifically, the reason for this is due to the violation of the assumption of independent predictors.

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Answer:

show vector 2A and maybe i can help

Explanation:

Answer:

(D) 421 kPa

Explanation:

The absolute pressure of the tire is equal to the pressure measured plus the atmospheric pressure of 101 kPa. Then, the absolute pressure is

P = 320 kPa + 101 kPa

P = 421 kPa

So, the answer is

(D) 421 kPa

Here is a solution to your question:

A cornea is a transparent covering that makes up the front of the eyeball, forming a circle that appears black because light does not pass through it. Its primary function is to allow light to enter the eye while also covering a significant portion of the eye's focusing ability.

A normal cornea has a diopter of 43.0, according to lecture. The crystalline lens accounts for the remaining focusing power, and its diopter is 15.8 when not accommodated.

The eye's total focusing power is around 58.8 diopters, enabling it to focus light from great distances on the retina located 1.7 cm away.

If we consider the index of refraction of glass to be ng=1.50, we can design a lens for glasses that will enable us to see underwater as if we were in the air.

For the same, the following information is required:

Focal length, focusing power, and the radii of curvature of the lens are needed.

Since we're working with a thin lens, we can use the thin lens equation, which states that 1/f = (n_g - n_i) * (1/R1 - 1/R2), where f is the focal length, R1 is the radius of curvature of the first surface, R2 is the radius of curvature of the second surface, n_g is the index of refraction of the lens material, and n_i is the index of refraction of the medium in which the lens is located.

Assuming that the medium is water and the index of refraction of water is n_i = 1.33, we can use this equation to compute f, and since we're dealing with a thin lens, we can assume that the radii of curvature are both infinite (flat surfaces).

Using the equation 1/f = (n_g - n_i) * (1/R1 - 1/R2),

we get the following values for the focal length:

1/f = (1.50 - 1.33) * (1/∞ - 1/∞) => 1/f = 0.0177;

f ≈ 56.5 mm.

The focusing power of the lens is calculated using the formula P = 1/f, so P = 1/56.5 ≈ 0.0177.

The radii of curvature of the two surfaces can be assumed to be infinite since we are working with a thin lens. The lens can be shaped like a double-convex lens in this case.

The focal length is 56.5 mm, the focusing power is 0.0177, and the radii of curvature are infinite for both surfaces.

The lens can be made in the form of a double-convex lens.

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