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The ocean conveyor belt is a global system of deep and surface ocean currents that circulate water around the world. It is driven by differences in water density, temperatures, and salinity.

Salinity is the measure of the amount of dissolved salts in a given volume of water. It is typically expressed as parts per thousand (ppt) or parts per million (ppm). Salinity can be found in most bodies of water, including oceans, rivers, and lakes. Salinity levels can vary greatly depending on the source of the water, the amount of rainfall, and other factors. In general, the higher the salinity, the more difficult it is for organisms to survive in the water. High salinity levels can also affect the taste and smell of the water, and can be an indicator of water pollution. Salinity can also be an important factor for many human activities, such as agriculture, industry, and navigation.

The ocean conveyor belt has a huge effect on coastal climates by transporting heat from the tropics to higher latitudes, where it is released into the atmosphere. This helps warm coastal climates, resulting in milder winters and cooler summers. It also helps to reduce the effects of extreme weather events such as droughts and floods, by moderating temperatures and redistributing moisture.

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Answer:

\(velocity = \frac{distance}{time} \\ velocity = \frac{10}{12.20} \\ velocity = \frac{50}{61} \\ multiply \: by \: 3.6u \: can \: convert \: to \: km \: per \: hour \\ velocity = \frac{50}{61} \times 3.6 \\ v = \frac{180}{61} \\ v = 2.95 \frac{km}{h} \\ thank \: you\)

Answer:

this is a difficult question but I will try to answer it answer for this is 3220 a + b b u s y d l new

Answer:

C). weight hung from the spring

Explanation:

An Independent variable is characterized as the variable that is controlled or manipulated by the experimenter in order to observe its change on the dependent variable.

In the given experiment, 'weight hung from the spring' is the independent variable as it is manipulated by the researcher in order to witness its impact on the dependent variable(how the spring stretches). It is the cause that causes an effect on the dependent variable. Any change in the former directly affects the latter. Thus, option C is the correct answer.

Each particle carries a charge of 74.68 μC.

The inverse square dependency of electric force is represented by Coulomb's law. Additionally, the law is accurately used in the proofs of Magnus' law for general instances. Coulomb's law's vector form is crucial since it describes the direction of the electric fields created by charges.

Briefing:

Coulomb's law, force of attraction/repulsion

F = kQ₁Q₂/r²

Q₁ and Q₂ are the charges in coulombs

r is separation in meters

k = 8.99e9 Nm²/C²

Here, Q1 = Q2 = Q

So,

F = kQ² / r²

Q = r√(F/k)

   = 5.0*10^-3(2.0/8.99e9)1/2

   = 5.0*10^-3*1.49*10^-5

   = 7.46810^-8 C

   = 74.68 μC

Therefore, 74.68 μC is the magnitude of each charge.

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The time taken for the passenger jet to move from 5 km/h to 460 km/h on the run way during the take off is 10.03 s

From the question given above, the following data were obtained:

The time taken for the the passenger jet to move from 5 km/h to 460 km/h can be obtained as follow:

a = (v – u) / t

12.6  = (127.78 – 1.39) / t

12.6 = 126.39 / t

Cross multiply

12.6  × t = 126.39

Divide both sides by 12.6

t = 126.39 / 12.6

t = 10.03 s

Thus, we can conclude that the time taken is 10.03 s

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Answer:

Because both monomers and polymers and cross linked polymers are mers with physically properties which is good for applycations

Explanation:

because they are good for using and not using

also, this is a 5 point question, you are not  fooling anyone. thx for 5 points tho

Answer:

heat

Explanation:

Person-1

\(\\ \sf\longmapsto Acceleration=\dfrac{v-u}{t}\)

\(\\ \sf\longmapsto Acceleration=\dfrac{10-0}{10}\)

\(\\ \sf\longmapsto Acceleration=\dfrac{10}{10}\)

\(\\ \sf\longmapsto Acceleration=1m/s^2\)

Person-2

\(\\ \sf\longmapsto Acceleration=\dfrac{0.25-0}{2}\)

\(\\ \sf\longmapsto Acceleration=\dfrac{0.25}{2}\)

\(\\ \sf\longmapsto Acceleration=0.125m/s^2\)

Person-1 is accelerating faster.

Answer:

Short answer: No

Explanation:

Long answer: Kinetic energy is the amount of energy in a moving object. Gravitational potential energy is the energy in an object because of the object's position in the gravitational field.

Imagine a car travelling along a road. There is a wall at one end of the road and car collides with this wall. The energy released when the car collides with the wall is the kinetic energy of the moving car. To have kinetic energy an object must have velocity. The equation for the kinetic energy of a moving object is

K.E = \(\frac{1}{2} mv^{2}\) , where m is the mass of the object and v is velocity. So, if velocity is zero (i.e. the object isn't moving), K.E = 0.

Now, imagine a car falling from a plane which is flying at a height of 300 metres from the ground. The energy the car possesses at a height of 300m is its gravitational potential energy. This is the energy which causes the falling car to move toward the ground in the first place.

You might think that as the car moves towards the ground, it has velocity since it's moving.  Well, yes; the car does have kinetic energy, but only when it starts moving; the car does not have any kinetic energy when it's on the cargo hold of the plane. It is the gravitational potential energy of the car which causes an increase in kinetic energy. The equation for gravitational potential energy is:

\(G.P.E = mgh\)  , where m= mass of the object, g is the gravitational field strength (i.e 10N/kg) and h is the height of the object from the ground. So, imagine if the car parked on the ground, its gravitational potential energy would be zero, and if gravitational potential energy is zero, then there will be no force to cause the car to start moving and gain kinetic energy.

In this sense, you might say that the kinetic energy of the object does depend on its gravitational potential energy, but remember, in the first example, the car was not moving downwards; it was moving horizontally. So gravitational potential energy only affects kinetic energy downwards, but kinetic energy can be in any direction.

And hence, gravitational potential energy does not affect kinetic energy.

D, invisible is not a way light can be transmitted.

Light can be transmitted through a medium such as air, water, glass, or a vacuum. When light is transmitted, it passes through the medium without being absorbed or reflected, allowing it to be seen on the other side of the medium. Transmission of light can occur in a straight line or can be refracted or diffracted, depending on the properties of the medium it is passing through.

Light can be absorbed by a material, which means that the energy of the light is transferred to the material. When this happens, the material may become excited, and the energy can cause a change in the material, such as heating it up, causing it to emit light, or causing a chemical reaction.

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Explanation:

It is given that,

The distance covered by a body along the x-axis is given by :

\(x=2t^3+5t^2+t\)

t is in seconds and x is meters

Speed of the body is given by :

\(v=\dfrac{dx}{dt}\\\\v=\dfrac{d(2t^3+5t^2+t)}{dt}\\\\v=6t^2+10t+1\)

At t = 0,

\(v=6(0)^2+10(0)+1=1\ m/s\)

At t = 2 s,

\(v=6(2)^2+10(2)+1=45\ m/s\)

So, the average speed in a time interval from t= 0s and t=2s is 45 m/s.

the force between the two wires if they are separated by 2.50 cm is 0.525 N.

Given that force F between two parallel wires carrying electric currents is inversely proportional to the distance d between the wires and that a force of 0.750 N exists between wires that are 1.75 cm apart and that we are supposed to find the force between them if they are separated by 2.50 cm.

Let the initial force be F₁ and the initial distance be d₁.

Therefore, we can write the relationship between force and distance as;

F₁d₁ = F₂d₂

Where

;F₁ = 0.750 N (initial force)

d₁ = 1.75 cm (initial distance)

F₂ = ? (force at new distance)

d₂ = 2.50 cm (new distance)

Let us find F₂;F₁d₁ = F₂d₂F₂ = F₁d₁/d₂

Now substitute the values we know;

F₂ = (0.750 N x 1.75 cm) / 2.50 cmF₂ = 0.525 N

Therefore, the force between the two wires if they are separated by 2.50 cm is 0.525 N.

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The correct expression for the acceleration magnitude {a}aa of the stunt woman from from the above given task is: m(a + g).

The correct option is b.

The complete image is attached.

It follows that one of the Newton law motion describes a system that in every action, there is equal and opposite reaction. In order words, no reaction will occur without an action.

That being said, the stunt woman from the above given task possesses a mass m which will ultimately be falling under acceleration due to gravity. This means that the acceleration, a by the process equals gravitational acceleration, g under standard conditions. It is on this premise that her acceleration magnitude {a}aa is given by m(a + g).

In conclusion, we now know from the detailed explanation and image above that the magnitude of the woman is m(a + g).

Complete question:

A stunt woman of mass m falls into a net during the filming of an action movie. She experiences a normal force magnitude {F_n}F

n

F, start subscript, n, end subscript while touching the net.

Which of the following statements is correct for the acceleration magnitude {a}aa of the stunt woman?

Consider upward as the positive direction

a. m(a - g).

b. m(a + g).

c. m(a + g + m)

d. None of the above.

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Answer:

A motion map can represent the position, velocity, and acceleration of an object at various clock readings. ... The corresponding motion map has the points spaced farther apart (because the car would go a further distance in each second), and the velocity vectors (arrows) are longer, because the car is moving faster.

Explanation:

Here's the fact that you need to know:

"The AREA under a speed/time graph is the distance traveled during the time covered by the graph."

Now ... What's the area of that nice trapezoid on the graph ?

Hint: Area of a trapezoid is

(1/2) • (height) • (base-1 + base-2)

Racial Formations essay reading, race is defined as a socio historical concept.

According to the authors of the "Racial Formations" essay, race is a socio-historical concept that is constantly being constructed and reconstructed by society. This means that race is not a fixed biological category but a product of social, cultural, and historical processes that shape our understanding and interpretation of human differences. The authors argue that the concept of race is not based on any objective biological criteria, but rather on socially constructed ideas about physical and cultural differences that are used to justify power relations and social inequalities.

I agree with this definition of race as a socio-historical concept because it acknowledges that race is not a natural or biological phenomenon, but rather a product of human history and social relations. It recognizes that race is not something that is fixed or immutable, but rather something that is constantly being constructed and reconstructed by society through processes of racialization and racial formation. This perspective challenges the traditional biological concept of race, which assumes that human differences are based on fixed and immutable categories such as skin color, facial features, or genetic makeup.

In reality, race is socially constructed and can change over time and across different societies. For example, what is considered "black" or "white" in one society may be different in another, and what is considered "racial" in one context may not be in another. The social construction of race is also reflected in the way that racial categories are used to justify power relations and social inequalities, such as in the case of racial discrimination or racial profiling. In summary, race is a socio-historical concept that is shaped by society and culture, and it is important to recognize this in order to challenge racial discrimination and promote social justice.

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Answer:

C

Explanation:

There is a decrease in temperature and daylight and plants produce less food.

Please mark brainliest!!

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Answer:

a star in andromeda

Explanation:

all of the other objects are in the milkyway (where we are) and the andromeda galaxy is 2 million light years away from us

(a) The gravitational force received by each 1 kg mass is 8.66 N.

(b) The magnitude of gravitational acceleration is 8.66 m/s².

(c) The orbital speed of the ISS is  7,663.6 m/s.

(d) The time take  for the ISS to orbit round the Earth is 5,558.75 seconds which is equal to 1.54 hours.

The gravitational force received by each 1 kg mass is calculated as follows;

F = Gm₁m₂/r²

where;

F = (6.67 x 10⁻¹¹ x 5.97 x 10²⁴ x 1) / (6780,000)²

F = 8.66 N

mg = GMm/r²

g = GM/r²

where;

g = (6.67 x 10⁻¹¹ x 5.97 x 10²⁴ ) / (6780,000)²

g = 8.66 m/s²

v = √GM/r

v = √(6.67 x 10⁻¹¹ x 5.97 x 10²⁴  / 6780,000)

v = 7,663.6 m/s

T = 2πr/v

T = (2π x 6780,000) / (7663.6)

T = 5,558.75 seconds

1 hour = 3600 seconds

=  5,558.75/3600

= 1.54 hours

Thus, the gravitational force received by each 1 kg mass is 8.66 N.

The magnitude of gravitational acceleration is 8.66 m/s².

The orbital speed of the ISS is  7,663.6 m/s.

The time take  for the ISS to orbit round the Earth is 5,558.75 s = 1.54 hours.

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\(\qquad\qquad\huge\underline{{\sf Answer}}\)

Wavelength, Wavespeed and frequency depends on each other in the following way :

\(\qquad \sf  \dashrightarrow \: frequency = \dfrac{wave \: \: velocity}{wavelength} \)

\(\qquad \sf  \dashrightarrow \: f = \dfrac{389}{8} \)

\(\qquad \sf  \dashrightarrow \: f \approx 48.62 \: \: hertz\)

And we know the Reciprocal relationship between frequency and period ~

So, let's find it's period •

\( \sf{\qquad \sf  \dashrightarrow \: t = \dfrac{8}{389}} \)

\( \sf{\qquad \sf  \dashrightarrow \: t \approx 0.02 sec } \)

Answer: Planets would be pulled into the sun

Explanation:

This is the correct answer.

Answer:

The second law of a vibrating string states that for a transverse vibration in a stretched string, the frequency is directly proportional to the square root of the string's tension, when the vibrating string's mass per unit length and the vibrating length are kept constant

The law can be expressed mathematically as follows;

\(f = \dfrac{1}{2\cdot l} \cdot \sqrt{\dfrac{T}{m} }\)

The second law of the vibrating string can be verified directly, however, the third law of the vibrating string states that frequency is inversely proportional to the square root of the mass per unit length cannot be directly verified due to the lack of continuous variation in both the frequency, 'f', and the mass, 'm', simultaneously

Therefore, the law is verified indirectly, by rearranging the above equation as follows;

\(m = \dfrac{1}{ l^2} \cdot \dfrac{T}{4\cdot f^2} }\)

From which it can be shown that the following relation holds with the limits of error in the experiment

m₁·l₁² = m₂·l₂² = m₃·l₃² = m₄·l₄² = m₅·l₅²

Explanation:

Answer:

No

Explanation:

20 billion light-years away are beyond our sight and perspective on Earth and wouldn't be observable in our universe.

Answer:

if I understand ur question, you mean does the surface area of solute, temperature of solvent and the amount of particles affect the rate of dissolution?

YES

How? The surface area of the solute is the part that is in contact with the solvent. For this reason granules or powdery substance dissolves better than it lumps.

The temperature of solvent also affects dissolution. For solid solutes, increase in temperature causes solute to disslove better but for gases increase in temperature reduces their solubility

Amount of particles also affect dissolution. A quantity of solvent has limited number of particles it can dissolve. If the particles are more than the solvent can dissolve,the excess particles will precipitate out

Answer:

lamp power with what is the current through the lamp when it is connected to a battery ?

Explanation:

If the light bulbs are connected in parallel, the current flowing through the light bulbs combine to form the current flowing in the battery, while the voltage drop is 6.0 V across each bulb and they all glow. One bulb burning out in a series circuit breaks the circuit.

Using the 2nd equation of motion;

= s = ut + ½at²

= 40 = u×2 + ½ × 6 × 2²

= 40 = 2u + 3 × 4

= 40 - 12 = 2u

= 28/2 = u

= 14 m/s = u

And its done! Simple isn't? :P

Answer:

F, it's a BTU

Explanation: