The coolant water used for nuclear fission reactions is usually

Answer:

you Can Do it.please sub my because i'm stronger and i'm better

Assume for the moment that it shows a young child embracing her mother before he departs for a tour of service abroad. How would you employ science to analyse her effects.

What in physics is an energy?

The definition of energy is ability to do work," which is the capacity to apply a force that causes an item to move. organismal biology the study of sentient creatures Social science is the study of people and society.

photo of How might science be used for research,Students who study science get the chance to learn more about how and how things work. Children can learn about the environment they live in through science.

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Answer: The science I would use to study the impact of the father’s departure from her family would be interpretive sociology.

Explanation: The reason I chose this science is because it focuses on the cause of people’s actions.

Can u please give a question to answer

Explanation:

Thermal conductivity is a measure that refers to the rate at which heat is transferred by conduction through a unit cross-section area of a material.

or in simpler terms how well a substance conducts heat.

its formula is seen in the attachment. hope this helps.

The reason why a 7.2 magnitude earthquake with an epicenter in Northern Mexico was felt over 100 miles away in the southern part of California is due to waves generated by earthquakes carrying energy through the earth's crust. Therefore, the correct option is option 3

When an earthquake occurs, the seismic waves created by the movement of the tectonic plates travel through the earth's crust, causing the ground to shake. These waves are capable of traveling long distances and can be felt far away from the epicenter. This is because the energy released by the earthquake is transmitted through the solid rock of the earth's crust. As the waves travel through the ground, they cause the surface to vibrate, which can be felt by people and animals.

Therefore, the reason why the earthquake was felt over 100 miles away in the southern part of California is because the seismic waves generated by the earthquake carried energy through the earth's crust which corresponds to option 3.

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Answer: the answer is D (convection)

Answer:

D.Convection

Explanation:

Answer:

Answer:

Explanation:

In joules (J)

The electric field strength at a distance of 1.20 m on the x-axis is -1.5 × 10⁴ N/C.

To find the electric field strength at a distance 1.20 m on the x-axis, we can use Coulomb's law:

\($$F=k\frac{q_1q_2}{r^2}$$\)

where F is the force between two charges, q1 and q2 are the magnitudes of the charges, r is the distance between the charges, and k is the Coulomb constant.For a single point charge q located at the origin of the x-axis, the electric field E at a distance r is given by:

\($$E=\frac{kq}{r^2}$$\)  where k is the Coulomb constant.

So, let's calculate the electric field due to each charge separately and then add them up:

For the +2.0 C charge at x = 0, the electric field at a distance of 1.20 m is:\($$E_1=\frac{kq_1}{r^2}=\frac{(9\times10^9)(2.0)}{(1.2)^2}N/C$$\)

For the -3.0 C charge at x = 0.40 m, the electric field at a distance of 1.20 m is:

\($$E_2=\frac{kq_2}{r^2}\)

\(=\frac{(9\times10^9)(-3.0)}{(1.20-0.40)^2}N/C$$\)

The negative sign indicates that the direction of the electric field is opposite to that of the positive charge at x = 0.

To find the net electric field, we add the two electric fields\(:$$E_{net}=E_1+E_2$$\)

Substituting the values of E1 and E2:

\($$E_{net}=\frac{(9\times10^9)(2.0)}{(1.2)^2}-\frac{(9\times10^9)(3.0)}{(0.8)^2}N/C$$E\)

net comes out to be -1.5×10⁴ N/C.

Therefore, the electric field strength at a distance of 1.20 m on the x-axis is -1.5 × 10⁴ N/C.

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A cooler made of copper will do the best job of conducting heat.

Copper has the highest thermal conductivity compared to aluminum, silver, and glass. Thermal conductivity refers to the ability of a material to transfer heat. Copper can transfer heat quickly and efficiently, making it a popular choice for heat sinks and cooling devices. Aluminum also has good thermal conductivity, but not as high as copper.

Silver has even higher thermal conductivity than copper, but it is not as commonly used due to its high cost. Glass has very low thermal conductivity and is not a good conductor of heat. In summary, if you are looking for a material that will do the best job of conducting heat for a cooler, copper is the best choice due to its high thermal conductivity.

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To determine the distance from the hip joint where the supporting strap should be attached to the cast, we need to calculate the center of mass of the leg-cast system. The leg consists of the upper thighs and the lower legs (including the feet), each with a specific mass distribution and center of mass. The cast also has its own mass and center of mass. By considering the mass distributions and distances from the hip joint, we can find the overall center of mass of the leg-cast system. The supporting strap should be attached at this center of mass position.

To find the center of mass of the leg-cast system, we first calculate the masses of the upper thighs and lower legs using the given percentages of body weight. Then, we determine the position of the center of mass for each thigh and the lower legs relative to the hip joint. Next, we consider the mass and center of mass of the cast. By taking into account the masses, distances, and positions of each component, we can calculate the overall center of mass of the leg-cast system.

The supporting strap should be attached at the position of the overall center of mass. This ensures that the leg-cast system remains balanced and minimizes discomfort for the patient. By finding the appropriate distance from the hip joint, the patient can properly support the leg in a horizontal position while distributing the weight evenly.

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Answer:

weather conditions

Explanation:

hi I hope it's help you

A hair dryer converts electric energy primarily into heat energy and also into kinetic energy.

A hair dryer converts electric energy into two forms of energy:

1. Heat energy: The primary function of a hair dryer is to generate and deliver hot air to dry and style hair. It achieves this by using an electric heating element that converts electric energy into heat energy. The electrical current passes through the heating element, which has a high resistance, causing the wires to heat up and transfer thermal energy to the surrounding air. This heated air is then blown out of the hair dryer to dry and style the hair.

2. Kinetic energy: In addition to producing heat, a hair dryer also converts electric energy into kinetic energy. The hair dryer contains a fan or impeller that rotates rapidly when powered on. The electric motor within the hair dryer converts electrical energy into mechanical energy, which drives the rotation of the fan blades. As the fan spins, it creates airflow and generates a stream of moving air. This moving air, propelled by the kinetic energy of the fan, assists in drying and styling the hair by directing the heated air onto the desired areas.

Therefore, a hair dryer converts electric energy primarily into heat energy and also into kinetic energy.

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Answer:

time rising = 34 / 9.8 = 3.47 sec

total time in air = 2 * 3.47 sec = 6.94 sec

(time rising must equal time falling)

R = 17 m/s * 6.94 s = 118 m

Can also use range formula

R = v^2 sin (2 theta) / g

tan theta = 34 / 17 = 2

theta = 63.4 deg

2 theta = 126.9 deg

sin 126.9 = .8

v^2 = 17^2 + 34^2 = 1445 m^2/s^2

R = 1445 * .8 / 9.8 = 118 m    agreeing with answer found above

Answer:

62.9%. The molar mass of sodium carbonate is 106 grams per mole. Each water molecule adds another 18.0 grams per mole.

According to the research, the correct answer is that the conditions that affect hurricanes causing them to change direction are higher latitudes.

It is a tropical cyclone that generates strong winds whose storms circulate around a center of low pressure.

In this sense, this phenomenon usually has its beginning in the tropics around the area of low pressure whose direction is influenced by the Coriolis effect that diverts the trajectory of objects that move over the Earth's surface and the higher latitudes that reverse the steering winds.

Therefore, we can conclude that higher latitudes and the Coriolis effect are conditions that affect the path of hurricanes by changing their direction.

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Answer:

oxygen expanding unjhfyysue hjdbdhdjjhd

Answer:

32 psi to 35 psi.

Explanation:

Normal tire pressure is usually between 32~40 psi(pounds per square inch) when they are cold. So make sure you check your tire pressure after a long stay and usually, you can do it in the early morning.

Answer:

6.57 m/s

Explanation:

First use Hook's Law to determine the F the compressed spring acts on the mass. Hook's Law F=kx; F=force, k=stiffnes of spring (or spring constant), x=displacement

F=kx; F=180(.3) = 54 N

Next from Newton's second law find the acceleration of the mass.

Newton's .2nd law F=ma; a=F/m ; a=54/.75 = 72m/s²

Now use the kinematic equation for velocity (or speed)

v₂²= v₀² + 2a(x₂-x₀); v₂=final velocity; v₀=initial velocity; a=acceleration; x₂=final displacement; x₀=initial displacment.

v₀=0, since the mass is at rest before we release it

a=72 m/s² (from above)

x₀=0 as the start position already compressed

x₂=0.3m (this puts the spring back to it's natural length)

v₂²= 0 + 2(72)(0.3) = 43.2 m²/s²

v₂=\(\sqrt{43.2)\\\) = 6.57 m/s

Look at the image for answer

The weight of the cylindrical iron rod is approximately 25.4 N when its density is 7800 kg/m^3, length is 89.5 cm, and diameter is 2.35 cm.

The weight of an object can be calculated using the formula:

Weight (W) = Mass (m) × Gravitational acceleration (g)

To find the weight, we first need to calculate the mass of the rod.

The volume of a cylinder can be calculated using the formula:

Volume (V) = π × (radius)^2 × height

Given:

Density (ρ) = 7800 kg/m^3

Length (height) = 89.5 cm = 0.895 m

Diameter = 2.35 cm = 0.0235 m

The radius (r) can be calculated by dividing the diameter by 2:

r = 0.0235 m / 2 = 0.01175 m

Now, we can calculate the volume of the cylinder:

V = π × (0.01175 m)^2 × 0.895 m

Next, we can calculate the mass (m) using the formula:

m = ρ × V

Substituting the given values:

m = 7800 kg/m^3 × (π × (0.01175 m)^2 × 0.895 m)

Now, we can calculate the weight by multiplying the mass by the gravitational acceleration, which is approximately 9.8 m/s^2:

W = m × g

W = (7800 kg/m^3 × (π × (0.01175 m)^2 × 0.895 m)) × 9.8 m/s^2

After performing the calculations, the weight of the cylindrical iron rod is approximately 25.4 N.

The weight of the cylindrical iron rod is approximately 25.4 N when its density is 7800 kg/m^3, length is 89.5 cm, and diameter is 2.35 cm.

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One statement that is not true is that UV radiation is a type of electromagnetic radiation. It is also a type of ionizing radiation. UV radiation is actually a form of non-ionizing radiation.

UV radiation, or ultraviolet radiation, is a type of electromagnetic radiation that falls between visible light and X-rays on the electromagnetic spectrum. It is often categorized into three types: UVA, UVB, and UVC. Unlike ionizing radiation, such as X-rays and gamma rays, which have enough energy to remove tightly bound electrons from atoms or molecules, UV radiation lacks the necessary energy to ionize atoms or molecules. Instead, it primarily interacts with the outermost electrons of atoms or molecules, leading to chemical reactions and causing biological effects.

UV radiation is commonly associated with sunlight and has various effects on living organisms and materials. It can cause sunburn, premature aging of the skin, and an increased risk of skin cancer. Exposure to excessive UV radiation can also damage the eyes and impair the immune system. It is important to protect oneself from excessive UV exposure by wearing sunscreen, protective clothing, and sunglasses.

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Answer:

792J

Explanation:

Use the formula Force × Distance

With 110 newtons being the force and 7.2 meters being the distance

Which gives 792 and work us measured in joules therefore its joules

Work done is the dot product of force and displacement. The work done on the box to push across the surface for 7.2 m by applying a force of 110 N is 792 J.

Force is an external agent acting on a body tp change it from the state of motion or rest.  Force is a vector quantity thus, it is characterized by a magnitude and direction.

When force acting on a body results in displacement of the body, it is said to be work done on the body. The work done on the body is the product of force and displacement.

W = F d.

Given the force acting on the box = 110 N

 displacement d = 7.2 m

Work done w = 110 N × 7.2 m

                       = 792 J.

Therefore, the work done on the box is 792 J.

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Answer:

3

Explanation:

If there is 3 at the moment (atm) is the same as might be (mb) in the air.

Answer:

D

Explanation:

From the given options let's select the example which shows a conceptual model.

A conceptual model can be said to be a model which shows an abstract representation of any concept which can be visualized or imagined than other models.

It is a model which the designers want users to understand.

From the list, the best option which is an example of a conceptual model is a mental image of gas molecules as tiny balls.

Let's say, for example, you imagine or have a mental picture of gas molecules using your imagination, it helps to understand how a vacuum system works and you can easily solve the problem if something goes wrong.

Therefore, the example of a conceptual model is:

A mental image of gas molecules as tiny balls.

• ANSWER:

A. mental image of gas molecules as tiny balls

Answer:

3. When the number of turns, N is doubled, the strength of the electromagnet is also doubled

4. Doubling the voltage, doubles the strength of the electromagnet

5. The number of paper clips a 7.5 V battery would pick is approximately 28 paper clips

The number of paper clips a 7.5 V battery would pick is 59 paperclips

6. For the 50-coil electromagnet, the average number of paper clips a 1 V battery would pick is approximately 7 paperclips

For the 50-coil electromagnet, the average number of paper clips a 1 V battery would pick is 16 paperclips

Explanation:

3. The Magnetomotive Force, MMF = The Number of Turns on the Coil, N × The Current I Flowing in the Coil, I

∴ MMF = N × I

When the number of turns, N is doubled, the magnetomotive force, MMF is also doubled, and the strength of the electromagnet is doubled

4. Given that the voltage, V applied to the coil = The current, I flowing × The resistance, R of the coil, we have

V = I × R

Therefore, for a given constant resistance in the coil, doubling the voltage, doubles the current and therefore doubles the strength of the electromagnet

5. The average slope for the 25-coil electromagnet = (23 - 12)/(6 - 3) = 3.\(\bar 6\)

The number of paper clips a 7.5 V battery would pick = 12 + (7.5 - 3) × 11/3 = 28.5 paperclips  ≈ 28 paper clips

The average slope for the 50-coil electromagnet = (48 - 26)/(6 - 3) = 7.\(\bar 3\)

The number of paper clips a 7.5 V battery would pick = 26 + (7.5 - 3) × 22/3 = 59 paperclips

6. The slope calculated from a start point of approximately 0.4 V, is given as follows;

The slope for the 25-coil electromagnet = (12 - 6)/(3 - 0.4) = 30/13

Therefore, for the 25-coil electromagnet,  the average number of paper clips a 1 V battery would pick = 6 + (1 - 0.4) × 30/13) = 96/13 ≈ 7 paperclips

The slope for the 50-coil electromagnet = (26 - 13)/(3 - 0.4) = 5

Therefore, for the 50-coil electromagnet,  the average number of paper clips a 1 V battery would pick = 13 + (1 - 0.4) × 5 = 16 paperclips

3. When the number of revolutions, N, is twice, the electromagnet's strength is doubled as well.

4. Doubling the voltage doubles the electromagnet's strength.

5. The number of paper clips selected by a 7.5 V battery is 59.

6. For a 50-coil electromagnet, a 1 V battery would pull up around 7 paperclips on average. The average number of paper clips picked by a 1 V battery for a 50-coil electromagnet is 16 paperclips.

The magnetic field of an electromagnet is created by an electric current. Electromagnets are caused from conducting wire wriggled into a coil.

A magnetic field is created in the hole by a current passing through the wire.

The magnetic field production is increased by;

1) increasing the number of turns

2) increase the area of the loop

3) by moving the magnet faster

Answer for the following given options as follows;

3. When the number of revolutions, N, is twice, the electromagnet's strength is doubled as well. Because the no of coils in the circuit is directly proportional to the strength of electromagnet.

4. From the ohm's law principal doubling the voltage twice the current and hence the electromagnet's strength for a given constant resistance in the coil increases.

5. For the 25-coil electromagnet, the average slope is ;

\(\rm m_{avg}= \frac{23-12}{6-3} \\\\ m_{avg}= 3\)

The number of paper clips selected by a 7.5 V battery is;

\(\rm n = 12+ (7.5-+3)\times \frac{11}{3}\\\\n = 28.5\)

For the 50-coil electromagnet, the average slope;

\(\rm (m_{avg})_{50}= \frac{48-26}{6-3} \\\\\ \rm (m_{avg})_{50}= 7\)

The number of paper clips selected by a 7.5 V battery is;

\(\rm N = 26+(7.5-3) \times \frac{22}{3} \\\\ N= 59\)

The following is the slope determined from a starting position of around 0.4 V:

For the 25-coil electromagnet, the slope is;

\(\rm m_{25}=\frac{12-6}{3-0.4} \\\\\ m_{25}=\frac{6}{2.6} \\\\ m_{25}=\frac{30}{13}\)

As a result, the average number of paper clips a 1 V battery would choose for the 25-coil electromagnet is;

\(\rm N_{25}=6+ (1-0.4)\times \frac{30}{13} \\\\ N_{25}=\frac{96}{13} \\\\ N_{25}= 7 \ paperclip\)

For the 50-coil electromagnet, the slope is;

(26 - 13)/(3 - 0.4) = 5.

As a result, the average number of paper clips picked by a 1 V battery is;

\(\rm N'_{50}= 13+ (1-0.14)\times 5 \\\\ N'_{50}=16\)

Hence,the average number of paper clips picked by a 1 V battery for a 50-coil electromagnet is 16 paperclips.

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The time of flight of the stone when projected at the angle of 30 degrees is 5.102 s.

Since the stone is in a projectile motion, only the force of gravity acts upon the stone.

Angle of projection = θ = 30°

Height of the tower = 100 m

Initial velocity = u = 100 m/s

Acceleration due to gravity = g = 9.8 m/s²

The time of flight = T =

= T = usinθ /g

= T = 100 sin 30 / 9.8

= T = 50 / 9.8

= T = 5.102 s

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Answer:

0.024m^3

Explanation:

=======

Answer:

=======

Given:-

Mass of the block of wood = 24 kg

Volume of wood = 0.032 m^3

Density of water = 1000kg/m^3

Now,

Density of wood is given by,

\frac{m}{v} = \frac{24}{0.032} \\

\frac{m}{v} = 750 \: kg/m ^{3}

Therefore,

The density of wood is 750kg/m^3

By principle of floatation,

Mass \:of\: wood = Mass\: of\: liquid \:displaced

Therefore,

Mass of liquid displaced = 24kg

Volume of liquid displaced (v),

\frac{m}{v} = \frac{24}{1000} \\

\frac{m}{v} = 0.24m ^{3}

Now,

Since the volume of the wood is equal to the volume of water displaced, it is 0.024m^3

=====

Note:

=====

=> The volume of the wood below the water surface is the volume of water displaced.

=> Buoyant\: force = Weight\: of\: the \:displaced\: water.

The statement is false, and the reasoning is as follows: The principle of conservation of energy states that energy can neither be created nor destroyed but can only be transformed from one form to another.

Principle of conservation of energy states: energy cannot be created or destroyed but can be transformed from one form to another.

In this case, we can assume that the stone is dropped from a height and falls to ground due to the force of gravity. Initially, stone has only gravitational potential energy, which is given as 100 J. As stone falls, it gains kinetic energy, which is the energy of motion. At the point where the stone reaches ground, all of its potential energy has been converted to kinetic energy.

Total energy of the stone at any point during its fall is the sum of its potential and kinetic energy. Therefore, we can write:

So total energy = Gravitational potential energy + Kinetic energy

Total energy at initial position = Total energy at ground level

Or, 100 J = 75 J

This is not possible as we know that energy cannot be created or destroyed and can only be transformed from one form to another.

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