Will the electro magnet attract more or fewer steel clips if there are half as many turns of wire around the iron nail

Answer:

The circuit works the same no matter where you put the switch

Explanation:

Part of the electrical code (for house wiring) says that the switch should always go between the hot conductor and the load. This is for safety

Therefore, the thermal conductivity of argon (CV,m = 12.5 J·K−1·mol−1, σ = 0.36 nm2) at 298 K is 137.7 mW/(m·K).

The thermal conductivity (λ) of a gas can be estimated by the kinetic theory of gases using the equation:λ = 1/3 × Cv, m × vλ = thermal conductivity Cv,m = heat capacity at constant volume v = average speed of the molecules

The equation to calculate the average speed of the molecules: v = √((8 × R × T) / (π × M))

Where, R is the gas constant, T is the temperature in Kelvin, and M is the molar mass of the gas. Here, we have to calculate the thermal conductivity of argon (CV,m = 12.5 J·K−1·mol−1, σ = 0.36 nm2) at 298 K.

So, let's plug in the values. v = √((8 × R × T) / (π × M))√((8 × 8.314 × 298) / (π × 0.04)) = 330.9 m/sλ = 1/3 × Cv,m × vλ = 1/3 × 12.5 × 330.9λ = 137.7 mW/(m·K)

More on thermal conductivity: https://brainly.com/question/14553214

#SPJ11

1) The radiations are associated with both electric and magnetic field is called "Electromagnetic radiation".

4) IR rays, Alpha rays, Beta rays.

Answer:

the inertia of an object

Answer:

DMs are not accessible anymore. I assume Zuka is a staff member? the only way to talk to a staff member anymore is to report something, but even then, the probably won't even look at what they're deleting :/

May I have brainliest please? :)

Answer: If two objects have the same mass but have different sizes, the object with the greatest density will be the smaller of the two objects. Using an example of two cubes.

Explanation:

Answer:

the smaller of the two objects

Explanation:

If two objects have the same mass but have different sizes, the object with the greatest density will be the smaller of the two objects.

Answer:

It’s fun

Explanation:

If a person sitting on the outer edge of a merry-go-round travels at a greater speed than a person sitting near the center because the linear velocity is a product of the angular velocity and the perpendicular distance from the center .

It is defined as motion when the object is moving in a circle with a constant speed and its velocity is changing with every moment because of the change of direction but the speed of the object is constant in a uniform circular motion .

Because the linear velocity is a function of the angular velocity and the perpendicular distance from the center .

Thus, the person seated on the outside edge of a merry-go-round will move more quickly than a person seated near the center .

To learn more about uniform circular motion here, refer to the link given below ;

https://brainly.com/question/2285236

#SPJ2

Bobby pins, stacks of newspapers, grandma's teeth in a glass. 2. Items found in your yard/things you used to do in the yard: dog bones, broken fences, flashlight tag, a hose coiled like a snake. (Feel free to think metaphorically.)

What's an ordinary item?

Very roughly, ordinary objects are objects belonging to kinds that we are naturally inclined to regard as having instances on the basis of our perceptual experiences: dog, tree, table, and so forth

What has made The Ordinary so popular?

The Ordinary differs from other beauty companies because it combines research with straightforward packaging, high active ingredient concentrations, and affordable pricing points. The Ordinary offers skin care, hair care, complete body care, and makeup with an emphasis on straightforward, scientifically supported ingredients.

To know more about ordinary item visit;

https://brainly.com/question/24917789

#SPJ4

The original pressure of the gas is approximately 1.758 torr.

To calculate the original pressure, we use Boyle's Law equation, which states that the product of initial pressure and volume is equal to the product of final pressure and volume for an isothermal process. By rearranging the equation and substituting the given values, we can solve for the original pressure. The result is approximately 1.758 torr.

To learn more about pressure, Click here: brainly.com/question/29341536?

#SPJ11

To balance the torque bar, we can use the equation: torque = force x distance. In this case, the torque on one side of the pivot should be equal to the torque on the other side.

For the first scenario, the torque is calculated as follows:
Torque1 = (300 g) x (20 cm)

To balance the torque bar, we need to find the mass that should be placed 30 cm from the pivot. Let's call it mass2. The torque equation for this scenario will be:
Torque2 = (mass2 g) x (30 cm)

Since the torque on both sides of the pivot should be balanced, we can set up the equation:
Torque1 = Torque2

(300 g) x (20 cm) = (mass2 g) x (30 cm)

To solve for mass2, we can divide both sides of the equation by 30 cm:
(300 g) x (20 cm) / (30 cm) = mass2 g

After simplifying, we find that mass2 is approximately 200 g.

In summary:
You will have to place a mass of approximately 200 g 30 cm from the pivot to balance the torque bar.
By equating the torques on both sides of the pivot, we can determine the mass required. The torque equation for each side of the pivot is set equal to each other, and by solving the equation, we find that the mass needed is approximately 200 g.

Learn more about the torque bar: https://brainly.com/question/28221040

#SPJ11

Answer:

B

Explanation:

thanks me later

thanks for 5 points love you

hehehehe

The force F acting on the surface is 4.57 N. The total energy stored in the system when the spring is stretched is 0.132 J. The magnitude of acceleration on the spring is 18 m/s². The speed of the block when reaches equilibrium position is 1.03 m/s.

The force acting on a stretchable material is directly proportional to the displacement of the object from the equilibrium position x.

Thus, F = k x.

Where, k is called the force constant or spring constant.

Given that, the displacement = 5.46 cm = 0.054 m

force constant = 83.8 N/m

Force = 83.8 N/m × 0.054 m = 4.57 N

The total energy stored on the system is equal to its potential energy mgh

m = 0.250 kg

Then p = 0.250 kg × 0.054 m× 9.8 m/s² = 0.132 J

Acceleration = force/ mass

= 4.57 N/0.250 = 18 m/s²

At the equilibrium position, the kinetic energy of stretching equal to the potential energy stored on it.

hence, speed v = √(2gh)

v = √2× 9.8 m/s² ×0.054m = 1.03 m/s.

Find more on force constant :

https://brainly.com/question/15170479

#SPJ1

the resistance of the wire to the nearest tenth of an ohm is 2Ω.

What is resistance?

resistance is a measure of the opposition to current flow in an electrical circuit. resistance always measure in ohm.It design with R.A resistor is a device designed to produce resistance. resistor can be used to the  limit current, divide voltage, or generate heat.

Sol-Potential difference (V) = current (I) * Resistance (R)

V = IR

I = 2.0A

V = 10v

So the

R = ?

V = IR

R = V / I

R = 10 / 2

R = 2Ω

Thus the,

The resistance across the wire is 2Ω.

To know more about resistance click-

https://brainly.com/question/17563681

#SPJ4

2. change the amount of electric current

The current through the 2Ω resistor is 9.5A

The terminal voltage is 10.8 V

a) The voltage V across 8 Ω resistor is V = I*R = 8*0.5 = 4V

the current through 16Ω resistor is then I = V/R = 4/16 = 0.25 A

the current through 20Ω resistor is then I = current through 8Ω resistor + current through 16Ω resistor = 0.75 A

voltage across 20Ω is V = I*R = 0.75*20 = 15 V

the source voltage is Vs = V8 + V20 = 4+15 = 19 V

therefore the current through 2Ω resistor is

I = V/R = 19/2 = 9.5 A

b) The terminal voltage is

Vterminal = VR = I*R = 0.450*24 = 10.8 V

Read more about resistors here:

https://brainly.com/question/24858512

#SPJ1

No, Saman didn't travel at constant speed

v₁ = 90/35 = 2.57 m/s

v₂ = 0

v₃ = 90/75 = 1.2 m/s

Average speed = total distance/time

Average speed = (90+90)/(35+70+75) = 1 m/s

Answer:

The mass of the object.

Explanation:

Happy Thanksgiving!

The Schwarzschild radius of a black hole depends solely on its mass. The Schwarzschild radius is a concept in general relativity that defines the boundary known as the event horizon.

The formula for the Schwarzschild radius is given by:

r_s = 2GM / c²

Where: r_s is the Schwarzschild radius

As the mass of the black hole increases, its Schwarzschild radius also increases. This means that a more massive black hole has a larger event horizon and a stronger gravitational pull.

The mass of the black hole is the primary factor determining the size of the Schwarzschild radius, while other properties, such as spin or charge, can also affect the structure and behavior of the black hole but do not directly impact the Schwarzschild radius.

Therefore,The Schwarzschild radius of a black hole depends solely on its mass.

To know more about the Schwarzschild radius:

https://brainly.com/question/29534114

#SPJ6

Answer:

According to the only context given, the correct answer is induction.

Option B: The pressure in the neck is equal to the pressure in the knee because of the equal dynamic pressure according to the continuity equation is the answer.

Assuming that the human circulatory system obeys Bernoulli's principle of hydrodynamics, the most accurate comparison of blood pressure in capillaries in the neck and those of equal cross-sectional area in the right knee yields: The neck pressure equals the knee pressure with the same dynamic pressure according to the continuity equation. The Bernoulli equation describes the flow of an incompressible fluid in a pipe and how that flow is affected by changes in pressure. 

In this case, it can be applied to the flow of blood through capillaries in the neck and right knee. The continuity equation, which states that the volume flow rate of fluid through a tube must remain constant, regardless of changes in the tube's cross-sectional area or shape, can also be applied in this case. Because the two capillaries have the same cross-sectional area, the dynamic pressure in both capillaries must be the same because of the continuity equation. This indicates that the pressure in the neck is equal to the pressure in the knee.

know more about Bernoulli's equation

https://brainly.com/question/30504672

#SPJ11

Answer:

In rectilinear motion F = M a describes the motion of a particle

Γ = I α      (torque equals moment of inertia times angular acceleration is the equivalent law in circular motion)

A fixed central force is perpendicular to the direction of motion and cannot change the torque about the point. (for mechanical forces)

However, for electrical forces, F = Q V X B and a changing magnetic field at the center of motion can produce a force perpendicular to the direction of motion.

Perhaps, the question needs to be more specific.

In the pressure-flow model, the flow of phloem contents is initiated by two phenomena. These phenomena are the B-active transport of sugar into companion cells, water follows by osmosis.

The first step is the active transport of sugar molecules from the source, which could be leaves, to the companion cells located adjacent to sieve tubes. The companion cells are responsible for loading sugars into the sieve tubes, which creates a high concentration of solutes in the sieve tubes. The high concentration of solutes in the sieve tubes creates a gradient that pulls water from the companion cells by osmosis.
As water moves from the companion cells into the sieve tubes, it creates a high hydrostatic pressure at the source end of the phloem. This pressure gradient pushes the phloem contents towards the sink end of the phloem. At the sink end, the sugars are actively transported out of the sieve tubes into the sink cells, which creates a low concentration of solutes in the sieve tubes. This low concentration of solutes creates a gradient that allows water to move back into the companion cells by osmosis.
In summary, the two phenomena that start the flow of phloem contents in the pressure-flow model are the active transport of sugar into companion cells and water followed by osmosis. This creates a pressure gradient that moves the phloem contents from the source to the sink.

To learn more about phloem, refer:-

https://brainly.com/question/2571817

#SPJ11

The phrase "Do not brake in the curve, this action moves the weight of your vehicle _______ putting a strain on your tires, which could cause a blowout" refers to the physical properties of automobiles and the way they operate.

When driving around a curve, the vehicle's weight moves to one side, putting more strain on the tires. If a driver applies the brakes during this process, the weight will shift even more suddenly and place even more stress on the tires. This could result in a tire blowout, which can be incredibly dangerous. This problem can be solved by slowing down before entering a curve and then maintaining a constant speed throughout the process. This enables the tires to maintain a stable grip on the road, preventing them from being overloaded and leading to a possible blowout.

this is why it is essential not to brake in a curve, as it can cause serious damage to your tires and your vehicle.

To know more about constant speed visit:

brainly.com/question/13672913

#SPJ11

As you go up in elevation, the atmospheric pressure decreases.

As you ascend higher in altitude, the air becomes thinner, causing the atmospheric pressure to decrease. The atmospheric pressure at sea level is roughly 14.7 pounds per square inch, whereas at the summit of Mt. Everest, it's about one-third of that value, at 4.9 pounds per square inch. This happens because the earth's atmosphere is like a layer of gas that encircles the planet.

As you move higher up the atmosphere, there is less air above you, and this reduced amount of air results in a decrease in atmospheric pressure. The higher you go, the less air there is over your head, which causes the atmospheric pressure to drop. This can be observed in the following formula: Pressure = (Density of air) * (Gravity) * (Altitude). As a result, a decrease in density and a decrease in gravity both contribute to a decrease in atmospheric pressure as the elevation increases.

Learn more about atmospheric pressure here:

https://brainly.com/question/1391071

#SPJ11

Answer:

because our some of the energy goes from our eyes

explanation;

There are several reasons why it's important to close our eyes while we sleep. Closed eyelids block light, which stimulates the brain to wakefulness. Closing our eyes also protects and lubricates the eyes while we sleep

Answer:

5.5 m/s

Explanation:

Right on Edge

The statement explains the importance of enzymes that check for and repair mistakes during DNA replication is the enzymes prevent many genetic mutations from being expressed. Thus, the option C is correct.

RNA polymerase is an enzyme that aids in the transcription of DNA into RNA during transcript in the nucleus. The enzymes prevent many genetic mutations from being expressed.

Primase is an enzyme that synthesizes short RNA sequences called primers. These primers serve as a starting point for DNA synthesis during replication as the DNA polymerases cannot begin the synthesis of the new strand, they only extend it after primase begins it and primase produces RNA molecules, the enzyme can be said to be a type of RNA polymerase.

Therefore, The statement explains the importance of enzymes that check for and repair mistakes during DNA replication is the enzymes prevent many genetic mutations from being expressed. Thus, the option C is correct.

Learn more about genetic mutations on:

brainly.com/question/1282397

#SPJ6

The  is that the velocity of water flow in the pipe on the second floor is 13.6 m/s.

To calculate the velocity of water flow on the second floor, we can use Bernoulli’s principle which states that the pressure and speed of a fluid are inversely proportional to each other. Pressure + (1/2) * Density * Velocity^2 + Density * g * Height

= Constant (where g = acceleration due to gravity)In this problem, since the pressure remains unchanged, we can eliminate the first term on both sides of the equation for both positions. Using Bernoulli’s principle for position 1 and 2 as:

(1/2) * Density * Velocity1^2 + Density * g * H1 = ConstantPosition 2:

(1/2) * Density * Velocity2^2 + Density * g * H2

= ConstantConstant

= (1/2) * Density * Velocity1^2 + Density * g *

H1Taking the difference of the above equations we get:1/2 * ρ * (V2^2 - V1^2)

= -ρghV2^2 - V1^2

= -2ghV2^2 = V1^2 - 2ghV2

= √(V1^2 - 2gh)

The negative sign is ignored as it represents the direction of flow. Putting the values we get:

V2 = √(15^2 - 2 × 9.81 × 3)

= 13.6 m/s

To know more about velocity visit:

https://brainly.com/question/30559316

#SPJ11

The unit of electricity that measures electrical force is the volt (V). The volt is named after the Italian physicist Alessandro Volta, who is credited with inventing the first battery. It is the SI unit for electric potential difference and electromotive force.

In electrical systems, voltage represents the amount of potential energy per unit charge. It measures the force or pressure that drives electric current through a circuit. When a voltage difference exists between two points in a circuit, it causes the flow of electrons, creating an electric current.

A common value of 115 volts (115 V) refers to the standard voltage level used in many residential and commercial electrical systems. In countries such as the United States, Canada, and Mexico, the standard household voltage is 120 volts (120 V) with a nominal value of 115 V. This voltage level is compatible with most household appliances and devices.

The 115 volts supply is achieved through a distribution network where power is generated at higher voltages and then stepped down through transformers to a lower voltage for consumer use. This lower voltage is safe for most electrical devices and ensures efficient operation while minimizing the risk of electrical shock.

It is important to note that different countries may have different standard voltages. For example, in some European countries, the standard household voltage is 230 volts (230 V). The specific voltage requirements and regulations vary worldwide, and it is essential to adhere to the local electrical standards to ensure safe and reliable electrical installations.

To know more about electrons, visit

https://brainly.com/question/12001116

#SPJ11