What are the 3 types of prefix?

The factor that will directly affect the magnetic force produced by an electromagnetic is (option A) Number of turns in the wire, amount of current.

When a current goes through a wire, it creates a magnetic field around that wire. The strength of the magnetic field is determined by the amount of current that flows through the wire and the number of turns in the wire.

The more turns  in the wire and  how high the current  will determine how strong the magnetic field produce by the Electromagnets will be.

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Answer:

D

Explanation:

as one burns then all stop simple

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Explanation:

a) Distance ➤ (80+50+70+40) m. ➤ Distance= 240m.

b) Displacement ➤ (50+40)m. ➤ Displacement= 90m

c) Average Speed ➤ Total distance travelled/total time taken

                              ➤ 240/48

                              ➤ 5 \(ms^{-1}\)

d) Average Velocity ➤ Total displacement/total time taken

                                 ➤ 90/48

                                 ➤ 1.875 \(ms^{-1}\)

Answer:

Explanation:

a. WEIGHT: As we have seen, weight is the gravitational force exerted on an object by the Earth (or any other celestial body). If an object is near the Earth's surface and has mass, then the object has a weight. The magnitude of its weight is w = mg and its direction is toward the center of the Earth.

the circuit for a light fixture controlled by four switches, where flipping one of the switches turns the light on when it is off and turns it off when it is on is given as: (\(\overline {x}\)yzw) + (x\(\overline {y}\)zw) + (xy\(\overline {z}\)w) + (xyz\(\overline {w}\))

Here, overlined x , y , z and w represents the switch of the circuit(see the image)

So if one of the four switches is flipped  the light turn on when it is off and turns it off when it is on.

A circuit in electronics is a fully enclosed circle through which electricity travels. A load, conductors, and a current source make up a basic circuit. Any fixed path that electricity, data, or a signal can go through can be referred to as a circuit in a broad sense.

Electrons in an electronic circuit leave the power source, move along conductors, pass through a load to do work, and then return to the power source. The circular course that the electrons take through it gives it the name "circuit." Ohm's Law provides a description of the connection between electrical flow and load. In a circuit, electrons move from the negative to the positive side of the power supply.

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Answer:

Explanation:

The gravitational force acting on an object is called its weight. The weight of an object is equal to its mass multiplied by the acceleration due to gravity.

We know that the weight of the person on Ceres is 16.2 N and the mass of the person is 60 kg. So we can calculate the acceleration due to gravity on Ceres by dividing the weight by the mass:

Weight (N) = Mass (kg) x acceleration due to gravity (m/s^2)

16.2 N = 60 kg x g

g = 16.2 N / 60 kg

g = 0.27 m/s^2

Therefore, the acceleration due to gravity on Ceres is 0.27 m/s^2

It's important to note that Ceres is a dwarf planet and has a weaker gravitational pull than Earth, so the weight of a person on Ceres would be less than the weight of the same person on Earth.

Answer:

The tabletop is smooth so my finger is down it fast and easy. The fabric however slowed my finger down considerably, and it was harder for me to move my finger across it.

Explanation:

Hope this helps.

The rug, carpet, or cloth offers more resistance to motion because of its rougher texture and higher friction.

Pushing on the surface: You'll probably experience some resistance when you push the plastic or wood over the surface. When compared to other surfaces, this opposition is, nevertheless, somewhat minimal. Since the tabletop often has a smoother surface, there is less friction. This makes it possible for the object to slide with very little resistance.

Pushing on a Rug, Carpet, or Piece of Fabric: In comparison to a tabletop, a rug, carpet, or piece of fabric will likely present you with substantially more resistance to your push. Since these surfaces typically have more texture and roughness, friction is enhanced.

In conclusion, the rug, carpet, or cloth offers more resistance to motion because of its rougher texture and higher friction, whereas the opposition to motion on the tabletop is often lower due to the smoother surface and lower friction. The difference in friction force between smooth and rough surfaces explains why items slide more readily on smooth surfaces. Friction has a significant impact on how things move and interact with various surfaces in daily life.

Hence, the rug, carpet, or cloth offers more resistance to motion because of its rougher texture and higher friction.

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A balanced chemical equation demonstrates the Law of Conservation of Mass because it shows that the same amount of mass is present on both sides of the equation. This means that the total mass of the reactants is equal to the total mass of the products.

A proper connection of an ACR tube to another ACR tube of the same size that has been swaged involves the use of a proper tube coupling. ACR or Annealed Copper-Steel Reinforced tube is a pre-insulated, corrosion-resistant, and leak-proof tube that is often used for air conditioning and refrigeration systems.

ACR tubes are made up of a copper tube, insulation, and a protective outer coating. They're ideal for high-pressure applications, and the copper tube is typically annealed, which makes it more flexible, durable, and easier to install. Swaging is a metalworking technique in which a tube is made thinner and longer by reducing its diameter and increasing its length. This procedure is used to join two tubes together in air conditioning and refrigeration systems. Swaging can be done either manually or mechanically. A fitting is used to connect two swaged tubes together. Swaging is a safe and dependable method of joining two tubes together that ensures that there are no leaks. Proper connection of an ACR tube to another ACR tube of the same size that has been swaged involves the use of a proper tube coupling. ACR tubes can be joined together using a number of methods, including swaging, brazing, or flaring. The use of a proper tube coupling is critical for ensuring that the ACR tube is correctly connected to another ACR tube.

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Answer:

170 N

Explanation:

F=pressure(pa) ÷ area(m^2)

=100.000 ÷ 0,0017

=170 N

Explanation:

a. Using the third equation of motion:

v2 = u2 + 2as

from the question;

the jet was initially at rest

hence u = 0

a = 1.75m/s2

s = 1500m

v2 = 02 + 2(1.75)(1500)

v2 = 5250

v = √5250

v = 72.46m/s

hence it moves with a velocity of 72.46m/s.

b. s = ut + 1/2at2

1500 = 0(t) + 1/2(1.75)t2

1500 × 2 = 2× 1/2(1.75)t2

3000 = 1.75t2

1714.29 = t2

41.4 = t

hence the time taken for the plane to down the runway is 41.4s.

Answer:

D

Explanation:

If the ball was in motion there would be kinetic energy but as there is no movement there is no kinetic energy only potential

To solve this, we must know each and every concept behind velocity and its calculation. Therefore,  the car's velocity after it has traveled 35.0 m is 157.5m/s.

Velocity is the vector measurement of an object's rate of motion and direction of motion. As a result, in order to calculate velocity using this definition, we must be familiar with both magnitude and direction.

For example, if an item travels west with 5 meters a second (m/s), its velocity to the west will be 5 m/s. The most frequent and simplest approach to determine velocity is using the formula shown below.

Mathematically,

Vf= Vi +2as

Vf= final velocity=?

Vi= initial velocity=0

s= displacement =35.0 m

substituting all the given values in the above equation, we get

Vf=0+2× 4.50 ×35

Vf=157.5m/s

Therefore,  the car's velocity after it has traveled 35.0 m is 157.5m/s.

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Answer: Energy is released to the environment.

Explanation:

Biologists often use the term "energy source" as a synonym for "electron donor" because the transfer of electrons is a key component of energy generation in many biological systems.

In biological systems, energy is typically generated through a series of chemical reactions called cellular respiration. In this process, electrons are transferred between molecules, releasing energy that is used to power cellular processes. The molecule that donates electrons is known as the electron donor, and the molecule that accepts the electrons is known as the electron acceptor.

Since the transfer of electrons is the primary mechanism by which energy is generated in these systems, biologists often use the term "energy source" to refer to the electron donor. For example, in photosynthesis, the energy source is the electron donor (usually water), which donates electrons to the photosynthetic electron transport chain, generating energy that is used to create ATP and reduce carbon dioxide to produce organic molecules.

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Newton's law of universal gravitation doesn't say anything about the cause of gravity.

Einstein's theory of relativity does.

Given

d: diameter

d = 41 cm

We need radius information so we will calculate it:

r: radius

r = d/2

r = 41/2

r = 20.5 cm

Rotating speed

w = 242 rpm

Procedure

At a distance r from the center of the rotation, a point on the object has a linear speed equal to the angular speed multiplied by the distance r. The units of linear speed are meters per second, m/s.

But before using the formula we need to have all the units in the same system. So we need to go from rpm to rad/s and from cm to m

Now we can calculate the linear velocity of the belt.

Answer

The linear velocity of the belt would be 5.2 m/s.

Answer: (A) The number of waves that pass a point in a certain amount of time.  

Explanation:

Electromagnetic waves are categorized according to their frequency f or, equivalently, according to their wavelength λ = c/f. Visible light has a wavelength range from ~400 nm to ~700 nm.

Frequency: Is the number of waves that pass a certain point in a specified amount of time.

Trough: The low point of the wave cycle.

Wavelength: The distance between two successive peaks.

Electromagnetic wave: One of the waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity.

Answer:

electrical conductors help electric current to pass through it

electrical conductors are usually made of any metal

electrical insulator don't help electric current to pass through it

electrical insulators are made of non metals

hope it helped you

Explanation:

conductors allows free flow of electrons from one atom to another.

insulators restrict free flow of electrons

conductors allow electrical energy to pass through them

insulators do not allow electrical energy to pass through them

The density of the unknown sample is 0.67 g/ml.

To calculate the density, we use the formula:

Density = Mass / Volume

Mass = 38.00 g

Volume = 56.39 ml

Substituting the values into the formula:

Density = 38.00 g / 56.39 ml

Dividing the mass by the volume, we find:

Density = 0.674 g/ml

Rounding to two decimal places, the density of the unknown sample is 0.67 g/ml.

Density is a measure of how much mass is contained within a given volume. In this case, we are given the mass of the unknown sample as 38.00 g and its volume as 56.39 ml. To find the density, we divide the mass by the volume. By performing the calculation, we obtain a density of 0.674 g/ml.

When rounding the value to two decimal places, the density of the unknown sample is 0.67 g/ml. This means that for every milliliter of the sample, there is 0.67 grams of mass. Density is an important property in chemistry and materials science as it can help identify substances and determine their behavior in various applications.

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Electrons are the particle will be deflected toward the positive plate as it enters the electric field.

An electric field is an electric property that is connected with any location in space where a charge exists in any form. The electric force per unit charge is another term for an electric field.

The field's direction is determined by the direction of the force acting on the positive charge. A positive charge produces a radially outward electric field, whereas a negative charge produces a radially inward electric field.

A physical field that surrounds electrically charged particles and exerts a force on all other charged particles in the field, either attracting or repelling them, is referred to as an electric field.

Hence,electrons are the particle will be deflected toward the positive plate as it enters the electric field.

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Answer:

\(F=2.93\cdot 10^{-10}~N\)

Explanation:

Newton’s Law of Universal Gravitation

Objects attract each other with a force that is proportional to their masses and inversely proportional to the square of the distance.

\(\displaystyle F=G{\frac {m_{1}m_{2}}{r^{2}}}\)

Where:

m1 = mass of object 1

m2 = mass of object 2

r     = distance between the objects' center of masses

G   = gravitational constant: \(6.67\cdot 10^{-11}~Nw*m^2/Kg^2\)

The asteroids have masses of \(m1=5.34\cdot 10^{3}~Kg\) and \(m2=2.06\cdot 10^{4}~Kg\) and are separated by r=5,000 m.

Calculating the gravitational force:

\(\displaystyle F=6.67\cdot 10^{-11}~Nw*m^2/Kg^2~{\frac {5.34\cdot 10^{3}~Kg \cdot2.06\cdot 10^{4}~Kg}{5,000^{2}}}\)

Calculating:

\(\mathbf{F=2.93\cdot 10^{-10}~N}\)

Answer:

D. 2.93 x 10-10 N​

Explanation:

Answer got deleted? Dont delete my answer 'katie'

btw got it right

Answer:

A: The mass would be 250kg

Explanation:

In terms of an equation, the momentum of an object is equal to the mass of the object times the velocity of the object. where m is the mass and v is the velocity. The equation illustrates that momentum is directly proportional to an object's mass and directly proportional to the object's velocity.

p= mv

m= p/ v

The explanation to that is:

momentum = mass× velocity

mass= momentum / velocity

THE ANSWER IS A

Hope this helps!

The Coefficient of Friction is 0.861

Let's begin by determining the initial kinetic energy of the Pellet:

K = (1/2)mv^2

K = (1/2)(0.0012 kg)(65 m/s)^2

K = 25.3875 J

Next, we need to determine the final kinetic energy of the pellet:

Kf = (1/2)mvf^2

Since the pellet is lodged in the cheese, it has no final velocity. Therefore, the final kinetic energy is 0.

Now, we can determine the work done by the frictional force:

Wfriction = K - Kf

Wfriction = 25.3875 J - 0

Wfriction = 25.3875 J

Since the cheese slides 25 cm, we know that the work done by the frictional force is equal to the force of friction multiplied by the distance the cheese slides:

Wfriction = Ff * d

25.3875 J = Ff * 0.25 m

Ff = 101.55 N

Finally, we can determine the coefficient of friction:

Ff = μ * N

101.55 N = μ * (0.120 kg * 9.81 m/s^2)

μ = 0.861

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Answer:

Maximum height is20m and time taken will be 2second

Explanation:

vi=20m/s

vf=0m/s

g=10m/s^2

Using third equation for objects falling freely

2gh=(vf)^2-(vi)^2

Putting values

2(10m/s^2)h=(0m/s)^2-(20m/s)^2

20h=400m

h=20m

Now we have to find the time

Using first equation of motion for objects falling down freely

vf=vi+at

substituting the equation

(vf-vi)/g=t

(0-20)/10=t

t=2second

With the prevailing wind is the direction of operation of a sanitary landfill. This is because landfills produce a significant amount of unpleasant odors and gases such as methane.

This create public health concerns and environmental pollution. The direction of operation should be aligned with the prevailing wind direction, so that the wind can carry the odors and gases away from populated areas and sensitive receptors, such as schools and residential areas. . Modern landfills are engineered with several layers of protective liners, such as clay or synthetic materials, to prevent contaminants from leaching into the surrounding soil and groundwater. Landfills also have systems for collecting and treating leachate, which is the liquid that forms as rainwater percolates through the waste. Methane, which is a potent greenhouse gas, is generated as organic matter in the landfill decomposes. Modern landfills are equipped with gas collection systems that capture methane and other gases and use them to generate electricity or heat. This process, called landfill gas-to-energy, helps to reduce greenhouse gas emissions and provides a source of renewable energy.

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Answer:

18 m

Explanation:

Velocity = distance / time

v = d/t

d = vt

d = (6 m/s) (3  s)

d = 18 m

Hope that helps

The Jovian planets are formed from materials different from the terrestrial planets for the reason that gaseous Jovian planets, formed farther away from the heat of the Sun, are formed from light weight nebulae "dust."

A Jovian planet, also known as a gas giant, is a huge planet that has a primarily gaseous composition. The Jovian planets include Jupiter, Saturn, Uranus, and Neptune. They are primarily made up of hydrogen and helium, and they have enormous atmospheres.Jovian planets are formed farther away from the heat of the Sun, so they are formed from lighter-weight nebulae "dust." Terrestrial planets, on the other hand, are formed nearer to the Sun, so they are formed from heavier-weight nebulae "dust." The density of the materials that make up the Jovian planets is lower than that of the terrestrial planets due to this. This means that the Jovian planets have lower densities and a greater volume than the terrestrial planets.

Hence, the correct option is d. Gaseous Jovian planets, formed farther away from the heat of the Sun, are formed from light weight nebulae "dust."

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