if the jet in ngc 5128 is traveling at 5000 km/s and is 40 kpc long, how long will it take for gas to travel from the core of the galaxy to the end of the jet?

The EMF of the secondary in a step-up transformer is 3,600 V.

The transformer consists of two coils, namely the primary coil and the secondary coil. A step-up transformer will have a higher number of turns in the secondary coil and a higher voltage across the secondary coil. According to the formula

Np ÷ Ns = Vp ÷ Vs

Np ÷ Ns = Is ÷ Ip

Np ÷ Ns = Vp ÷ Vs

500 ÷ 15,000 = 120 ÷ Vs

Vs × 500 = 120 × 15,000

Vs × 500 = 1,800,000

Vs = 1,800,000 ÷ 500

Vs = 3,600 V

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When a bouncy ball is released from a height h and rebounds to a height \(\(\frac{3}{4}h\)\), it indicates an elastic collision with the ground, where kinetic energy is conserved and the ball retains most of its initial energy after the collision.

The given scenario describes a bouncy ball that is released from a height h and rebounds to a height \(\(\frac{3}{4}h\)\). This behavior suggests that the collision between the ball and the ground is an elastic collision. In an elastic collision, both momentum and kinetic energy are conserved.

During the collision, the ball's potential energy is converted into kinetic energy as it falls from height h. When the ball hits the ground, it experiences a change in momentum and direction, causing it to rebound. In an elastic collision, the total kinetic energy of the system remains the same before and after the collision.

Since the ball rebounds to a height \(\(\frac{3}{4}h\)\), it implies that it retains a significant amount of its initial energy. In a perfectly elastic collision, the ball would rebound to its original height, h. However, some energy is lost due to factors such as air resistance and friction, resulting in a slightly lower rebound height.

In conclusion, the given information suggests that the collision between the bouncy ball and the ground is an elastic collision, where most of the ball's initial energy is retained after the collision.

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Answer:

An atom of fluorine has the atomic number 9, and its mass number is 19 amu. Which of the following shows a neutral atom of fluorine? 16 protons and 14 electrons.

Explanation:

ITs 16 protins and 14 ELECTRONS

Answer:

Answer is 9 Protons, 10 Neutrons, and 9 Electrons

Explanation:

A.P.E.X

The final angular velocity of the wheel is approximately 42.67 rad/s.

To find the final angular velocity of the wheel, we can use the following kinematic equation:

ω^2 = ω0^2 + 2αθ

Where:

ω = Final angular velocity

ω0 = Initial angular velocity (which is zero in this case since the wheel starts from rest)

α = Angular acceleration (given as 3.5 rad/s^2)

θ = Angular displacement (given as 260 rad)

Plugging in the given values into the equation:

ω^2 = 0 + 2 * 3.5 * 260

ω^2 = 2 * 3.5 * 260

ω^2 = 1820

ω = √1820

ω ≈ 42.67 rad/s

Therefore, the final angular velocity of the wheel is approximately 42.67 rad/s.

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Answer:

A.

Explanation:

A man using a microwave to boil water

Answer:

d

Explanation:

The width of the slit is 0.212 mm.

The wavelength of light is defined as “The distance between the two successive crests or troughs of the light wave”.

We know that the distance between minima is given by :

                                       \(t = (m_{f} - m_{i} ) \alpha x/d\)

where, t = distance between minima

            \(\alpha =\) wavelength

            x = distance of screen

            d = width of slit

            \((m_{f} - m_{i} ) =\) difference between minima

Given, x = 40 cm = 0.4 m

           \(\alpha = 690 nm = 690 * 10^{-9} m\)

           t = 2.60 mm = \(2.60 * 10^{-3} m\)

           \((m_{f} - m_{i} ) =\) 3 -1 = 2

Putting these values in above equation we get d = 0.212 mm

So the width of the slit is 0.212 mm.

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When shooting a bow and arrow, the archer pulls back the string and flexes the bow, storing potential energy.

Potential energy is the energy stored in an object due to its position or configuration. This type of energy is the stored energy of an object, which can be released and transformed into other forms of energy, such as kinetic energy. Potential energy is associated with forces such as gravity, electrical, and chemical, which can cause a change in an object’s energy state. Examples of potential energy include a stretched bow and arrow, a roller coaster at the top of a hill, and a compressed spring.

This potential energy is then transferred to the arrow in the form of kinetic energy. The arrow is then put in motion by the archer and due to the force of the bowstring, work is done in the form of acceleration. The arrow is then released and the kinetic energy propels it towards the target.

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Zeolite thermal storage held its heat longer.

or it can be water also

Answer:

High-pressure areas usually are areas of fair, settled weather. Low-pressure areas are places where the atmosphere is relatively thin.

The direction of the jogger is roughly 33.7 degrees south of east.

Finding the angle between the horizontal and the direction of travel allows one to determine the direction of the displacement. We can use our understanding of right-angle trigonometry to determine that the angle's tan value equals the opposite over the neighboring. The answer to this problem's tan of angle is 225 over 150.

We may get the displacement vector's length using the Pythagorean theorem:

displacement² = 300² + 500²

displacement = √(300² + 500²)

displacement = 583.1 m

We may use the inverse tangent function to determine the angle between the displacement vector and the east direction:

angle = arctan(300 / 500)

angle = 33.7 degrees

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Throwing something in a horizontal direction involves giving an initial velocity to an object in a specific direction.

This means that the object will continue to move in that direction until some external force acts upon it. On the other hand, dropping an object simply involves releasing it from a certain height above the ground, without giving it any initial velocity in a specific direction.

This means that the object will simply fall straight down due to gravity until it hits the ground or some other surface.

Therefore, the main difference between throwing something in a horizontal direction and dropping an object is the presence or absence of an initial velocity in a specific direction.

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Answer:

KE=1/2*m*v^2

KE=1/2*15*2.7^2

KE=54.675 J

Explanation:

The graph that corresponds to 0.1 s in one complete cycle is graph D.

option D is the correct answer.

The period of a wave is the time for a particle on a medium to make one complete vibrational cycle. Period, being a time, is measured in units of time such as seconds, hours, days or years.

Also, the period of a wave is the amount of time it takes for a wave to complete one wave cycle or wavelength.

From the given parameter, the coil rotates 10 times in one second. The period of the coil is calculated as;

Period = 1 s / 10

Period = 0.1 s

From the graphs, the only option that has one complete cycle in one second is option D.

Check option D, half cycle is 0.05 s and one full cycle is 0.1 s.

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The chemical energy in food is converted by the body into mechanical energy and heat. The chemical energy in coal is converted into electrical energy at a power plant. The chemical energy in a battery can also supply electrical power by means of electrolysis.

How can energy be converted from one form to another?

Energy can change from one form to another. For example, when you switch on a light bulb, electrical energy changes to thermal energy and light energy. A car changes energy stored in the chemical bonds of gasoline to several different forms. A chemical reaction in the engine changes chemical energy to light

How is chemical energy converted to mechanical energy and heat energy in the body?

In the human body chemical energy in the form of the glucose in our food is turned into mechanical energy in the process of movements such as running or lifting heavy objects. The muscles serve as a transducer, through muscle contraction energy is transformed from chemical to mechanical energy.

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The angle in the pre-image that corresponds to ∠D in the image is ∠P.

Correspond is a verb that means to communicate with another person or group in writing. It can also mean to match or correspond in kind or degree. Correspondence is the exchange of written communication between two people or groups. For example, a company might correspond with its customers through email, letters, or other forms of communication. Correspondence can also refer to the relationship between two or more things that are similar or have a connection. In this context, it means that two or more things correspond to each other in some way.

This is because when a figure is rotated 180 degrees about a point, the angle in the pre-image will be the same as the angle in the image, but in the opposite direction. Therefore, in this case, the angle in the pre-image that corresponds to ∠D in the image is ∠P.

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Explanation: Research highlights the individuals with ASDS are nutritionally vulnerable because they exhibit a selective or pick eating pattern and sensory sensitivity that predisposes them to restricted intakes.

I hope this helps!

Answer:

C, 1800kg/s

Explanation:

You multiply the mass (300) by the change in the two velocities (6-0=0). Then you’ll get 1800.. sorry if I’m wrong

It is equivalent to work done overtime, option A is true.

Potential energy is the type of energy that is possessed by a body that is at complete rest. Potential energy is then converted into Kinetic energy when an external force is applied to the body which makes the body stay in motion.

We know that the Potential energy (PE) = mgh, where m is the mass of the body, g is the acceleration due to gravity, and h is the height of the body from the ground.

When a significant amount of work is done on the body from moving it from height h1 to h2 that is :

W= force * displacement = mgh1-mgh2

Thus, potential energy is equivalent to the work done over time.

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The power of the wave increases by a factor of 4 (2²) because the power is proportional to the square of the amplitude and the frequency.

When the tension is increased such that the wave speed is doubled, the power of the wave increases by a factor of 4. This is because the power of a wave is directly proportional to the square of its amplitude and its frequency. The amplitude of a wave is related to the wave speed and tension by the equation A = √(F/μ), where F is the tension in the string and μ is its linear mass density. Thus, when the tension is increased, the amplitude of the wave also increases. If the wave speed is doubled, then its frequency must also double in order to maintain a constant wavelength. Therefore, the power of the wave increases by a factor of 4 (2²) because the power is proportional to the square of the amplitude and the frequency.

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A transmission Grid is called a network of transformers and transmission cables that transfer electrical power from power stations to consumers

Electrical transmission is the process of providing highly efficiently generated electricity to a district or over larger and longer distances. The main point of the grid is to give people access to electricity 24 hours without interruption and without any trouble in populated areas. Transformers play a crucial role in this. Transformer help in increasing the voltage of the grid to make it more powerful and effective. It helps in the feasible transmission of the grid.

The electrical transmission system is combined with power plants in cities, distribution systems for easier access to electricity, and sub-stations for backup and other purposes which is to form what is known as the electrical grid. The grid meets people's electricity requirements and is what gets the electrical power from its generation to its end use. Since power plants are most often located outside of densely populated areas, the transmission system must be fairly large scale.  

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A network of transformers and transmission cables transfers electrical power from power stations to consumers is called as a transmission grid.

Electric power transmission is the bulk movement of electrical energy or power from a generating site, such as a big power plant, to an electrical substation or other places. The interconnected lines which facilitate this movement of electrical energy form a transmission network or transmission grid.

A transmission grid is a network of power stations, transmission lines, and the substations. Energy is generally transmitted within a grid through the three-phase AC. Single-phase AC is used only for distribution to end users however, it is not usable for the large polyphase induction motors. The two-phase transmission was used but it either required a four wires system or three wires with unequal currents. Higher order phase systems require more than three wires, but they cannot deliver little or no benefit.

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Answer:

The statement "hotter gases tend to be dense compared to colder gases" implies that there is a relationship between density and temperature. As the temperature increases, the density of a gas generally increases as well. Therefore, the correct answer is A. more.

Explanation:

The velocity is defined as the rate of change of displacement per unit time and the unit of velocity is m/s. Velocity is of two types and they are average velocity and instantaneous velocity.

A) From the given graph, object B traveled faster when compared with object A. Because the speed of object B increases gradually with time whereas the speed of object A decreases with time. Hence, object B travels faster.

B)The velocity increases with time 2s to 4s. The velocity is defined as the rate of change displacement by time taken. v = Δx/Δt, where Δx is the change in displacement and Δt is the time taken. Δx = final.dis - initial dis = 0-(-4) = 0+4 = 4 m. Δt = final.time-ini.time = 4-2 = 2s. Thus, the velocity v = 4/2 = 2 m/s. Hence, the velocity increases gradually.

C) The acceleration is defined as the rate of change of velocity per unit time. From the given graph, the change in velocity does not change, and hence Δv = 0. Acceleration a = Δv/Δt = 0. Thus, the acceleration of the object is zero.

D) Acceleration (a) is the rate of velocity per unit time and the unit of velocity is m/s². Acceleration (a) = Δv/Δt, where Δv is the change in velocity. Δv = final.velocity - initial.velocity = 8-(-2) = 8+2 = 10 m/s. Δt = final. time-initial. time = 7-3 = 4s. a = 10/4=2.5m/s². Hence, the acceleration is 2.5m/s².

E) Force is the product of mass and acceleration. From the given, the force moves in both forward and backward directions, and hence, force is a vector quantity. F(net) = F₁+F₂=18 - 6 = 12N. The mass of the cart is 2kg.

F = ma

a = F/m

  = 12/2

  = 6 m/s²

Thus, the acceleration of the cart with a mass of 2kg is 6 m.s⁻².

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Answer: When a gas is in a smaller volume, the molecules are more confined and bump into the walls of the flask more, thereby exerting a greater pressure.

Explanation:

The specific gravity of the fluid in the bucket is 1.35 Given a 12-inch diameter bucket which is filled with fluid of 10 inches depth and net weight is 46 pounds.

The density of water is 62.4 pounds per cubic foot.Specific Gravity x Density of water = Density of the fluid in pounds per cubic foot0.03194 x 62.4 = 1.99456Therefore, the specific gravity of the fluid in the bucket is 1.35.The specific gravity of the fluid needs to be calculated. It can be calculated using the following formula:Specific Gravity = W / (D x D x H)where W

= weight of the liquid in pounds, D

= diameter of the bucket in inches,

and H = height of the fluid in inches.

Specific Gravity = 46 pounds / (12 x 12 x 10 inches)

= 46 / 1440

= 0.03194Since the specific gravity is a dimensionless quantity, it can be converted to other units by multiplying it by the density of water.

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The gravitational attraction between two objects is reduced most when the distance between them is increased. According to Newton's law of universal gravitation, the force of gravity is inversely proportional to the square of the distance between two objects.

The formula for the gravitational force between two objects is F = G * (m1 * m2) / r², where F is the force of gravity, G is the gravitational constant, m1 and m2 are the masses of the two objects, and r is the distance between their centers of mass.

As the distance (r) between the objects increases, the denominator (r²) in the formula becomes larger, resulting in a smaller force of gravity. This inverse square relationship means that even a small increase in distance can lead to a significant reduction in gravitational attraction.

For example, if the distance between two objects is doubled, the force of gravity becomes only one-fourth (1/2²) of its original strength. If the distance is tripled, the force becomes only one-ninth (1/3²), and so on.

This principle can be observed in various astronomical phenomena. For instance, the gravitational pull of the Sun on a planet decreases as the planet moves farther away in its orbit. Similarly, the Moon's gravitational pull on Earth is weaker than the Sun's because it is much closer to Earth.

In summary, the gravitational attraction between two objects is reduced most when the distance between them is increased. This inverse square relationship highlights the significance of distance in determining the strength of gravitational forces and has profound implications for understanding the dynamics of celestial bodies and other gravitational interactions.

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Answer:

Water gains energy during evaporation and releases it during condensation in the atmosphere

Explanation:

In the water cycle, heat energy is gained or lost by water as it undergoes various processes in the cycle.

In evaporation, water molecules gains energy because the molecules of water vibrate faster and become more energetic. Hence they are able to escape into the atmosphere from the surface of the liquid.

In condensation, the molecules of gaseous water looses energy and becomes liquid.

Hence, water gains energy during evaporation and releases it during condensation in the atmosphere.

Answer:

K12 HE HE

Explanation:

Answer: a straight line with a positive slope

Explanation:

If an object is moving and it changes its position by 2 units every 4 s starting from the origin,

The total distance covered by any object per unit of time is known as speed. It depends only on the magnitude of the moving object. The unit of speed is meter/second.

Learn more about speed from here If an object is moving and it changes its position by 2 units every 4 s starting from the origin,

speed = distance /time

          = 2 units / 4 seconds

          = 0.5 units/seconds

Thus, the speed of the object would be 0.5 units /seconds

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the question seems incomplete the complete question is If an object is moving and it changes its position by 2 units every 4 s starting from the origin, then the position vs. time graph is