my notes ask your teacher a generator supplies 120 v to the primary coil of a transformer of 55 turns. if the secondary coil has 600 turns, what is the secondary voltage? v

The independent variables of measuring physical properties are given below -

What is physical properties?

A physical properties in any property that is measurable, whose value describe a state of physical system.

The changes in the physical properties of a system can be used to describe its changes between the  momentary that state of

Physical properties are often referred to as observables.

They are not modal properties.

Any variable that can be attributed a value without attributes a value to any to any other variables is called independent variables.

It is a variable that stands alone and isn't changed by other variables you are trying to measure.

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At kelvin temperature T, cylinder A includes n molecule of a gas, and the force exerted by the gas on the cylinder is NkBT/l.

When two bodies interact, it refers to any form of pushing or pulling that one body exerts on the other. A vector quantity, that is. For instance, a person pushes or pulls on something to provide force, such as opening a door.

Contact forces that act at a remove forces are the two different types of forces. Your daily use of force is evident. Basically, pressure and pull are forces.

Formulas,

-P = F/A

-n = n/Na

-PV = nRT

= NKT (R = KNa)

- Volume of cylinder: A* l

F=PA

P = NKbT / V

P = NKbT / A* l

F = NkBT / A * l (A)

Cross out A,

Final, F = NkBT/l.

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A unit train of coal consists of 110 carloads, with each carload carrying 100 tons of coal. The trainload of coal contains approximately 2.64 x 10¹⁴ J of energy and the power plant requires approximately 0.234 trainloads of coal per day to run at full capacity.

Part A:

The total weight of the coal in the train is:

110 carloads x 100 tons per carload = 11,000 tons

Since 25% of the weight of the coal is water, the weight of the coal itself is:

11,000 tons x (1 - 0.25) = 8,250 tons

The total energy contained in the coal is:

8,250 tons x 3.2 x 10¹⁰ J/ton = 2.64 x 10¹⁴ J

Therefore, the trainload of coal contains approximately 2.64 x 10¹⁴ J of energy.

Part B:

The power plant can produce electricity at a rate of:

978 MW = 978 x 10⁶ W

However, coal power plants are only 38% efficient in converting energy in coal to electricity. Therefore, the actual amount of energy produced by the power plant from a given amount of coal is:

0.38 x 3.2 x 10¹⁰ J/ton = 1.216 x 10¹⁰ J/ton

To produce 978 MW of electricity, the power plant needs:

978 x 10⁶ W / 1.216 x 10¹⁰ J/ton = 80.4 tons of coal per hour

Since each trainload carries 8,250 tons of coal, the power plant needs:

80.4 tons/hour x 24 hours/day / 8,250 tons per trainload = 0.234 trainloads per day

Therefore, the power plant needs approximately 0.234 trainloads of coal per day to keep running at full capacity.

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Answer:

Benjamin Franklin, Thomas Edison

and Robert Anderson, Thomas Davenport

Explanation:

Edison was Franklin's idol in studying electricity (Edison's electric light bulb, and Franklin's metal key string kite static experiment)

Anderson and Davenport for the first electric car

This is the formula for the equilibrium number density of particles with net weight mnetg as a function of the height r. The constant prefactor is given by: N/(A(kBT/mg)(1 - exp[-mgh/(kBT)]))

Starting with Equation 5.1 for the particle density in equilibrium:

c(r) = c(0) * exp[-mg(r-z)/(kBT)]

here c(r) is the number density of particles at height r, c(0) is the number density of particles at height z=0 (the bottom of the test tube), m is the mass of a particle, g is the acceleration due to gravity, kB is the Boltzmann constant, T is the temperature, and z is the height of the bottom of the test tube.

To find the constant prefactor, we need to use the fact that the total number of particles is N, and the test tube cross-section is A. We can integrate the number density over the entire height of the test tube to find the total number of particles:

N = ∫c(r) A dr

We can substitute the expression for c(r) into this equation:

N = A c(0) ∫exp[-mg(r-z)/(kBT)] dr

To evaluate this integral, we make the substitution u = mg(r-z)/(kBT):

du/dr = mg/(kBT)

dr = kBT/(mg) du

The limits of integration also change:

when r = z, u = 0

when r = z+h, u = mgh/(kBT)

Substituting these into the integral:

N = A c(0) ∫exp[-u] (kBT/mg) du from 0 to mgh/(kBT)

N = A c(0) (kBT/mg) [-exp(-u)] from 0 to mgh/(kBT)

N = A c(0) (kBT/mg) (1 - exp[-mgh/(kBT)])

Solving for c(0), we get:

c(0) = N/(A(kBT/mg)(1 - exp[-mgh/(kBT)]))

Substituting this expression for c(0) into the original equation for c(r), we get:

c(r) = N/(A(kBT/mg)(1 - exp[-mgh/(kBT)])) * exp[-mg(r-z)/(kBT)]

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the momentum = m * v

m : mass

v : velocity

momentum = 1 * 50 = 50 kg.m/s

Answer:

F = 5.39 x 10¹⁰ N

Explanation:

The electrical force between q₁ and q₂ can be calculated by Coulomb's Law:

\(F = \frac{kq_1q_2}{r^2}\\\\\)

where,

F = electrical force = ?

k = Coulomb Constant = 8.99 x 10⁹ Nm²/C²

q₁ = first charge = +6 C = 6 C

q₂ = -4 C = 4 C

r = distance between charges = 2 m

Therefore,

\(F = \frac{(8.99\ x\ 10^9\ N.m^2/C^2)(6\ C)(4\ C)}{(2\ m)^2}\\\\\)

F = 5.39 x 10¹⁰ N

Answer:

C on edge

Edge2021

False (One pound-force is the force required to accelerate a mass of 32.174 lbm by 1 ft/s2. In other words, the weight of 1-lbm mass at sea level is 1 lbf.)

Will 1 lbm equal 1 lbf?

The mass that is equal to one penny (lbf) on earth is designated by the unit lbm. It is incorrect to say that a lbm and a lbf are equivalent because a lbm is a unit of mass measurement and a lbf is a unit of force. On Earth, however, it is true to say that one lbm is equal to one lbf.

In what sense does the law of acceleration apply?

The relationship between a body's acceleration and speed is direct.

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Complete question:

State whether the given statelet is True or False.

One pound-force is the force required to accelerate a mass of 32.174 lbm by 9.807 ft/s2.

The final temperature of the sample in degrees Fahrenheit when the desired temperature increase has been achieved is `123.78°F.`

The initial temperature of the sample is 62.4 °F. The boss instructs us to raise the temperature by 34.1°C. We need to determine the final temperature of the sample. Here's how we can do it.

Step 1: Use the conversion formula for Celsius to Fahrenheit.

C = (F - 32) x 5/9F = (C x 9/5) + 32where C is the temperature in Celsius and F is the temperature in Fahrenheit.

Step 2: Convert the initial temperature of the sample from Fahrenheit to Celsius.

C = (F - 32) x 5/9`C = (62.4 - 32) x 5/9``C = 16.89`°C The initial temperature of the sample is 16.89°C.Step 3: Add 34.1°C to the initial temperature of the sample to obtain the final temperature in Celsius. Final temperature in Celsius = 16.89 + 34.1``Final temperature in Celsius = 50.99`°CStep 4: Convert the final temperature in Celsius to Fahrenheit.

F = (C x 9/5) + 32`F

= (50.99 x 9/5) + 32`F

= 123.78`°F

Therefore, the final temperature of the sample in degrees Fahrenheit when the desired temperature increase has been achieved is `123.78°F.`

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Answer: the pressure increases with the amount of water pushing in on all sides of the diver, for example, when you jump into a pool and you head is above water it a little harder to breathe, it is the same way for divers when they are diving at increasingly deep depths, the deeper you are the more water is pressing in on you.

Explanation:

A restoring force and an equilibrium position are closely related. The restoring force is responsible for bringing an object back to its equilibrium position when it is displaced.

When an object is in its equilibrium position, it experiences a net force of zero. This means that the forces acting on the object are balanced, resulting in a stable position. However, if the object is displaced from its equilibrium position, a restoring force comes into play. The restoring force is a force that acts in the opposite direction of the displacement, aiming to restore the object back to its equilibrium position.

Mathematically, the restoring force is proportional to the displacement from the equilibrium position. It follows Hooke's Law, which states that the force exerted by a spring is directly proportional to the displacement of the spring from its equilibrium position. This relationship is given by the equation F = -kx, where F is the restoring force, k is the spring constant (a measure of the stiffness of the system), and x is the displacement from the equilibrium position.

In summary, a restoring force and an equilibrium position are related in that the restoring force acts to bring an object back to its equilibrium position when it is displaced. This force is proportional to the displacement and follows Hooke's Law for systems like springs.

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There are 1,048,576 possible outcomes (microstates) when flipping 20 fair coins. The probability of getting the sequence "HTHHTTTHTHHHTHHHHTHT" in exactly that order is approximately 9.5367e-07.

a) There are 2 possible outcomes (heads or tails) for each coin flip, and since there are 20 coin flips, the total number of possible outcomes, or microstates, is given by 2²⁰

Answer: 2²⁰= 1,048,576 possible outcomes.

b) To calculate the probability of getting the sequence "HTHHTTTHTHHHTHHHHTHT" in exactly that order, we need to determine the probability of obtaining each individual outcome (head or tail) and multiply them together.

Since each coin flip is independent and has a 1/2 chance of resulting in either heads or tails (assuming the coins are fair), the probability of obtaining the desired sequence is (1/2)²⁰

Answer: (1/2)²⁰≈ 9.5367e-07

c) To calculate the probability of getting exactly 12 heads and 8 tails in any order, we need to determine the number of ways to arrange 12 heads and 8 tails within the 20 coin flips.

This can be calculated using the binomial coefficient, also known as "n choose k." The formula for the binomial coefficient is:

C(n, k) = n! / (k! * (n-k)!)

Where n is the total number of coin flips and k is the number of heads.

Using this formula, the probability can be calculated as follows:

P(12 heads and 8 tails) = C(20, 12) * (1/2)^20

Calculating C(20, 12):

C(20, 12) = 20! / (12! * (20-12)!)

          = 20! / (12! * 8!)

          = (20 * 19 * 18 * 17 * 16 * 15 * 14 * 13) / (8 * 7 * 6 * 5 * 4 * 3 * 2 * 1)

          = 125,970

P(12 heads and 8 tails) = 125,970 * (1/2)^20

Answer: P(12 heads and 8 tails) ≈ 0.12013435364 (approximately)

a) There are 1,048,576 possible outcomes (microstates) when flipping 20 fair coins.

b) The probability of getting the sequence "HTHHTTTHTHHHTHHHHTHT" in exactly that order is approximately 9.5367e-07.

c) The probability of getting exactly 12 heads and 8 tails in any order is approximately 0.12013435364.

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The speed of water in the constriction is faster when compared to the rest of the pipe.

The venturi effect consists of a physical phenomenon applied in fluid dynamics in which the pressure of flow decreases when there is a constraint in the conduct, accompanied by an increase in velocity of the fluid due to a decrease in cross-sectional area of the conduct.

The constriction is said to have a lower radius when compared to the rest of the pipe.

Applying the equation of continuity, A₁ v₁ = A₂ v₂

where, A is the area

v is the velocity

It is said from the above equation that, if area decreases velocity increases and if area increases velocity decreases, as velocity and area are inversely proportional to each other.

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The magnitude of the resultant force is 2661 kilograms, and its direction angle is 29.31°.

Let A = 1670 kilograms, N35°W and B = 1250 kilograms, S60°W, the resultant R of the two forces A and B can be determined using the parallelogram law of vector addition. The parallelogram law of vector addition states that:

In order to add two vectors A and B, you draw them to scale on a graph, put the tail of B at the head of A, then draw a vector from the tail of A to the head of B. This vector represents the resultant R.

The magnitude of R is given by the formula:

R = sqrt(A² + B² + 2AB cosθ)Where θ is the angle between A and B.Note that cosθ is positive if θ is acute (0° < θ < 90°), and cosθ is negative if θ is obtuse (90° < θ < 180°).

The direction angle of R is given by the formula:

tanθ = (B sinα - A sinβ) / (A cosβ - B cosα)where α and β are the angles A and B make with the horizontal axis, respectively.

α = 270° - 35° = 235°

β = 240°sinα = sin(235°) = - 0.819sin

β = sin(240°) = - 0.342

cosα = cos(235°) = - 0.574cos

β = cos(240°) = - 0.940

Now, substituting these values in the formula above:

tanθ = (1250(-0.342) - 1670(-0.819)

(1670(-0.574) - 1250(-0.940))= - 1042.2

1922.9= - 0.542θ = tan-1(0.542)θ = 29.31°

A points N35°W and B point S60°W, the angle between them is:

360° - 35° - 60° = 265°.Now, we can compute the magnitude of R:

R = sqrt(A² + B² + 2AB cosθ)= sqrt(1670² + 1250² + 2(1670)(1250)cos(29.31°))= 2661 kilograms.

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Answer:

During the evening, the land cools off more quickly than the water. The cooler land cools the air above it, while the warmer water warms the air above it. These differences in air temperature create the convection.

Explanation:

sorry I took forever

Answer:

sure

Explanation:

what/where is the work

X-rays have more energy than visible light and can pass through the human body.

X-rays are a type of electromagnetic radiation that has a shorter wavelength and higher frequency than visible light. Due to their high energy, X-rays can penetrate solid objects, including the human body. This property makes X-rays useful in medical imaging, such as X-ray radiography, computed tomography (CT) scans, and mammography.

When X-rays pass through the human body, they can be absorbed by the tissues or pass through, depending on the density of the material. Bones, for example, absorb more X-rays than soft tissues like muscle or fat, which is why they appear white in X-ray images.

While X-rays can be helpful in diagnosing medical conditions, they can also be harmful if exposure is not limited or controlled. Prolonged exposure to X-rays can damage DNA and potentially lead to cancer or other health problems.

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If the electric field was not perpendicular to the surface of a conductor, the charges on the surface of the conductor will move along the surface.

When аn electric field is аpplied to а conductor, it аpplies а force on the electrons in the conductor. The electrons will move in the direction of the electric field. If the electric field is perpendiculаr to the surfаce of the conductor, the electrons will move through the conductor.

However, if the electric field is not perpendiculаr to the surfаce of the conductor, the electrons on the surfаce of the conductor will move аlong the surfаce. This is becаuse the component of the electric field thаt is perpendiculаr to the surfаce of the conductor will be zero. Therefore, the electrons will only move аlong the surfаce of the conductor.

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If there were a significant increase in the output of energy from the sun, it would have a major impact on the Earth's climate and ecosystems.

The sun is the primary source of energy for life on Earth. The amount of solar radiation that reaches the Earth's surface influences the planet's temperature and weather patterns. If there were a significant increase in the output of energy from the sun, the Earth's temperature would rise, and weather patterns would be altered. This could lead to more frequent and severe weather events such as droughts, floods, and storms.

Additionally, the increased solar energy could cause changes in ocean currents, which would impact marine ecosystems. The increased energy could also lead to melting of the polar ice caps, which would result in rising sea levels and coastal flooding.

In summary, a significant increase in the output of energy from the sun would have far-reaching effects on the Earth's climate and ecosystems. It would lead to changes in weather patterns, alterations in ocean currents, and the melting of the polar ice caps. The impact of these changes would be felt across the planet, affecting both human and animal populations.

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Referring to the sketch of a planet around the sun, Area A is three times that of Area B the time \(t_{a}\) is three times \(t_{b}\) .

The orbit of an object is its course through space. Kepler first believed that planets' orbits were circular, but this incorrect assumption prevented him from discovering orbits that were consistent with Brahe's observations. He ultimately learned from the data for Mars that its orbit resembled an elliptical version of a slightly flattened circle. The ellipse is the most basic closed curve after the circle and is a member of the conic section family of curves.

This characteristic proposes a quick method for creating an ellipse. Two tacks are inserted into a drawing board through a sheet of paper, and the ends of a loop of string are wrapped around them to create slack by a planet.

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Answer:

in science and engineering , the weight of an object is the force acting on the object due to gravity.

The orbital period would increase if Moto moved further away from the star because its orbital speed would decrease and it would have a larger orbit to traverse.

The orbital period is directly related to the average distance between the planet and the sun. This law means that the orbital velocity of a planet decreases with increasing distance from the Sun. For example, Mercury's orbital velocity is much faster than Pluto's.

The square of a planet's period is directly proportional to the cube of its orbital radius. This is because the closer a planet is to the Sun the faster it rotates to resist gravity. The squared ratio of the periods of any two planets is equal to the cubed ratio of their average distances from the Sun.

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Answer:

rad -0.99

deg 0.92

...............

Explanation:

The vertical component = 10sin30° = 5.0N.

Answer:

it will option B,hope it helps

C. The wavelength is longer.

A sound wave is called a longitudinal wave because compressions and rarefactions in the air produce it.

The air particles vibrate parallel to the direction of propagation.

A longitudinal wave consists of a repeating pattern of compressions and rarefactions.

Thus, the wavelength is commonly measured as the distance from one compression to the next adjacent compression or the distance from one rarefaction to the next adjacent rarefaction.

Longitudinal waves move through a medium from the point of the disturbance in the form of compressions (where particles of the medium are bunched together) followed by rarefactions (where particles of the medium are farther apart).

In longitudinal waves, the distance from one compression to the next is the wavelength.

Therefore,

In longitudinal wave the wavelength is longer.

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Answer:

\(\huge\boxed{\sf PE=2.8 \ Joules}\)

Explanation:

Spring constant = k = 140 N/m

Displacement = x = 0.2 m

Elastic Potential Energy = PE = ?

\(\displaystyle PE= \frac{1}{2} kx^2\)

\(\displaystyle PE=\frac{1}{2} (140)(0.2)^2\\\\PE=(70)(0.04)\\\\PE=2.8 \ Joules\\\\\rule[225]{225}{2}\)