2)A three-phase four-pole winding of the double-layer type is to be installed on a 48-slot stator. The pitch of the stator windings is 5/6, and there are 10 turns per coil in the windings. All coils in each phase are connected in series, and the three phases are connected in . The flux per pole in the machine is 0.054 Wb,and the speed of rotation of the magnetic field is 1800 r/min. (a) What is the pitch factor of this winding? (b) What is the distribution factor of this winding? (c) What is the frequency of the voltage produced in this winding? (d) What are the resulting phase and terminal voltages of this stator?

It is female (XO).A karyotype can be used to diagnose a chromosomal disorder by examining the number and arrangement of a person's chromosomes.

Chromosomes are thread-like structures located in the nucleus of cells that carry genetic information in the form of genes. They are composed of DNA and proteins and are responsible for directing the development and functioning of cells. In humans, chromosomes come in pairs of 23, with one copy of each pair inherited from each parent.

For example, Down Syndrome is caused by an extra chromosome 21, Klinefelter Syndrome is caused by an extra X chromosome in males (XXY), and Turner Syndrome is caused by a single X chromosome in females (XO).

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The clay ball that could stick to the door would be more effective when you want to shut the door from a distance be throwing a n object.

The effective way to shut the door could be through the use of the clay ball that could stick to the door and push it to the place where it could jam rather than the rubber ball that would bound back.

The best way to shut a door is to use the door handle or knob to pull the door towards you and guide it into the door frame until it clicks shut.

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Answer:

The area of the figure 7 in the area of 6 ft

We can see from the table that we have in the question that  Wave W has a faster speed.

Wavelength and frequency are two fundamental properties of waves, including electromagnetic waves and sound waves. The relationship between wavelength and frequency can be described by the following equation:

c = λν

where c is the speed of light (or speed of sound), λ is the wavelength, and ν is the frequency.

According to this equation, the wavelength and frequency are inversely proportional to each other.

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The effort needed to lift the load of 300 N, given that the velocity ratio is 6 and the machine has an efficiency of 80% is  62.5 N

First, we shall determine the mechanical advantage of the machine. Details below:

Efficiency = MA / VR

80% = MA / 6

Cross multiply

MA = 80% × 6

MA = 4.8

Finally, we shall determine the effort of the machine. Details below:

Mechanical advantage (MA) = Load (L) / Effort (E)

4.8 = 300 / Effort

Cross multiply

4.8 × Effort = 300

Divide both sides by 4.8

Efoort = 300 / 4.8

Effort = 62.5 N

Thus, we can conclude that the effort of the machine is 62.5 N

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To check your answers, we can use the following equations:

(a) Thrust = (mass flow rate of exhaust gas) * (exhaust velocity of gas) + (initial mass of rocket) * (acceleration due to gravity)

(b) Time to exhaust fuel = (0.8 * initial mass of rocket) / (mass flow rate of exhaust gas)

(c) Final velocity of rocket = (exhaust velocity of gas) * ln(initial mass of rocket / final mass of rocket)

Using the given values:

Mass flow rate of exhaust gas = 200 kg/s

Exhaust velocity of gas = 1.80 km/s = 1800 m/s

Initial mass of rocket = 20,000 kg

Acceleration due to gravity = 9.81 m/s^2

Final mass of rocket = 0.2 * initial mass of rocket = 4,000 kg

(a) Thrust = (200 kg/s) * (1800 m/s) + (20,000 kg) * (9.81 m/s^2) = 360,000 N

Your answer for part (a) is correct.

(b) Time to exhaust fuel = (0.8 * 20,000 kg) / (200 kg/s) = 800 s = 20 minutes

Your answer for part (b) is incorrect. The correct answer is 800 seconds or 20 minutes, not 20 seconds.

(c) Final velocity of rocket = (1800 m/s) * ln(20,000 kg / 4,000 kg) = 205.66 m/s

Your answer for part (c) is correct.

The distance between the train cars will decrease, as stronger magnets will create a greater attractive force between them. This will cause the cars to be pulled closer together.

The strength of a magnet depends on the type of magnet and the material it is made from. Generally, the strongest magnets are neodymium magnets, also known as rare earth magnets. These are made from a combination of neodymium, iron, and boron and can produce magnetic fields up to 1.4 teslas, or 14,000 gauss. Samarium cobalt magnets are also powerful, producing fields up to 1.4 teslas. Other types of magnets, such as ceramic and Alnico magnets, generally produce magnetic fields of around 0.5 teslas or 5,000 gauss.

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Answer:

D

Explanation:

If the water represents the oceans water then you'd would need to calculate how much of earth is water (96.5)

The farmer had a displacement of 133.4 m at an angle of -15.5° after moving 80.0 m [0°] and then 60.0 m [335°].

To find the displacement of the farmer who walked 80.0 m [0°] and then 60.0 m [335°], we need to use vector addition. First, we need to convert the distances and angles into their respective x and y components. The x component of the first displacement is 80.0 m (cos 0°) = 80.0 m, and the y component is 80.0 m (sin 0°) = 0 m. Similarly, the x component of the second displacement is 60.0 m (cos 335°) = 49.5 m, and the y component is 60.0 m (sin 335°) = -35.1 m (negative because it is in the fourth quadrant).

Next, we add the x and y components separately to find the resultant x and y components.

Resultant x component

= 80.0 m + 49.5 m

= 129.5 m

Resultant y component

= 0 m - 35.1 m

= -35.1 m

Now, we can use the Pythagorean theorem to find the magnitude of the resultant displacement:

|displacement| = √(129.5 m)² + (-35.1 m)²

= 133.4 m

Lastly, we can use inverse tangent to find the direction of the displacement:

θ = a tan (-35.1 m / 129.5 m) = -15.5°

Therefore, the displacement of the farmer who walked 80.0 m [0°] and then 60.0 m [335°] is 133.4 m at an angle of -15.5°.

Finding displacement through vector addition is a common problem in physics and is an important concept in understanding motion. By breaking down distances and angles into their respective x and y components, we can add them together to find the resultant displacement.

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Answer: In order of most inertia to least.

car stopped

motorcycle driving

dog laying

large hot coffee

small mouse

Explanation:

Honestly, I'm not 100% sure about this, but inertia is the want to remain the way it currently is, So the larger the object, the more inertia it should have. So I basically arranged the things by size, I think the moving and not is a red herring to throw you off. Also given that the dog laying in the middle option makes sense because a dog would be in the middle of the size options.

Answer:

After the head-on collision, both identical billiard balls will bounce back at the same speed they had before the collision. This is because of the conservation of momentum, which states that the total momentum of a closed system remains constant if no external forces act on it. In this case, the two billiard balls are a closed system, and their total momentum before the collision is equal and opposite to their total momentum after the collision. Therefore, they will both bounce back with the same speed they had before the collision.

Explanation:

Answer: Diffraction

Explanation: It is diffraction, because due to diffraction, sound waves bend on the corner as their size is of the order of wavelength of sound waves.

The reflected sound wavefronts at the given boundary are waves that have bounced off a surface and changed direction.

The reflected sound wavefront is shown in the attachment.

A reflected wavefront is a wavefront that has bounced off a surface and changed direction. When a wave, such as a light wave or sound wave, encounters a surface, some of the wave energy is reflected back in the opposite direction.

An example of reflected sound wavefronts in water can be seen in underwater sonar imaging.

In sonar imaging, a sound wave is emitted from a source and travels through the water. When the sound wave encounters an object, some of the wave energy is reflected back toward the source.

Reflected wavefronts play an important role in many areas of science and engineering, such as optics, acoustics, and electromagnetism. They are used to model the behavior of waves in complex systems and to design and optimize devices such as mirrors, lenses, and antennas.

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Average force F = 97.52 N acting on window surface.

Pressure on the window: P = 84.39 N/m²

Average force F:

F = mg sinФ

Put the values:

F = 0.05*9.81* sin 67°

F = 0.45 N

Number of hailstones = 216

Average force F = 0.45* 216 = 97.52 N

Pressure on the window:

Pressure = Average force / area

P = 97.52 / 1.156

P = 84.39 N/m²

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Answer:

a

Explanation:

a push or a pull that occurs when an object interacts with another object or field.

pls mrk me brainliest

From the given circuit, the value of I1 = -4 Amp, V1 = -4 V, and the V2 = 4V. Ohm's law has three different variations that are related to voltage, current, and resistance. The relationship between the voltage across the terminals and the resistor's resistance determines the current for a constant flow of current.

According to Ohm's law, the voltage across a conductor determines how much current flows through it. For many materials, including metals, this is true so long as the temperature (as well as other physical parameters) stay constant.

Any electrical network may be solved using nodal analysis, which is what it is called. the formula used to determine how much voltage is shared across circuit nodes. Since the node voltages are with respect to the ground, this method is also referred to as the node-voltage method.

Applying KCL,

I1 = -1 -3

I1 = -4 A

Applying concept of super-node,

V2 = 4V

[tex]\frac{4-V1}{2} -1-3=0[/tex]

[tex]2-\frac{V1}{2} =4[/tex]

[tex]\frac{-V1}{2} =4-2[/tex]

[tex]V1=-4V[/tex]

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The total resistance is 3 ohm

The current is 1.5 A

To calculate the total resistance of a circuit, you need to determine the equivalent resistance of all the resistors in the circuit. The equivalent resistance is the single resistance value that could replace all the individual resistors and produce the same overall resistance.

1) This is a parallel circuit thus;

1/RT = 1/6 + 1/6

RT = 3 ohm

2) This is a series circuit thus;

RT = 4 + 6 = 10 ohm

Current = 15V/10 ohm

= 1.5 A

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Answer:

≈ 192.7 m/s

Explanation:

Let's start by finding the velocity of the block just before it hits the ground. We can use the conservation of energy:

Conservation of energy tells us that these two energies are equal:

mgh = (1/2)mv^2

Solving for v, we get:

v = sqrt(2gh)

Plugging in the given values, we get:

v = sqrt(2 * 9.8 m/s^2 * 1.9 m) = 6.06 m/s

Now, let's use conservation of momentum to find the initial speed of the bullet. We know that the total momentum of the system (bullet + block) is conserved before and after the collision. Before the collision, the momentum is:

p = mb * vb

where mb is the mass of the block and vb is its initial velocity, which is 0 since it is at rest.

After the collision, the bullet and block move together with a common velocity v. The total momentum is:

p = (mb + m) * v

where m is the mass of the bullet. Since momentum is conserved:

mb * vb = (mb + m) * v

Solving for vb, we get:

vb = (mb + m) * v / mb

Plugging in the given values, we get:

vb = (345 g + 7 g) / 7 g * 6.06 m/s = 192.7 m/s

Therefore, the initial speed of the bullet was approximately 192.7 m/s.

The potential energy of the shot as it left the hand relative to the ground would be -524 J.

At the moment the shot putter releases the shot, the total energy of the system is:

E = KE + PE

where KE is the kinetic energy of the shot and PE is its potential energy relative to the ground. We can assume that the kinetic energy is entirely due to the motion of the shot in the horizontal direction, so we can write:

KE = (1/2)mv^2

where m is the mass of the shot, and v is its horizontal velocity. Substituting the known values, we get:

KE = (1/2)(5.00 kg)(15.0 m/s)^2 = 1125 J

At the maximum height of 14.5 m, the shot has zero kinetic energy, so all its energy is potential energy:

PE = mgh

where g is the acceleration due to gravity and h is the height above the ground. Substituting the known values, we get:

PE = (5.00 kg)(9.81 m/s^2)(14.5 m - 3.00 m) = 601 J

Therefore, the potential energy of the shot as it left the hand relative to the ground was:

PE = E - KE = 601 J - 1125 J = -524 J

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Answer: Answer is below <3 (The underlined part is the answer)

Explanation: The reason why an object with a smaller mass has a larger acceleration than an object with a larger mass if the same force acts on each is because the acceleration of an object depends on its mass as well as the force exerted on it, and if the mass is smaller than the other object than it is faster.

The reason why a football accelerates faster than a soccer ball when the same amount of force is applied is because of the difference in their masses. The acceleration of an object is directly proportional to the force applied to it and inversely proportional to its mass. This means that the smaller the mass of an object, the greater the acceleration it experiences when the same amount of force is applied to it.

A football is typically smaller and lighter than a soccer ball, so when the same amount of force is applied to both balls, the football experiences a greater acceleration due to its lower mass. This is consistent with Newton's second law of motion, which states that the acceleration of an object is directly proportional to the net force applied to it and inversely proportional to its mass.

Additionally, the surface area and shape of the balls can also affect their acceleration. A football is typically more aerodynamic with a pointed shape that reduces air resistance, allowing it to move through the air more easily and accelerate faster. In contrast, a soccer ball has a more spherical shape that can create more air resistance, slowing down its acceleration.

Therefore, the mass, shape, and surface area of the ball are all factors that can affect its acceleration when a force is applied.

The section of the diagram that includes the coolest, brightest stars is A, Section 1.

On the Hertzsprung-Russell diagram, the vertical axis represents luminosity, which is the total amount of energy emitted by a star per unit time. The luminosity is measured in units of solar luminosity, which is the amount of energy emitted by the Sun per unit time.

The section that includes the coolest, brightest stars is Section 1. This is because in this section, the stars have a low temperature (around 3,000-4,000 K) and a high luminosity (around 1,000-10,000 times that of the Sun). These stars are called red giants, and they are nearing the end of their lives. As they run out of fuel, their outer layers expand and cool, making them appear red and bright.

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Answer:

150 J

-300 J

300 J

256.8 J

Explanation:

Use the following equation: W = ΔK = Kf - Ki

Calculations below:

Ki = 150 J, F = 10 N, d = 15 m, θ = 90°

The work done on the ball is:

W = Fd cos θ = 10 × 15 × cos 90° = 0 J

Therefore, the final kinetic energy is:

Kf = Ki + W = 150 + 0 = 150 J

Ki = 300 J, F = 200 N, d = 1.5 m, θ = 180°

The work done on the ball is:

W = Fd cos θ = 200 × 1.5 × cos 180° = -600 J

Therefore, the final kinetic energy is:

Kf = Ki + W = 300 - 600 = -300 J

Ki = 200 J, F = 25 N, d = 4 m, θ = 0°

The work done on the ball is:

W = Fd cos θ = 25 × 4 × cos 0° = 100 J

Therefore, the final kinetic energy is:

Kf = Ki + W = 200 + 100 = 300 J

Ki = 450 J, F = 15 N, d = 30 m, θ = 150°

The work done on the ball is:

W = Fd cos θ = 15 × 30 × cos 150° = -193.2 J

Therefore, the final kinetic energy is:

Kf = Ki + W = 450 - 193.2 = 256.8 J

Answer:


The power output of the engine can be calculated using the formula:

Power = Force x Velocity

where force is the net force acting on the car, and velocity is the speed of the car. In this case, the net force is equal to the force exerted by the engine, which is 1,775.0 N, since the car is moving at a constant speed and there is no acceleration. The velocity of the car is 13.0 m/s. Thus, the power output of the engine can be calculated as:

Power = 1,775.0 N x 13.0 m/s = 23,075 W

Therefore, the power output of the engine is 23,075 watts.

The primary locations for the birth of new stars are in galaxies' spiral arms. The proportion of the galaxy that can participate in star formation increases as more gas and dust become available.

We refer to some spiral galaxies as "barred spirals" because the centre bulge seems extended, like a bar. The spiral arms of the galaxy seem to emerge from the ends of the bar in barred spirals. Elliptical galaxies are round or oval in shape, as their name implies, and have a rather uniform distribution of stars.

The Norma and Cygnus arm, Sagittarius, Scutum-Crux, and Perseus arms are the four principal spiral arms of the Milky Way.

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Answer: NUMBER - 275.5 N

Explanation:

When she let go of the rope, her height above the water would be  3.20 meters.

We can use the equations of motion to solve this problem. Let's assume that the girl's initial height above the water is h, and that the acceleration due to gravity is -9.81 m/s^2 (negative because it is directed downward). Then we have:

Initial horizontal velocity (vx) = 2.25 cos(35º) = 1.84 m/s

Initial vertical velocity (vy) = 2.25 sin(35º) = 1.30 m/s

During the 1.20 s of flight, the girl's vertical motion can be described by the following equation:

h + vy*t + (1/2)gt^2 = 0

where t is the time of flight and g is the acceleration due to gravity. Substituting the known values, we get:

h + (1.30 m/s)(1.20 s) + (1/2)(-9.81 m/s^2)*(1.20 s)^2 = 0

Simplifying and solving for h, we get:

h = -1/2*(-9.81 m/s^2)(1.20 s)^2 - (1.30 m/s)(1.20 s) = 3.20 m

Therefore, the girl was 3.20 meters above the water when she let go of the rope.

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The resistive force of friction (Fr) divided by the normal or perpendicular force (N) pushing the objects together yields the coefficient of friction (fr), which is a numerical value. It is expressed by the equation: fr = Fr/N.

coefficient of friction, ratio of the frictional force opposing the motion of two surfaces in contact to the normal force pushing the two surfaces together.

Typically, it is represented by the Greek letter mu (). In terms of math, is equal to F/N, where F stands for frictional force and N for normal force. The things creating friction will determine the coefficient of friction. The value is often between 0 and 1, although it can also be higher. A number of 0 indicates that there is absolutely no friction between the items; superfluidity makes this feasible.

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Full Question ;

A concrete highway curve of radius 80.0 m is banked at a 18.0 degrees angle.

What is the maximum speed with which a 1100 kg rubber-tired car can take this curve without sliding? (Take the static coefficient of friction of rubber on concrete to be 1.0.)

Answer:

5292.64 m

Explanation:

Answer:

-3525.000 m/s

Explanation:

In a perfectly inelastic collision, the two particles stick together and move with a common velocity after the collision. We can use the conservation of momentum to solve for this common velocity.

The initial momentum of the system is:

p_initial = m1 * v1 + m2 * v2

= (12.000 mg)(55.000 m/s) + (68.000 mg)(-48.000 m/s)

= -282.000 kg·m/s

Here, we convert the masses to kilograms to match the units of velocity.

Since the particles stick together after the collision, their masses add up:

m_final = m1 + m2

= 12.000 mg + 68.000 mg

= 80.000 mg

= 0.080 g

Now, we can use the conservation of momentum to find the final velocity:

p_final = m_final * v_final

where p_final = p_initial and m_final = 0.080 g.

Therefore:

v_final = p_final / m_final

= -282.000 kg·m/s / 0.080 g

= -3525.000 m/s