Buck - Boost converter system parameters: Vg=48V input voltage, output voltage Vo=12V, output load R=1~100Ω, output filter inductance L=100μH, capacitance C=220μF, switch frequency fsw=40kHz, namely switch cycle Tsw=25μs. PWM modulator sawtooth amplitude VM=2.5V. Feedback current network transfer function Hi(s)=1 feedback partial voltage network transfer function Hv(s)=0.5
Draw the circuit and give Detailed derivation of the transfer function.

If the AHRS (Attitude and Heading Reference System) malfunctions, the pilot may receive incorrect data, posing a risk to the aircraft's safety. Recognizing and addressing the malfunction is essential to maintaining safe and accurate flight attitude control.

The flight attitude is an essential aspect of an aircraft's navigation, as it refers to the orientation of the aircraft in relation to the Earth's horizon. One crucial system that provides flight attitude information to the cockpit instruments is the Attitude and Heading Reference System (AHRS).

If the AHRS malfunctions, the instruments receiving data from it may display incorrect information, posing a significant risk to the aircraft's safety.

The AHRS typically consists of multiple sensors, such as accelerometers, gyroscopes, and magnetometers, which work together to determine the aircraft's pitch, roll, and yaw. These data points are crucial for the pilot to maintain proper control and navigate safely.

When a malfunction occurs in the AHRS, the pilot may receive false readings on their attitude indicator, heading indicator, and other related instruments.

This situation can be especially dangerous during periods of limited visibility, such as night flights or when flying through clouds, as the pilot must rely heavily on these instruments to maintain control and navigate.

In such cases, it is essential for the pilot to recognize the malfunction and rely on alternative methods to maintain the aircraft's flight attitude. These methods may include using the standby attitude indicator, cross-checking with other instruments, or relying on air traffic control for assistance.

In summary, the flight attitude is the aircraft's orientation relative to the Earth's horizon, and the AHRS is a critical system that provides this information to the cockpit instruments.

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Remember to use the correct units to solve the problem

Answer:

9 s.

Explanation:

The following data were obtained from the question:

Time (t) taken to reach the maximum height = 4.5 s

Time of flight (T) =?

The time of flight (T) is simply defined as the total time spent by the ball in the air. Mathematically, it defined as twice the time taken (t) to reach the maximum height i.e

T = 2t

With the above formula, we can obtain the time of flight as follow:

Time (t) taken to reach the maximum height = 4.5 s

Time of flight (T) =?

T = 2t

T = 2 × 4.5

T = 9 s

Thus, the time of flight of the ball is 9 s.

Explanation:

first line is the group one element all are group 1 elements

Answer:

20 meters

Explanation:

Given the following parameters

Time t = 2 seconds

Acceleration a = 10m/s²

Required

Distance covered S

Since the body started from rest, u = 0m/s

Using the equation of motion S = ut + 1/2 at²

Substitute

S = 0 + 1/2(10)(2)²

S = 5 * 2²

S = 5 * 4

S - 20m

Hence he travels 20 meters

Answer:

when you walk your foot pushes down on the ground, while the ground pushes back on your foot

Explanation:

it was another brainly question, Goodluck :)

The answer is option (b) irreflexive, i.e., "is not married to." Therefore, we can conclude that the irreflexive is "is not married to".

Here are two relations: "is married to" and "is not married to." Supposing the universe is the set of all living human beings, which of these is irreflexive.

The irreflexive is "is not married to".What is irreflexive. In Mathematics, a binary relation R over a set X is irreflexive if and only if no element of X is associated with itself under the relation. Symbolically, ∀x ∈ X, ¬(xRx).

For example, the "greater than" relation is irreflexive on the real numbers because no real number is ever greater than itself.

What is a binary relation A binary relation R from a set A to a set B is a subset of the Cartesian product A × B, where A and B are arbitrary sets.In this case, the universe is the set of all living human beings.

Therefore, the relation "is married to" is not irreflexive. However, the relation "is not married to" is irreflexive since no human being is not married to themselves.

Thus, the answer is option (b) irreflexive, i.e., "is not married to."Therefore, we can conclude that the irreflexive is "is not married to".

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The relation "is married to" is reflexive, while the relation "is not married to" is irreflexive. Neither relation is symmetric, asymmetric, or antisymmetric.

The relation "is married to" is an example of a reflexive relation, while the relation "is not married to" is an example of an irreflexive relation.

(a) Reflexive: A relation is reflexive if every element in the set is related to itself. In the case of the relation "is married to," every person in the universe of all living human beings is married to themselves. For example, John is married to John, Mary is married to Mary, and so on. This satisfies the condition of reflexivity.

(b) Irreflexive: A relation is irreflexive if no element in the set is related to itself. In the case of the relation "is not married to," no person in the universe of all living human beings is not married to themselves. This means that everyone is married to themselves, which contradicts the condition of irreflexivity.

The relations "is married to" and "is not married to" are not symmetric, asymmetric, or antisymmetric because they do not satisfy the respective conditions for these properties.

(c) Symmetric: A relation is symmetric if for every element (x, y) in the relation, the element (y, x) is also in the relation. In the case of the relation "is married to," if John is married to Mary, it does not necessarily mean that Mary is married to John. Therefore, the relation is not symmetric.

(d) Asymmetric: A relation is asymmetric if for every element (x, y) in the relation, the element (y, x) is not in the relation. In the case of the relation "is married to," if John is married to Mary, it is not possible for Mary to be married to John. Therefore, the relation is not asymmetric.

(e) Antisymmetric: A relation is antisymmetric if for every element (x, y) in the relation, where x is not equal to y, if (x, y) is in the relation, then (y, x) is not in the relation. In the case of the relation "is married to," if John is married to Mary, it is not possible for Mary to be married to John. Therefore, the relation is antisymmetric.

In summary, the relation "is married to" is reflexive, while the relation "is not married to" is irreflexive. Neither relation is symmetric, asymmetric, or antisymmetric.

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Answer:

4761J

Explanation:

Given parameters:

Mass of the ball  = 18kg

Velocity before it hits the water below = 23m/s

Unknown:

Kinetic energy of the ball  = ?

Solution:

Kinetic energy is the energy due to the motion of a body. It is mathematically expressed as:

  Kinetic energy  = \(\frac{1}{2}\) m v²  

m is the mass

v is the velocity

 So;

  Kinetic energy  =  \(\frac{1}{2}\)  x 18 x 23²  = 4761J

Answer:

good luck

Explanation:

Answer:

ok whats the question lol u got discord?

Explanation:

Doubling the kinetic energy of a car does not change its momentum. Momentum is determined solely by the mass and velocity of the object, independent of its kinetic energy.

Kinetic energy and momentum are two different physical quantities that describe the motion of an object. Kinetic energy depends on the mass and velocity of an object, while momentum depends only on the mass and velocity.

When the kinetic energy of a car is doubled, it means that the car's velocity is increased while its mass remains the same. However, momentum is the product of mass and velocity, so if the mass remains constant, any change in kinetic energy does not directly affect momentum.

Mathematically, the formula for kinetic energy is KE = (1/2)mv^2, where KE represents kinetic energy, m represents mass, and v represents velocity. On the other hand, momentum is given by the formula p = mv, where p represents momentum. As we can see, kinetic energy involves velocity squared, while momentum only involves velocity.

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Answer:

A healthy diet, low in sugar, caffeine, and alcohol, can promote health and reduce stress.

Explanation:

A healthy diet, low in sugar, caffeine, and alcohol, can promote health and reduce stress. Get adequate sleep: A good night's sleep makes you able to tackle the day's stress more easily. When you are tired, you are less patient and more easily agitated, which can increase stress.

The string vibrates the surrounding air, which produces a longitudinal wave.

Brainly if correct? Please and thank you :D

The guitar string vibrates the surrounding air, which produces a transverse wave.

A transverse wave can be used to represent the motion of a guitar string since it oscillates up and down perpendicular to its axis of motion.

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From the given options let's select the example which shows a conceptual model.

A conceptual model can be said to be a model which shows an abstract representation of any concept which can be visualized or imagined than other models.

It is a model which the designers want users to understand.

From the list, the best option which is an example of a conceptual model is a mental image of gas molecules as tiny balls.

Let's say, for example, you imagine or have a mental picture of gas molecules using your imagination, it helps to understand how a vacuum system works and you can easily solve the problem if something goes wrong.

Therefore, the example of a conceptual model is:

A mental image of gas molecules as tiny balls.

• ANSWER:

A. mental image of gas molecules as tiny balls

Answer:

16

Explanation:

in the table, the square of x is the value of y

2.5 square = 6.25

9.4 square = 88.36

so, the square of 4 is 16

A 65-year-old man's energy intake should focus on meals c.) with a lower caloric density and increased nutrient density

Calorie density represents a metric that is employed to determine how many calories are contained in a given amount of food. For a 65-year-old male, meals with a lower calorie density and a higher nutritional density would be ideal. People's metabolisms tend to slow down as they become older, so they need fewer calories.

To preserve their health, they still require enough nourishment, though. By choosing foods that are high in nutrients yet low in calories, such as fruits, vegetables, whole grains, lean proteins, and healthy fats, one may meet nutritional needs while limiting calorie intake. Adding more fibre to your diet can also help ya person to lose weight and maintain good digestive health.

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Answer:  Temperature is also a condition that affects the speed of sound. Molecules at higher temperatures have more energy, thus they can vibrate faster. Since the molecules vibrate faster, sound waves can travel more quickly. The speed of sound in room temperature air is 346 meters per second.

Explanation: so basically, yes!

The repeated flying into the air and landing on the same spot reinforces to the woodcock that this is the center of its territory.

The phrase "Woodcock sky dances" refers to the woodcock's breeding routine. It is a migratory bird that mates in the United States' Eastern and Central regions. Woodcock "sky dances" or courtship flights, which are a part of its breeding ritual, are familiar to ornithologists and bird lovers.The male woodcock prepares for the display by choosing a place and then creating a tiny opening in the trees or shrubs. It flies into the air at sunset or sunrise, calling out with a distinctive chirping sound. It then lands on the same spot, with each flight being more extensive than the last. The woodcock does this repeatedly, with each flight reaching a greater height than the previous one.

The woodcock's territory is at the center of its sky dancing. The repeated flying into the air and landing on the same spot reinforces to the woodcock that this is the center of its territory. During the breeding season, the woodcock's sky dancing activity is essential. It shows off the male's strength and agility to female woodcocks, which aids in their selection of mates.The woodcock's behavior is a result of natural selection. Through sky dancing, the woodcock's species has developed its breeding ritual over thousands of years. The ability to perform sky dances is an evolutionary benefit to the woodcock, as it aids in species reproduction and survival. Therefore, repeatedly flying into the air and landing on the same spot reinforces to the woodcock that this is the center of its territory.

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Answer:

22236 mi

Explanation:

Answer:

Explanation:

The distance will be the total distannce covered during the journey.

If you move 3 meters East and move 4 meters north, then the distance will be calculated as;

Distance = distnace through East+distance through north

Distance = 3m + 4m

Distance = 7m

Displacement is the distance covered in a specified direction. It is the shortest distance covered by me. This can be gotten using the Pythagoras theorem.

d² = 3²+4²

d² = 9+16

d² = 25

d = √25

d = 5m

Hence the displacement of the object is 5metres

Answer:

t = 1.5 hours

Explanation:

Given that,

Speed of an airplane, v = 560 miles per hour

Distance, d = 840 miles

We need to find the time taken to cover a distance of 840 miles.

\(v=\drac{d}{t}\\\\t=\dfrac{d}{v}\\\\t=\dfrac{840}{560}\\\\t=1.5\ h\)

So, the required time is 1.5 hours.

A hydrogen atom is in its ground state (nᵢ = 1) when a photon impinges upon it. The atom absorbs the photon, which has precisely the energy required to raise the atom to the nf = 3 state. (a) The photon's energy that was absorbed is approximately 1.51 eV (negative sign indicates absorption).(b)option B and C are correct.

To determine the photon's energy and the energies of photons that might be emitted when the hydrogen atom returns to the ground state, we can use the energy level formula for hydrogen atoms:

E = -13.6 eV / n^2

where E is the energy of the electron in the atom, and n is the principal quantum number.

(a) To find the energy of the photon that was absorbed by the hydrogen atom to raise it from the ground state (nᵢ = 1) to the nf = 3 state, we need to calculate the energy difference between the two states:

ΔE = Ef - Ei = (-13.6 eV / 3^2) - (-13.6 eV / 1^2)

Calculating the value of ΔE:

ΔE = -13.6 eV / 9 + 13.6 eV

= -1.51 eV

Therefore, the photon's energy that was absorbed is approximately 1.51 eV (negative sign indicates absorption).

(b) When the hydrogen atom returns to the ground state, it can emit photons with energies corresponding to the energy differences between the excited states and the ground state. We need to calculate these energy differences and check which values are present among the given options.

ΔE1 = (-13.6 eV / 1^2) - (-13.6 eV / 3^2) = 10.20 eV

ΔE2 = (-13.6 eV / 1^2) - (-13.6 eV / 4^2) = 10.20 eV

ΔE3 = (-13.6 eV / 1^2) - (-13.6 eV / 5^2) = 12.10 eV

ΔE4 = (-13.6 eV / 1^2) - (-13.6 eV / 6^2) = 12.10 eV

ΔE5 = (-13.6 eV / 1^2) - (-13.6 eV / 7^2) = 13.55 eV

ΔE6 = (-13.6 eV / 1^2) - (-13.6 eV / 8^2) = 13.55 eV

ΔE7 = (-13.6 eV / 1^2) - (-13.6 eV / 9^2) = 13.55 eV

Comparing the calculated energy differences with the given options:

(A) 1.89 eV: This energy difference does not match any of the calculated values.

(B) 12.1 eV: This energy difference matches ΔE3 and ΔE4.

(C) 10.2 eV: This energy difference matches ΔE1 and ΔE2.

(D) 13.6 eV: This energy difference does not match any of the calculated values.

Therefore option B and C are correct.

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Given:

There is a closed path for the flow of current.

Answer and explanation:

A correct option is an option (A). Since the path is closed, the current will flow through the circuit.

An option (B) is incorrect because the charge does not accumulate in a closed path.

Option (C) is also incorrect because the path is closed, and the circuit cannot be open.

Option (D) is also an incorrect option because there is always a resistance provided by the metal wire.

Answer:

this ans is 42.85

Explanation:

i dont not explain but i hipe you get it

Answer: Due that we don't know the initial speed after hitting the ball, we are going to accept that the ball goes up for half of the time and then falls during other half part, that is 3.0 seconds each. Then we know that ball's movement is ruled by the acceleration of gravity formula, as follows: H = Vi * T + 1/2 * g * T^2 V = Vi + g * T where: H is height, Vi initial speed, g gravity acceleration and T time When we only consider the second half of the trajectory, we have that initial speed at the top of that movement is zero, because ball goes up till top, where stops and starts to go down, so : H = 0 * 3 + 1/2 * 32 * 3^2 = 144 ft. So the height of the pop-up is 144 feet.

The ball rise 144 feet high.

Due to that, we don't know the initial speed after hitting the ball, we are going to accept that the ball goes up for half of the time and then falls during another half part, which is 3.0 seconds each.

Then we know that the ball's movement is ruled by the acceleration of gravity formula, as follows: H = Vi * T + 1/2 * g * T^2 V = Vi + g * T

Where: H is height, V is initial speed, g is gravity acceleration, and T is time.

When we only consider the second half of the trajectory, we have that initial speed at the top of that movement is zero, because the ball goes up to the top, where stops and starts to go down, so:

H = 0 * 3 + 1/2 * 32 * 3^2 = 144 ft.

So the height of the pop-up is 144 feet.

Height is a measure of vertical distance, either vertical extent or vertical position

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13954 Newtons of the saltwater will be displaced by the boat if it float on the saltwater.

The boat floating in the fresh water displaces 16000N.

We know, the weight of the liquid displaced by the boat is equal to the buoyancy of the boat.

So,

B = 16000N.

When the boat is put into the saltwater, its buoyancy will be,

B = Vpg

Where,

V is the volume of the saltwater displaced,

p is the density of the saltwater,

g is the acceleration due to gravity.

Putting values,

16000 = V(1.17)(9.8)

V = 1395.4 m³.

The weight of the saltwater will be,

Weight = 1395.4 x 10

Weight of the water displaced 13954 Newtons.

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The equivalent capacitance between points a and b for the group of capacitors connected as shown in Figure P25.12 is 4.20 µF.Given data,C1 = 5.00 µFC2 = 2.00 µFCg = 10.0 µF

(a) The equivalent capacitance between points a and b is asked to be found.

To find the equivalent capacitance, we need to use the formula as shown below,1/Ceq = 1/C1 + 1/C2 + 1/Cg.

Now, substituting the given values in the above equation,1/Ceq = 1/5.00 + 1/2.00 + 1/10.0= 0.2 + 0.5 + 0.1= 0.8Ceq = 1/0.8= 1.25 µF

(b) The equivalent capacitance between points a and b is 4.20 µF is to be verified.

Substituting the given values in the equation,1/Ceq = 1/C1 + 1/C2 + 1/Cg1/4.20 = 1/5.00 + 1/2.00 + 1/10.0= 0.2 + 0.5 + 0.1= 0.8Ceq = 1/0.8= 1.25 µF.

The equivalent capacitance between points a and b for the group of capacitors connected as shown in Figure P25.12 is 4.20 µF and it is verified.

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The angle of the plate will affect how much sunlight hits the plate. The amount of sunlight that hits a surface depends on the angle of incidence, which is the angle at which the sunlight hits the surface. When the angle of incidence is perpendicular to the surface (i.e., the sun is directly overhead), the maximum amount of sunlight is received by the surface.

However, as the angle of incidence increases, the amount of sunlight that hits the surface decreases because the same amount of sunlight is spread over a larger area. Therefore, if the plate is not angled properly to face the sun, it will receive less sunlight, which will affect its efficiency in converting sunlight into electricity.

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Answer:A) 19.8 seconds

B) 467.5 metres

Explanation: 100km/hr = 27.78m/s

So, it covers 27.78 metres in one second

Take the time it would cover 550m as x

Therefore 27.78m = 1second

550m = x

Cross multiplying

27.78x = 550m

Divide both sides by the coefficient of x

x = 550÷27.78

x = 19.8seconds

B) distance = speed × time

Speed = 85km/hr = 23.61m/s

Time = 19.8seconds

Therefore,

Distance = 23.61 × 19.8

Distance = 467.5m