in a forward converter, the flux in the core is brought to zero during every switching cycle before the next cycle begins. this can be done by

Answer:

I am pretty sure the answer is A

Explanation:

I know its not C

I hope this helps and I'm sorry if it does not.

The features of an object which affect its weight are the mass and location which is denoted as option A.

This is defined as the force acting on the object due to gravity and the formula is W = mg where m is mass and g is acceleration due to gravity.

This is why the weight features of an object is affected by its mass and then location.

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Answer:

A) The speed of a satellite in a geosynchronous orbit about Earth is approximately 3 kilometers per second (km/s).

B) The speed of the Earth as it orbits the Sun is approximately 29.8 kilometers per second (km/s). The speed of the satellite in a geosynchronous orbit about Earth is much slower compared to the speed of the Earth as it orbits the Sun.

Explanation:

Answer:  It is important to study Earth because it is the one place in the entire solar system where humans can live.  Earth is a planet too! The advantage is Earth science or geoscience includes all fields of natural science related to planet Earth. This is a branch of science dealing with the physical and chemical .

quote explanation: I hope that was helpful and please mark me as brainliest!

Answer:

The answer is "a, c and b"

Explanation:

Answer:

Magnitude = 14 metres

Direction = eastward.

Explanation:

A cross-country skier moves 36 meters eastward, then 44meters westward, and finally 22 meters eastward.

Whats the Magnitude and Direction?

The magnitude and direction will be the displacement of the cross country skier.

Let the east ward be positive and the west ward be negative.

Since the skier moves 36 meters eastward, then 44meters westward, and finally 22 meters eastward. Then, that will be:

36 - 44 + 22 = 14

Since the answer is positive, the magnitude is 14 and the direction is east ward.

when investing in RSA retail saving bonds, investors should consider interest rates, investment term, risk, and liquidity. It is recommended that investors conduct thorough research and seek professional advice before making any investment decisions.

Firstly, it is important to consider the current interest rates being offered on the bonds. This will help investors determine the potential returns they can expect to earn on their investment.

Another factor to consider is the length of the investment term. RSA retail saving bonds are available in a variety of terms, ranging from 2 to 5 years.

It is also important to consider the level of risk associated with investing in RSA retail saving bonds. While these bonds are considered low-risk investments, there is always a chance that the issuer may default on the bond, resulting in the loss of the investor's principal.

Lastly, investors should consider the liquidity of the investment. RSA retail saving bonds are not easily tradable and may not be suitable for investors who require quick access to their funds.

In summary, when investing in RSA retail saving bonds, investors should consider interest rates, investment term, risk, and liquidity. It is recommended that investors conduct thorough research and seek professional advice before making any investment decisions.

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Answer:

object stop

Explanation:

According to the given statement the final pressure inside the container P = 1015 atm.

Partial pressures can be calculated in one of two ways: To determine the individual pressure of each gas in a mixture, use PV = nRT. Calculate the proportion of pressure from the total pressure that may be assigned to each individual gas using the mole fraction of each gas.

You use the ideal-gas law:

PV = nRT

We are aware of V (volume), R (the ideal gas law constant, which, when applied to L and moles, is 8.314), and T. (293 K)

There are 10 g of helium, we divide by helium's molar mass in order to find the amount of moles.

10 g / (4.00 g/mol) = 2.5 moles of Helium

Since we now know all the variables, we can use the ideal-gas law to find the pressure. We'll take the equation and solve for P:

PV = nRT

P = (nRT)/(V)

P = (2.5)(8.314)(293)/(6)

P = 1015 atm

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Answer:

If they both start at the same height then most likely that means that each has an intical velocity  and a net force sooooo ball A 19.6

Explanation:

Answer: The mass of ball C is greater than the mass of ball A but less than the mass of ball B.

Answer:

Answer:

Debt payments to income ratio = 22.74%

Explanation:

Debts payment to Income ratio is calculated as follows:

= \frac{Total\ debt\ payment}{Total\ Income}

Total Income

Total debt payment

We have total debts payment = auto loan payment 685 + student loan payment685+studentloanpayment375 + credit card payment 125 =125=1,185

Total Income = $5,210

Note: Credit card is also a kind of debt as firstly all the expenses are met during the period and then the payment is made at the end of the period, therefore, there is a loan in the period. Therefore, it will be considered for payment of debt.

Debt payments to income ratio = \frac{1,185}{5,210} = 22.74

5,210

1,185

=22.74

That means the debts are 22.74% of income.

The possible valid accesses for an array a and vector v, each with 10 elements is given below:Array: a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], a[8], a[9]Vector: v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9]

The term array is used to define a set of similar data types that are stored in contiguous memory blocks. The index of an array starts at 0, which means the first element of the array is stored at index 0. In the case of arrays, the elements must be of the same data type.The term vector is defined as a dynamic array, which means that the size of the vector can be changed during runtime. Vectors are defined in the same way as arrays, except that they have a dynamic size limit and can be easily resized.

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Inelastic collision and a host of other factors causes the loss of energy.

Kinetic energy of an object is the energy that it possesses due to motion.

It can be defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. When it has gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes.

In an inelastic collision which is the case of ball X and Y, the kinetic energy of the system is not conserved. The energy that you find lost has been dissipated as other forms of energy. This can be heat, friction, vibrational energy transferred to atoms of the colliding particles, energy lost to deform the atomic structure etc.

In conclusion, the inelastic collision nature of the two balls results in the loss of energy through different forms.

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Answer:

KE = 0.056 J

Explanation:

To calculate the power required to do 6 kJ of work in three minutes, we need to use the formula P = W/t, where P is the power in watts, W is the work done in joules, and t is the time taken in seconds.

First, we need to convert the time from minutes to seconds. Since one minute equals 60 seconds, three minutes would be 3 x 60 = 180 seconds. Next, we can substitute the values into the formula: P = 6,000 / 180 = 33.33 watts. Therefore, the power required to do 6 kJ of work in three minutes is 33.33 watts. It's important to note that power is a measure of how quickly work is done. In this case, the power required to do 6 kJ of work in three minutes is relatively low, which suggests that the work is being done at a slower rate. In contrast, if a higher power output was required to do the same amount of work, it would indicate that the work was being done more quickly. Understanding power requirements is important in a wide range of fields, including engineering, physics, and energy production.

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Answer:

A battery is a device that stores chemical energy and converts it to electrical energy. The chemical reactions in a battery involve the flow of electrons from one material (electrode) to another, through an external circuit. The flow of electrons provides an electric current that can be used to do work.

Given:

A ball bouncing eventually comes to stop.

To find:

What kind of a system is this?

Explanation:

An open system is a system where the free exchange of matter and energy with the surroundings takes place.

A closed system is where only the energy of the system is shared with the surrounding. In these kinds of systems, the exchange of matter does not take place.

An isolated system is where neither matter nor energy is exchanged between the system and the surrounding.

When a ball is bouncing, it gradually loses its kinetic energy to the surroundings and eventually comes to stop. But the mass of the ball remains the same. Thus this is a closed system.

Final answer:

The given system is a closed system.

Therefore the correct answer is option B.

The correction for the orbital motion of Earth when observing sunspots is necessary because the apparent motion of sunspots on the surface of the Sun is affected by the relative motion between the Sun and Earth. This means that the position of sunspots appears to change slightly over time due to Earth's orbital motion around the Sun.

To correct for this, astronomers use a technique called heliographic coordinates, which account for the effects of Earth's motion by referencing sunspot positions to the center of the Sun rather than to their apparent positions on the surface. This involves mapping the surface of the Sun using a grid of lines that are parallel to the Sun's equator and poles, which remain fixed in space as Earth orbits around the Sun. By measuring the apparent positions of sunspots relative to this fixed grid, astronomers can determine the rotation period of the Sun more accurately. This correction is necessary because if Earth's motion were not taken into account, the apparent rotation period of the Sun would be shorter than its actual rotation period, due to the relative motion between Earth and the Sun. The correction for the orbital motion of Earth when determining the rotation period of the Sun using sunspots, let's follow these steps:
1. Observe the sunspots: Sunspots are temporary dark spots on the Sun's surface caused by intense magnetic activity. They can be used to track the rotation of the Sun because they move across the solar surface as the Sun rotates.
2. Record the apparent motion of sunspots: As the Sun rotates, the sunspots appear to move across the solar surface. This apparent motion can be recorded over a period of time to estimate the Sun's rotation period.
3. Consider Earth's orbital motion: While observing sunspots from Earth, we must take into account that the Earth is also moving in its orbit around the Sun. This orbital motion can affect our observation of the sunspots' apparent motion.
4. Apply the correction: To correct for Earth's orbital motion, we must adjust the observed rotation period of the Sun. Earth's orbital motion causes an apparent motion of the Sun in the sky (due to our perspective), which can make the Sun's rotation period seem shorter than it actually is. To correct for this, we need to add the time it takes for Earth to move the same angular distance as the observed sunspot motion. This will give us the true rotation period of the Sun.
In summary, when determining the Sun's rotation period using sunspots, a correction must be made for Earth's orbital motion. This correction arises because Earth's motion around the Sun affects our observation of the sunspots' apparent motion. By taking this into account and adjusting the observed rotation period, we can accurately calculate the Sun's true rotation period.

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Answer:

Velocidad final, V = 8 m/s

Explanation:

Dados los siguientes datos;

Velocidad inicial, u = 4 m/s

Aceleración, a = 2 m/s²

Tiempo, t = 2 segundos

Para encontrar la velocidad final (v), usaríamos la primera ecuación de movimiento;

V = u + at

Sustituyendo en la fórmula, tenemos;

V = 4 + 2*2

V = 4 + 4

Velocidad final, V = 8 m/s

The average speed of a body traveling on a road is 6.5 km/h.

What speed is typical? The total distance something has traveled is divided by the total amount of time it took to traverse that distance to arrive at its average speed. Speed is the current rate of movement of something. Average speed refers to the pace that a vehicle travels at on average throughout a trip.

Meter per second is the S.I. unit of speed. In km/h, speed is also expressed.

Average Speed is calculated as Total Distance x Total Time.

The average speed of a body traveling on a road is 6.5 km/h.

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The total travelled distance is • Speed, time and distance is one of the most common and important topics in the Mathematics or Quant section.

Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is travelling along a path. In other words, velocity is a vector, whereas speed is a scalar value.

For instance, 50 km/hr west denotes the velocity of a car whereas 50 km/hr (31 mph) denotes the speed at which it is moving down a route.

The average speed of an object is determined by dividing the distance traveled by the amount of time it takes the object to reach the distance.

Therefore, The total travelled distance is • Speed, time and distance is one of the most common and important topics in the Mathematics or Quant section.

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The freezing Point of water is a physical property

The ability of oxygen to react with iron to cause rust is chemical property

Explanation:

The process of gas compression is responsible for planet formation within the disk of gas and dust that surrounds a proto-star.

When a new born star is produced it has high gravity that pulls the gases and dust material from its surrounding with greater force.

Due to gravity pull, the residual gases and dust start accumulating in the flat disk of matter revolving around the star.

This process continues until the matter orbiting the star becomes strong enough to compress the gases into dense heavies bodies known as planets.

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Answer: Often lightning occurs between clouds or inside a cloud. But the lightning we usually care about most is the lightning that goes from clouds to ground.

Explanation:  As the storm moves over the ground, the strong negative charge in the cloud attracts positive charges in the ground.

Answer:

\(\huge\boxed{\sf Power = 1274\ W}\)

Explanation:

Total mass = m = 90 kg + 40 kg = 130 kg

Height = h = 20 m

Acceleration due to gravity = g = 9.8 m/s²

Time = t = 55 s

Power = P = ?

\(\displaystyle P=\frac{Work}{Time}\)

Here, the work is done in the form of potential energy.

So,

Work = P.E

As we know,

P.E = mgh

P.E = (130)(9.8)(20)

So,

Power = 25480 / 20

Power = 1274 W

\(\rule[225]{225}{2}\)

The resonant frequencies for an open organ pipe of fixed length L is  f = nv/2L

Resonant frequencies are those frequencies at which an object vibrates with maximum amplitude when it is set into vibration. In the case of an open organ pipe of fixed length L, the resonant frequencies can be determined using the formula f = nv/2L, where f is the frequency, n is the harmonic number, v is the speed of sound and L is the length of the pipe.

For the first harmonic, n=1, the frequency is f1= v/2L. For the second harmonic, n=2, the frequency is f2= 2v/2L = v/L. For the third harmonic, n=3, the frequency is f3= 3v/2L. Thus, the resonant frequencies of an open organ pipe of fixed length L are given by the multiples of the fundamental frequency f1.

In conclusion, the resonant frequencies of an open organ pipe of fixed length L can be determined using the formula f = nv/2L, where n is the harmonic number. The first harmonic is the fundamental frequency, and the resonant frequencies are given by multiples of the fundamental frequency. This is important to consider when designing and playing musical instruments such as organs.

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A) The bearing of R from P is 140 degrees (measured clockwise from the north).

B) R is about 5.15 km north of P.

a) To find the bearing of R from P, we need to first determine the angle between the north-south line (i.e., the line joining P and Q) and the line joining P and R. Let's call this angle x.

Since the bearing of R from Q is 140 degrees, we know that the angle between the line joining Q and R and the north-south line is 180 - 140 = 40 degrees.

Now, in triangle PQR, we have two angles: x and 40 degrees. We can find the third angle by noting that the sum of the angles in any triangle is 180 degrees. Therefore,

x + 40 + 90 = 180

Solving for x, we get x = 50 degrees.

So the bearing of R from P is 90 + 50 = 140 degrees (measured clockwise from the north).

b) To find how far north of P R is, we need to use trigonometry. Let's call the distance we're looking for y.

In triangle PQR, the angle opposite side QR (i.e., angle QPR) is 180 - 90 - 50 = 40 degrees. We also know that QR = 8 km.

Using the sine function, we can write:

sin 40 = y/QR

Rearranging, we get:

y = QR * sin 40 = 8 * sin 40 ≈ 5.15 km (rounded to 2 decimal places)

Therefore, R is about 5.15 km north of P.

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To calculate the height required to give a 1000 kg car a certain potential energy, we can use the formula:

Potential energy = mgh

where m is the mass of the car, g is the acceleration due to gravity (9.8 m/s^2), and h is the height lifted.

(a) For a potential energy of 2.0 x 10^3 J:

2.0 x 10^3 J = (1000 kg)(9.8 m/s^2)h

h = 0.204 m

Therefore, the car would need to be lifted to a height of 0.204 meters to give it a potential energy of 2.0 x 10^3 J.

(b) For a potential energy of 2.00 x 10^5 J:

2.00 x 10^5 J = (1000 kg)(9.8 m/s^2)h

h = 20.4 m

Therefore, the car would need to be lifted to a height of 20.4 meters to give it a potential energy of 2.00 x 10^5 J.

(c) For a potential energy of 1.00 kWh:

1.00 kWh = 1.00 x 10^3 J/s x 3600 s = 3.60 x 10^6 J

3.60 x 10^6 J = (1000 kg)(9.8 m/s^2)h

h = 367.3 m

Therefore, the car would need to be lifted to a height of 367.3 meters to give it a potential energy of 1.00 kWh.

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Answer:

satellite B

Explanation:

A .F= G (mM)/r²

B .F= G (2mM)/r² = 2G (Mm)r²

C .F= G (3mM)/(2r)² = ¾G (mM)/r²

D .F= G (4mM)/(2r)² = G (mM)/r²