Members of the Federal Reserve Board of Governors are appointed for one 14-year term so that they: Group of answer choices Have time to learn how the Fed operates. Are more likely to make politically acceptable decisions. Have enough time to travel to all 12 regional banks. Make their decisions based on economic, rather than political, considerations.

Answer:

moon lo

Explanation:

It is the most volcanically active world in the solar system.

Answer:

The system's Mean Time to Failure is 1,041.\(\bar 6\) hours

Explanation:

The number of independent identical motors = 4

The failure rate of each motor, λ = 0.002 failures per hour

Given that in order for the system to work, at least one of the motors must operate, therefore, the system are in parallel

The Mean Time to Failure for a parallel system of four identical components is given as follows;

\(MTTF = \dfrac{1 }{\lambda} \times \left (1 + \dfrac{1}{2} + \dfrac{1}{3} + \dfrac{1}{4} \right)\)

Which gives;

\(MTTF = \dfrac{1 }{0.002} \times \left (1 + \dfrac{1}{2} + \dfrac{1}{3} + \dfrac{1}{4} \right) = 1,041.\bar 6\)

The system's Mean Time to Failure = 1,041.\(\bar 6\) hours.

Answer:

pretty sure it's true....

Answer:

tension

Explanation:

correct on edge

The force of impact at 20 mph is two times that at 10 mph speeds.

An object can change its size or shape, begin moving, stop moving, accelerate, or decelerate as a result of a force acting on it. When two things contact, they exert pressures on one another that are identical in size but directed in the opposite direction.

The combined effect of all the forces acting on an object is known as the "resultant force," and it is the same as if only one force were to be operating on the object in that direction. To alter an object's velocity, the resulting force is necessary.

The force required for increasing speed 20 mph of an object of mass m at an interval of time t be = m×20/t.

The force required for increasing speed 10mph of an object of mass m at an interval of time t be = m×10/t.

Hence, the force of impact at 20 mph is two times that at 10 mph speeds.

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In order to find the horizontal and vertical components of the given vector, we can use the formulas below:

So, if the magnitude of the resultant vector is 145 m/s and the angle is 55°, we have:

Answer:

El resorte se comprime 0.38 m.

Explanation:

La distancia de compresión del resorte se puede calcular por conservación de la energía:

\( \Sigma E_{i} = \Sigma E_{f} \)

\( E_{p} = E_{e} \)

\( mgh = \frac{1}{2}kx^{2} \)   (1)

En donde:

\(E_{i}\) y \(E_{f}\): son las energías inciales y finales

\( E_{p}\): es la energía potencial gravitacional

\(E_{e}\): es la energía potencial elástica

m: es la masa = 1.50 kg

g: es la gravedad = 9.81 m/s²

h: es la altura

k: es la constante de fuerza = 320 N/m    

x: es la distancia de compresión

Dado que el objeto está 1.20 m sobre el resorte, entonces h es:

\( h = 1.20 + x \)  (2)

Entonces, introduciendo la ecuación (2) en (1) y resolviendo para x tenemos:

\( \frac{1}{2}kx^{2} - xmg - 1.20mg = 0 \)  

\( 160x^{2} - 14.72x - 17.66 = 0 \)  

Resolviendo la ecuación cuadrática anterior tenemos:

x₁ = -0.29 y x₂ = 0.38

Tomando el valor positivo entonces, el resorte se comprime 0.38 metros.

Espero que te sea de utilidad!  

Answer:

C

Explanation:

this is because newton's second law states that if a resultant force acts on an object, then it will accelerate in the direction of the resultant force

so if there is a non zero resultant force, it means that there is a resultant force, so for every resultant force, there is acceleration

since the equation states it

F = ma

hope this helps

please mark

The pattern observed indicates that electrons struck the screen in alternating bands across the screen.

Further Information

As a result of wave-particle duality, electrons in motion will act as waves. These waves will interfere to create a pattern on the screen. A pattern of alternating dark and light bands that indicates the presence of electrons in some locations and their absence in others is displayed. They are comparable to the interference band produced by Young's double-slit experiment.

Other than that, when light passes through two slits, additional zones of darkness are created. Interference between the light passing through the slits produces the dark and light zones. As the light from one slit reaches the screen, it combines with the light from the other slit.

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Answer:

zero

Explanation:

Because if the object is not in motion then it only posseses potential energy not kinetic energy

Answer:

Terminal Aerodrome Forecast (TAF)

Answer: Claudia had more power. She did more work than Tom, and she did it in less time.

Explanation:that’s why the answer was !

Answer: Claudia had more power. She did more work than Tom when tom went to go get his ice pack.

HOPE THIS HELPS :D

PLEASE GIVE BRAINLYIST!!!

answer is down hera

Answer:

Electromagnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field. In other words, EM waves are composed of oscillating magnetic and electric fields.

Explanation:

To stay in a circular orbit at a specific distance, the satellite must have a speed that is three times the square root of that distance. Therefore, the correct answer is option B.

The speed of a satellite in a circular orbit around a planet can be determined by equating the centripetal force required to keep the satellite in orbit with the gravitational force of the planet on the satellite.

The centripetal force is given by \(F = mv^2/r\), where m is the mass of the satellite, v is its speed, and r is the distance from the center of the planet.

The gravitational force is given by \(F = G(Mm)/r^2\), where G is the gravitational constant, M is the mass of the planet, and m is the mass of the satellite. Equating these two forces and solving for v gives \(v = \sqrt{(GM/r)}\)

Substituting the given values for g = 9 m/s² and r, we get \(v = \sqrt{(gr)}\), which simplifies to \(v = \sqrt{(9r)} = 3\sqrt{r}\).

Therefore, the correct answer is v = 3r. This means that the speed of the satellite must be three times the square root of the distance from the center of the planet to remain in a circular orbit at that distance.

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Answer:

A fraction of the wave will be reflected at the junction and the remainder will be transmitted through the junction into the thin rope

Explanation:

When the junction of the thin and the thick rope is reached by the wave, the wave behaves in the following two ways;

1) A fraction of the incident wave from the thick rope to the junction/boundary of the thin rope will be reflected back to in the direction of the thick rope with a lower amplitude and upright

2) A fraction of the incident wave from the thick rope to the junction/boundary of the thin rope will be transmitted through the thin rope such that the transmitted pulse on the thin rope will have an higher amplitude than that of the thick rope due to the available energy in the wave pulse and the lesser weight of the thin rope.

Answer:

vega the first one

pb

p

Explanation:

The magnet will be a useful tool to pick the paper clips because the magnet can attract the paper clips.

The like poles of magnets repel while unlike poles of magnets attracts. Magnets attracts irons or metallic materials.

The paper clips are mettalic or made of iron and hence the magnet will attract them.

There we can conclude that the magnet will be a useful tool to pick the paper clips because the magnet can attract the paper clips and will help to gather them together for easy picking.

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Answer:

7 N

Explanation:

Work = Force * distance

35J = Force * 5 meters               Divide by 5

35/5 = Force

7 Newtons = Force

In a lab, while performing the experiment, one question that I will ask will be - How potential energy can be converted into thermal energy? The answer for tat will be by seeing and understanding the sample response in the experiment.

Potential energy is released from them when they are divided. A particle's potential energy increases with distance. As they gain speed, their kinetic energy increases. The thermal energy of an object is the sum of the kinetic and potential energies of all the particles.

Energy from heat transfer as potential and kinetic energy

This occurs as a result of the attractive forces they generate for one another. Additionally, the particles are forced apart by a rise in body temperature. As a result, as their potential energy rises, so do the forces of attraction between them.

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The boat will land about 185 meters downstream on the other side of the river.

Distance = velocity × time

d = v_r × t

where v_r is the velocity of the river and t is the time it takes for the boat to cross the river.

Use the fact that the distance the boat travels in the x-direction is equal to the width of the river,

x = 54.0 b

The time it takes for the boat to cross the river is,

t = x / v_b

where v_b is the velocity of the boat relative to the water.

To find v_b, use the Pythagorean theorem:

v_b^2 = v_w^2 + v_c^2

where v_w is the velocity of the boat with respect to the ground and v_c is the velocity of the current.

v_b^2 = (4.50 a)^2 + (3.50)^2

v_b = 5.71 a

Substituting the values for x, v_b, and v_r into the equation for d,

d = (3.50 m/s) * (54.0 b) / (5.71 a)

d ≈ 185 b/a meters

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The temperature inside a house can be influenced by various factors such as the geographic location, orientation of the house, insulation, and the type of construction materials used.

For instance, if a house is located in a hot and humid climate, it may become hot inside due to the external heat and humidity, even with air conditioning.

On the other hand, a house located in a cold climate may become cold inside, especially during the winter season, due to heat loss from the interior to the cold outside environment.

Proper insulation and efficient heating/cooling systems can help regulate the temperature inside a house and improve its energy efficiency.

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Satellites are not typically used for cell phone and global positioning signals.

A satellite is an artificial object that is intentionally placed into orbit around a planet, moon or other celestial body. Satellites are typically designed to perform a specific task, such as communication, weather monitoring, scientific research, or navigation.

Satellites are used for global positioning signals (c) and, in some cases, for cell phone signals (a). They are not typically used for AM (b) or FM (d) radio signals, which are generally transmitted via ground-based radio towers.

However, there are some satellite radio services that provide digital radio programming to subscribers, which use satellite communication to deliver their signals.

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When a bar magnet is oriented perpendicular to a uniform magnetic field, two important phenomena occur: the force and the torque on the magnet.

Force: The magnetic field exerts a force on the magnet due to the interaction between the magnetic field and the magnetic dipole moment of the magnet. In this case, the force will be perpendicular to both the magnetic field and the magnet. The force will tend to align the magnet with the magnetic field. If the magnet is free to move, it will experience a translational force that may cause it to move in the direction of the force.

Torque: The magnetic field also exerts a torque on the magnet, trying to rotate it. The torque is greatest when the magnet is perpendicular to the magnetic field lines. The torque will try to align the magnet with the magnetic field. If the magnet is free to rotate, it will experience a rotational force that may cause it to align itself with the magnetic field.

The exact magnitude and direction of the force and torque will depend on the strength of the magnetic field, the orientation of the magnet, and the magnetic properties of the magnet.

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Answer:8.3m/s

Explanation:

from F=ma, f=25*4=100N. since the force is 100, 100=12a. acceleration= 8.3m/s

The airline will need to have at least 167 passengers on each flight to break even.

To calculate the number of passengers needed to break even, we need to consider the total costs and the revenue generated per flight.

The total cost per flight consists of the fixed costs (£25,000) and the variable costs (£75 per passenger). The revenue per flight is determined by the ticket price (£225) multiplied by the number of passengers.

Let's denote the number of passengers as 'P'. The total cost per flight is given by:

Total Cost = Fixed Costs + (Variable Cost per Passenger * Number of Passengers)

Total Cost = £25,000 + (£75 * P)

The revenue per flight is given by:

Revenue = Ticket Price * Number of Passengers

Revenue = £225 * P

To break even, the total cost should equal the revenue:

£25,000 + (£75 * P) = £225 * P

Now, we can solve this equation for P to find the number of passengers needed to break even:

£25,000 + (£75 * P) = £225 * P

£25,000 = £225 * P - £75 * P

£25,000 = £150 * P

P = £25,000 / £150

P ≈ 166.67

Since the number of passengers must be a whole number, we round up to the nearest whole number:

P = 167

The airline will need at least 167 passengers on each flight to break even. However, since the maximum capacity of the aircraft is 200 passengers, the airline will need to fill the aircraft to its maximum capacity to break even on each flight.

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To choose the correct box plot, verify each of the options and make sure all the values in the plot match the values provided.

In a box plot, this value is represented by a vertical line located in the middle of the graph.

The maximum is the value located on the farthest right, while the minimum is located on the farthest left.

Divide the graph into 4 and analyze how much each quartile represents.

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Answer:

To choose the correct box plot, verify each of the options and make sure all the values in the plot match the values provided.

Explanation:

Period being a time, is measured in the units of time. The SI unit of time is seconds. Hence usually the period is measured in the nit of seconds.

The International System of Units (SI) is the modern form of the metric system, which is the most widely used system of measurement in the world. It is a standardized system of measurement that is based on seven fundamental units, each of which is defined in terms of a fundamental constant of nature. The seven fundamental SI units are the meter (length), kilogram (mass), second (time), ampere (electric current), kelvin (temperature), mole (amount of substance), and candela (luminous intensity).  

These units are used as building blocks to derive other units of measurement. In addition to the seven fundamental units, the SI system also includes several derived units, such as the newton (force), watt (power), and volt (electric potential), which are derived from combinations of the fundamental units.

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48 m/s in terms of km/h is 720.8 km/h. In terms of m/min is 2880 m/min, in terms of km/s is 0.048 km/s and in terms of km/min is 2.88 km/min.

To solve this question, we need to understand some terms. The unit of velocity is measured in m/s. It can be expressed in different units of velocity.

1 km (kilometer) = 1000 meter

1 h (hour) = 3600 seconds

1 minutes = 60 seconds

To convert m/s into km/h,

48 m/s * 3600/1000 =  172.8 km/h

To convert m/s into m/min,

48 m/s * 60 = 2880 m/min

To convert m/s into km/s,

48 m/s ÷ 1000 = 0.048 km/s

To convert m/s into km/minutes,

48 m/s * 60 / 1000 = 2.88 km/min

Therefore, the 48 m/s expressed is 172.8 km/h, 2880 m/min, 0.048 km/s and 2.88 km/min.

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48 m/s is equivalent to  172.8 km/h, 2880 m/min, 0.048 km/s, and 2.88 km/minute.

To express 48 m/s in different units of velocity:

km/h (kilometers per hour):

To convert m/s to km/h, we can use the conversion factor of 3.6 since 1 m/s is equal to 3.6 km/h.

48 m/s * (3.6 km/h / 1 m/s) = 172.8 km/h

Therefore, 48 m/s is equivalent to 172.8 km/h.

m/min (meters per minute):

To convert m/s to m/min, we can use the conversion factor of 60 since there are 60 seconds in a minute.

48 m/s * (60 m/min / 1 s) = 2880 m/min

Therefore, 48 m/s is equivalent to 2880 m/min.

km/s (kilometers per second):

Since 1 kilometer is equal to 1000 meters, to convert m/s to km/s, we divide the value by 1000.

48 m/s / 1000 = 0.048 km/s

Therefore, 48 m/s is equivalent to 0.048 km/s.

km/minute (kilometers per minute):

To convert m/s to km/minute, we first need to convert m/s to km/s (as calculated in the previous step) and then multiply by 60 to convert seconds to minutes.

0.048 km/s * 60 = 2.88 km/minute

So, 48 m/s is equivalent to 2.88 km/minute.

Hence, 48 m/s is equivalent to approximately 172.8 km/h, 2880 m/min, 0.048 km/s, and 2.88 km/minute.

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The wavelength of the wave is 20π/0.30 meters, which simplifies to approximately 209.44 meters.

The period of the wave is 2π/0.90 seconds, which simplifies to approximately 6.98 seconds.

The wave speed is given by the ratio of the wavelength to the period, which is approximately 29.97 meters per second.

To find the instantaneous velocity of a particle at position 0 at time 22 seconds, we differentiate the displacement equation with respect to time and evaluate it at the given time and position.

The derivative of y(x,t) with respect to t is 0.25(0.90)sin(0.30x - 0.90t + π/3). Plugging in x = 0 and t = 22, we find the instantaneous velocity to be approximately 0.177 m/s in the positive direction.

The given wave equation is y(x,t) = 0.25cos(0.30x - 0.90t + π/3), where x represents the position and t represents the time. The coefficient of x, 0.30, corresponds to the angular wave number (k) of the wave.

The coefficient of t, -0.90, corresponds to the angular frequency (ω) of the wave. By comparing the equation with the general form y(x,t) = Acos(kx - ωt + φ), we can identify the values for k and ω.

The wavelength (λ) of a wave is given by λ = 2π/k. In this case, k = 0.30, so the wavelength is 2π/0.30, which simplifies to approximately 209.44 meters.

The period (T) of a wave is given by T = 2π/ω. In this case, ω = -0.90, so the period is 2π/(-0.90), which simplifies to approximately 6.98 seconds.

The wave speed (v) is the ratio of the wavelength to the period, v = λ/T. Substituting the values, we get v = (2π/0.30) / (2π/(-0.90)), which simplifies to approximately 29.97 meters per second.

To find the instantaneous velocity of a particle at position 0 at time 22 seconds, we differentiate the displacement equation with respect to time.

The derivative of cos(0.30x - 0.90t + π/3) with respect to t is -0.90sin(0.30x - 0.90t + π/3).

Plugging in x = 0 and t = 22, we find the instantaneous velocity to be approximately 0.177 m/s in the positive direction.

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