Water flows through a 2.9-cm-diameter hose 2.7 m/s. How long, in minutes, will it take to fill a 600 L child's wading pool?

(a) Average kinetic energy of hydrogen atoms on the 5500ºC surface of the Sun is: 1.57 × 10^−21 J.

(b) Average kinetic energy of helium atoms in a region of the solar corona where the temperature is 6.00×10^5 K is: 1.05 × 10^−19 J.

Explanation to the above given short answers are written below,

(a) To calculate the average kinetic energy of hydrogen atoms, we can use the formula,
KE = (3/2) kT,
where k is the Boltzmann constant and
T is the temperature in Kelvin. First,

we convert the temperature of the Sun's surface from Celsius to Kelvin by adding 273.15.
So the temperature is 5773 K.

Plugging in the values, we get
KE = (3/2) × 1.38 × 10^-23 J/K × 5773 K = 1.57 × 10^−21 J.

(b) The formula KE = (3/2) kT can also be used to calculate the average kinetic energy of helium atoms.
We convert the temperature in Kelvin to match the units of the Boltzmann constant.
So, T = 6.00×10^5 K = 6.00×10^8 K.

Plugging in the values, we get KE = (3/2) × 1.38 × 10^-23 J/K × 6.00×10^8 K = 1.05 × 10^−19 J.

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To determine the stress at points A, B, and D on the beam, we first need to calculate the moment of inertia (I) and the perpendicular distance (y) for each point from the neutral axis. Then, we can use the formula for bending stress:

Stress = M*y/I

where M = 77.79 Nm (moment applied).

For point A:
1. Calculate I and y.
2. Plug values into the formula to find stress.

For point B:
1. Calculate I and y.
2. Plug values into the formula to find stress.

For point D:
1. Calculate I and y.
2. Plug values into the formula to find stress.

Note that you will need to provide the dimensions and the angle mentioned in the question to perform these calculations accurately. Once you have the required values, you can follow the steps outlined above to determine the stress at points A, B, and D.

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The potential energy is utilized during work done against frictional force.

Energy cannot be created or destroyed, according to the law of conservation of energy. However, it is capable of change from one form to another. An isolated system's total energy is constant regardless of the types of energy present.

When a driver applies the brakes to keep a car going down hill at constant speed and constant kinetic energy, the potential energy of the car decreases. The potential energy is utilized during work done against frictional force and total energy remains constant.

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Answer:

a. Hooke's law is a principle in physics that states that the force required to extend or compress a spring or elastic material is directly proportional to the displacement of its end or deformation.

b. The formula for resistance of a wire is given by:

R = (ρL)/A

where R is resistance, ρ is resistivity, L is length, and A is cross-sectional area.

Given L = 10m, A = 0.1 mm² = 0.1 x 10^-6 m², and ρ = 50 µcm = 50 x 10^-8 Ωm, we have:

R = (50 x 10^-8 x 10) / (0.1 x 10^-6)

R = 5 Ω

Therefore, the resistance of the wire is 5 Ω.

The formula for Young's modulus is given by:

Y = F L / A ΔL

where Y is Young's modulus, F is force, L is length, A is cross-sectional area, and ΔL is the change in length.

Given F = 2 kgf = 2 x 9.81 N, L = 2 m, d = 0.64 mm = 0.64 x 10^-3 m, and ΔL = 0.60 mm = 0.60 x 10^-3 m, we have:

A = πd²/4 = π(0.64 x 10^-3)²/4 = 3.21 x 10^-7 m²

Y = (2 x 9.81 x 2) / (3.21 x 10^-7 x 0.60 x 10^-3)

Y ≈ 1.24 x 10^11 N/m²

Therefore, the Young's modulus of the wire is approximately 1.24 x 10^11 N/m².

Explanation:

Yes, an oscillating latch will eventually settle to either 0 or 1 due to different gate and wire delays.

In digital circuits, latches are used to store and hold a value until it is updated. However, when there are variations in the gate and wire delays, it can lead to imbalances in the circuit, causing an oscillation in the latch.

Gate delays refer to the time it takes for a logic gate to process an input and produce an output. Wire delays, on the other hand, are caused by the time it takes for a signal to propagate through a wire or interconnect between different components in the circuit.

When there are differences in these delays, it can lead to situations where the feedback loop in the latch is unstable. As the latch tries to settle at a particular value, the delays can cause imbalances in the circuit, leading to oscillations between the two possible states (0 and 1).

Over time, due to various factors such as noise, power supply variations, and thermal effects, these oscillations will dampen, and the latch will eventually settle to either a stable 0 or 1 state. The settling time will depend on the specific characteristics of the circuit and the delays involved.

To ensure proper operation and avoid oscillations, it is important to design circuits with balanced delays and consider timing constraints to minimize the effects of gate and wire delays.

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The complete question is:

Is an oscillating latch will eventually settle to 0 or 1 due to different gate and wire delays .

Answer:

8000 J

Explanation:

There is a Quizlet made by a teacher with this answer.

Answer:

On Edg 2021, the answer was "B = The moon's orbital period and distance from Earth"

Explanation:

I hope this is correct for you, if it isn't I am very sorry. Good luck! :)

Newton's principles of motion and the universal law of gravitation can be used to derive Kepler's third law. Make the centripetal force equal to the force of gravity. The following expression, which may also be written as P2=42a3GM, can be obtained by inserting an expression for the planet's velocity: GMr=4r2P2. Thus, option B is correct.

Newton demonstrated that the force that causes something to fall toward the ground, like an apple, is the same force that causes the moon to orbit the Earth. The Sun, as well as any other star and its satellites, are affected by this universal force.

Newtonian physics and Kepler's laws serve as the foundation for planetary motion and orbital laws. Because these fundamental rules govern everything in the cosmos, they also govern how planets and artificial satellites move.

Therefore, If two things experience the same acceleration when the same force is applied to them, then they have the same inertial mass. Newton's second law makes use of the same mass.

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The average emf induced in the coil is 0. 533 V. The average emf induced in the coil can be calculated using Faraday's law of electromagnetic induction. The formula for the average emf induced in a coil is given by:

E = N * (ΔΦ / Δt)

where E is the average emf, N is the number of turns in the coil, ΔΦ is the change in magnetic flux, and Δt is the time interval.

In this case, the number of turns is 80, and the time interval is 0.0600 s. The change in magnetic flux can be calculated by finding the initial and final flux values.

The initial flux is given by Φ1 = B * A * cos(θ1), where B is the magnetic field, A is the area of the coil, and θ1 is the angle between the coil and the magnetic field.

The final flux is given by Φ2 = B * A * cos(θ2), where θ2 is 90 degrees since the coil is perpendicular to the field.

Substituting the values into the formula, we have:

\(E = 80 * (Φ2 - Φ1) / Δt\)

Calculating the values, we find:

\(Φ1 = (1.10 T) * (0.25 m) * (0.40 m) * cos(37.0°) = 0.536 WbΦ2 = (1.10 T) * (0.25 m) * (0.40 m) * cos(90°) = 0.110 WbΔΦ = Φ2 - Φ1 = 0.110 Wb - 0.536 Wb = -0.426 Wb\)

Substituting the values into the formula, we get:

E = 80 * (-0.426 Wb) / 0.0600 s = -0.568 V

Taking the absolute value, the average emf induced in the coil is 0.568 V or approximately 0.533 V.

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As the alternating current through a conductor increases, an expanding and collapsing electromagnetic field through the conductor produces a voltage within the conductor. this is known as electromagnetic induction.

As the alternating current through a conductor increases, an expanding and collapsing electromagnetic field through the conductor produces a voltage within the conductor. This process is known as electromagnetic induction, which is a fundamental principle in physics and electrical engineering. It describes the generation of an electric current in a conductor when it is exposed to a changing magnetic field. This phenomenon is the basis for various applications, including generators, transformers, and induction coils. Electromagnetic induction plays a crucial role in the functioning of many electrical devices and is a fundamental concept in the study of electromagnetism.

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Answer:

dyow

Explanation:

sorrrey

Answer:

Sun's Gravitational Pull

Explanation:

Planets revolve around the sun because of the Sun's gravitational pull pulling all the planets to revolve around it.

Considering air resistance, the object to hit the ground first will be the iron ball.

This is because the iron ball has a greater mass and density compared to the wooden ball, allowing it to overcome air resistance more effectively and fall at a faster rate.The iron ball and the wooden ball will experience air resistance as they fall from the tower. The iron ball, being denser than the wooden ball, will experience less air resistance and therefore accelerate faster towards the ground. Therefore, the iron ball will hit the ground first.

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Answer:

the motion of the sled decrease

Explanation:

the mass increase

The acceleration of the sled will is inversely proportional to the mass on it. Therefore, the motion of the sled would slow if Joslyn's friend Lisa also wanted to ride.

Acceleration in mechanics can be described as the rate of change of velocity of an object with respect to time. The acceleration of an object is a vector quantities with magnitude and direction.

The S.I. unit for acceleration can be represented as m/s² the net balance of all external forces acting is equal to the magnitude of the net resulting force.

The force (F) acting on an object is equal to the product of the mass (m) of the object and acceleration (a) of an object.

F = ma

And, a = F/m

As shown in the above equation, the mass of the object is inversely proportional to the acceleration of the object, therefore, the acceleration of the sled decrease as the mass on it increases.

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Answer:

\(a=\dfrac{v-u}{t}\)

Explanation:

The acceleration of an object is the rate of change of velocity. The mathematical expression for the acceleration of an object is given by :

\(a=\dfrac{v-u}{t}\)

Where

v and u are final and initial velocities

t is time

or we can write acceleration as :

\(a=\dfrac{\Delta v}{\Delta t}\)

Hence, this is the required solution.

The average speed of bunny's entire trip is 0.52 m/s and her average velocity is 0 m/s.

The average speed of an object is the ratio of total distance travelled to the total time of motion of the object.

V(speed) = total distance / total time of motion

V(speed) = (6 m + 6 m) / (11 s + 12 s)

V(speed) = (12 m) / (23 s)

V(speed) = 0.52 m/s

The average velocity of an object is the ratio of total displacement to total time of motion of the object.

V(velocity) = total displacement / total time of motion

V(velocity) = (6 m - 6m) / (11 s + 12 s)

V(velocity) = (0 m) / (23 s)

V(velocity) = 0 m/s

Thus, the average speed of bunny's entire trip is 0.52 m/s and her average velocity is 0 m/s.

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The phenomenon in hearing that is analogous to spatial frequency channels in vision is critical bands. Hence, the correct option is A: Critical bands.

Critical bands are regions of the audible frequency range in which a complex sound is divided into individual, discrete frequency bands by the human auditory system.

For instance, when different frequencies in a complex sound, such as a musical instrument or a human voice, are picked up by the ear, they are sent to the brain via various channels that respond to specific frequencies.

These channels are referred to as critical bands. The frequency range of these bands varies depending on the loudness of the sound.

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Answer: The rods both have the same charge therefore they repel each other.  The force of repulsion creates a downward force on the balance pan and therefore the balance registers a higher reading.

Answer: Heat always moves from hot to cold. The spoon will increase in thermal energy, and the soup will decrease in thermal energy.

Explanation: cause grass

Answer: Thermal energy will be transfer from the soup to the spoon :)

Explanation: The soup will heat the spoon, and the soup will decrease in thermal energy.

The correct answer is(b). There is a physical change from the solid state to a gas state where energy between the molecules increases.

During sublimation, carbon dioxide transitions directly from the solid state (dry ice) to the gas state without passing through the liquid phase. In this process, individual molecules of carbon dioxide gain energy from the surroundings, leading to an increase in their kinetic energy and molecular movement.

As a result, the carbon dioxide molecules separate from each other and form a gas. This phase change is considered a physical change rather than a chemical change since the chemical composition of carbon dioxide remains the same throughout the process.

Therefore, the sublimation of carbon dioxide results in a physical change where the molecules transition from the solid state to the gas state, gaining energy and increasing their molecular movement.

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A structural deficit is a budgetary deficit that results from a fundamental mismatch between a government's expenses and its revenues in the long term. A structural deficit is distinguished from the cyclical deficit, which arises from fluctuations in economic growth.

The structural deficit acts as an automatic stabilizer and increases during recessions. The automatic stabilizer refers to any action or mechanism that assists to reduce the swings in an economy without any intervention from policymakers. One instance of an automatic stabilizer is unemployment compensation. This is because, in an economic downturn, unemployment compensation is increased automatically, which, in turn, improves consumer spending. Structural deficits occur when government spending exceeds revenue collections, which is frequently the result of increased spending or decreased income. In certain cases, the structural deficit is the consequence of a tax system that does not generate sufficient revenue to cover government expenditures. A structural deficit remains the same at full employment and is not the same as a cyclical deficit.

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Answer:

2. Ahead of the package

Explanation:

The plane is going straight without stopping while the package is going straight down.

Answer:

Explanation:

The answer is Temperature difference

Answer:

C

Explanation:

is the answer ,..........................

The presence of so many commercial banks in the US is most likely the result of a highly competitive market and a decentralized regulatory system. This has led to the proliferation of smaller, community banks as well as large, multinational banking corporations.

Commercial banks are the primary financial institutions that handle deposits and loans for both individuals and businesses. They are also responsible for creating money through the process of fractional reserve banking, where banks can lend out more money than they have on reserve. In the United States, the banking industry is highly regulated by both federal and state governments, which have different rules and standards for different types of banks.

The competitive nature of the US economy, combined with the decentralization of banking regulation, has led to the emergence of a large number of commercial banks. This includes both national banks, which are chartered by the federal government, and state-chartered banks, which are regulated by state authorities. Many smaller banks are also locally-owned and operated, allowing them to better serve the specific needs of their customers.

Overall, the presence of so many commercial banks in the US is the result of a complex interplay between market forces, government regulations, and local economic conditions. It is a reflection of the diverse needs of individuals and businesses, as well as the diverse ways in which those needs can be met by different types of financial institutions.

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Yes, it is possible for both the pressure and volume of a monatomic ideal gas to change without causing the internal energy of the gas to change. This occurs when the gas undergoes an adiabatic process, meaning there is no heat transfer between the gas and its surroundings.

In an adiabatic process, the change in internal energy (ΔU) is solely dependent on the work done on or by the gas (W). According to the first law of thermodynamics, ΔU = Q + W, where Q is the heat transfer. Since Q = 0 in an adiabatic process, ΔU = W.

For the internal energy of the gas to remain constant (ΔU = 0), the work done on or by the gas must also be zero. This can be achieved through a specific path in the pressure-volume (PV) diagram, where the gas expands and does work on its surroundings, followed by compression, with the surroundings doing an equal amount of work on the gas. The net work done over this process will be zero, ensuring the internal energy remains unchanged.

In summary, it is possible for both the pressure and volume of a monatomic ideal gas to change without affecting its internal energy by undergoing an adiabatic process with zero net work done.

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Answer:

in 90 seconds It'll travel 450m At constant speed of 5m/s

Answer:

d = 450 m

Explanation:

                                   d

use the formula   v = ----

                                   t

v = 5 m/s

t = 90 seconds

                d

5 m/s = -------------

             90 sec

d = 5 m/s ( 90 sec)

d = 450 m

Roscoe Corporation owns 18,000 shares of treasury stock.

To find the number of shares of treasury stock that Roscoe Corporation owns, we need to subtract the number of outstanding shares from the number of issued shares.

Number of shares of treasury stock = Number of issued shares - Number of outstanding shares

Number of shares of treasury stock = 82000 - 64000 = 18000

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The squirrel's terminal velocity can be estimated using the given information and the drag equation. However, the velocity of a person hitting the ground without considering drag contribution cannot be accurately determined without the distance.

To estimate the squirrel's terminal velocity, we need to calculate the drag force acting on the squirrel as it falls. The drag force can be determined using the equation:

Drag force = 0.5ₓ drag coefficient ₓdensity of airₓvelocity^2 ₓ cross-sectional area

First, let's calculate the cross-sectional area of the squirrel. The width is given as 11.6 cm and the length as 23.2 cm. Therefore, the cross-sectional area (A) can be found by multiplying the width and length:

A = 11.6 cm ₓ 23.2 cm = 269.12 cm^2

Next, let's convert the mass of the squirrel to kilograms:

Mass = 575 g = 0.575 kg

Now, let's calculate the density of air. At room temperature and pressure, the density of air is approximately 1.225 kg/m^3. To convert this to cm^3, we divide by 1000:

Density of air = 1.225 kg/m^3 = 0.001225 kg/cm^3

We can assume that the squirrel falls at its terminal velocity, where the drag force is equal to the gravitational force acting on it:

Drag force = gravitational force

So, we can equate the drag force equation to the weight of the squirrel:

0.5 ₓ drag coefficientₓdensity of air ₓvelocity^2 ₓ A = mass ₓ gravity

Since we are estimating the terminal velocity, we can assume that the acceleration due to gravity is -9.8 m/s^2 (negative because it is in the opposite direction of motion):

0.5ₓ drag coefficient ₓ density of air ₓ velocity^2 ₓA = mass ₓ (-9.8 m/s^2)

Now, let's solve for the velocity. Rearranging the equation:

velocity = sqrt((2ₓmass ₓ gravity) / (drag coefficientₓ density of airₓA))

Substituting the given values:

velocity = sqrt((2ₓ 0.575 kg ₓ 9.8 m/s^2) / (drag coefficientₓ 0.001225 kg/cm^3 ₓ 269.12 cm^2))

Please note that we are not given the specific drag coefficient for a horizontal skydiver. However, we can assume a typical value of 0.7 for this calculation.

velocity = sqrt((11.2654 m^2/s^2) / (0.7ₓ 0.001225 kg/cm^3 ₓ269.12 cm^2))

After performing the calculations, the velocity of the squirrel can be estimated.

To calculate the velocity of a 58.0-kg person hitting the ground, assuming no drag contribution in such a short distance, we can use the equation:

velocity = sqrt(2 ₓgravityₓdistance)

Since the distance is not provided in the question, we cannot calculate the velocity accurately.

In conclusion, the squirrel's terminal velocity can be estimated using the given information and the drag equation. However, the velocity of a person hitting the ground without considering drag contribution cannot be accurately determined without the distance.

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The flow of thermal energy from the hot water to the colder hand and the surrounding air is evident when you hold a 65oc cup of water, and your hand is 37oc, and the outside air is 6oc.

Thermal energy is transferred from an object with a higher temperature to one with a lower temperature through three different mechanisms: conduction, convection, and radiation.Conduction is the transfer of heat through materials in contact with one another. The cup of hot water conducts heat to your hand when you hold it. In this scenario, thermal energy flows from the hot water to the hand through the cup. The thermal energy is conducted from the hot water to the cup and then from the cup to your hand.Convection is the transfer of heat through a liquid or gas caused by the movement of matter. The heat from the hot water also causes the air above it to expand and become less dense, and the cooler air surrounding it flows downward to take its place. The movement of air, or convection, enables the transfer of heat from the hot water to the surrounding air.Radiation is the transfer of energy through electromagnetic waves. The heat from the hot water is radiated out into the air and absorbed by the surrounding air molecules, allowing the transfer of heat from the hot water to the colder air. Radiation does not require the movement of matter, unlike conduction and convection. The energy transfer from the hot water to the colder hand and air around it follows the basic laws of thermodynamics. Energy is never created or destroyed; rather, it is transferred from one object to another.Heat is transferred from hot water to cooler air and your hand when you hold a 65oc cup of water, and your hand is 37oc, and the outside air is 6oc. Thermal energy can be transferred in three ways: conduction, convection, and radiation. Thermal energy moves from the hot water to your hand and the surrounding air by conduction. Convection is the movement of air caused by the heat energy that passes from the hot water to the surrounding air. Radiation is when heat energy is transferred through electromagnetic waves, such as the heat energy radiating from the hot water to your hand and the surrounding air.

The thermal energy in the cup of hot water flows to your hand and the surrounding air by conduction, convection, and radiation. The thermal energy flows from an object with a higher temperature to one with a lower temperature. Conduction occurs when the thermal energy is transferred through the contact of materials. Convection is when the thermal energy moves through the movement of air or fluid. Radiation is the transfer of energy through electromagnetic waves.

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Answer:

1st one

identity of the H₂O

When water (H2O) freezes into ice, some of the properties have changed but the identity of the H2O is the same. Explanation; Water can exist in liquid, solid; ice and gaseous state; steam. Freezing occurs when water is continuously cool until it turns to solid ice, water freezes at zero degree Celsius

Hope This Helps

Answer:

A. identity of h20

Explanation: