After which action would the concentration of a solution remain constant
adding water to the solution
adding solute to the solution
evaporating water from the container
removing solution from the container

Answer:

2×10⁻⁷ Ωm

Explanation:

From the question,

R = 4ρL/πd².................... Equation 1

Where R = Resistance of the wire, ρ = resistivity of the wire, L = length of the wire, d = diameter of the wire.

Therefore,

ρ = Rπd²/4L............. Equation 2

Given: R = 1 ohm, ρ = 1×10⁻⁷Ωm

1×10⁻⁷ = πd²/4L.................... Equation 3

If the length and the diameter are doubled, and the resistance remaining constant

ρ' = π(2d)²/4(2L)

Where ρ'  = new resistivity

ρ' = 4πd²/8L

ρ' = 2πd²/4L = 2ρ

ρ' = 2(1×10⁻⁷)

ρ' = 2×10⁻⁷ Ωm

The producer of refrigerator compressors needs to determine the number of kanbans required for implementing a just-in-time production line to meet the demand for 150 compressors per day from a neighboring appliance manufacturer.

To calculate the number of kanbans required, we need to consider the production lead time, safety stock factor, and optimal production quantity. The production lead time is 5 days, which means that it takes 5 days to produce a batch of compressors once the production process starts.

The safety stock factor is 17%, indicating that the producer wants to maintain an additional 17% of the daily demand as safety stock to mitigate any unforeseen fluctuations. The optimal production quantity is 95 units, which is the batch size that minimizes setup costs.

To determine the number of kanbans, we first need to calculate the total demand during the production lead time. Since the demand is 150 compressors per day and the lead time is 5 days, the total demand during the lead time is 150 compressors/day * 5 days = 750 compressors. Adding the safety stock, the total demand becomes 750 compressors + (17% * 150 compressors) = 750 compressors + 25.5 compressors = 775.5 compressors.

Next, we divide the total demand by the optimal production quantity to get the number of kanbans required. The number of kanbans is calculated as 775.5 compressors / 95 compressors per kanban = 8.16 kanbans. Since we cannot have a fraction of a kanban, we round up to the nearest whole number. Therefore, the producer of compressors requires 9 kanbans to meet the demand of 150 compressors per day from the neighboring appliance manufacturer.

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The complete question is:

A producer of refrigerator compressors wants to implement a just-in-time production line to support demand from a neighboring appliance manufacturer. Demand from the appliance manufacturer is for 150 compressors a day. The production lead time is 5 days and the producer wants to have a 17% safety stock factor. This producer has also cut setup costs such that the optimal production quantity is 95 units. How many kanbans does this producer of compressors require?

Answer: Velocity of the particle is 11m/s.

What is velocity ?

-- Velocity is the directional speed of an object in motion as an indication of its rate of change in position as observed from a particular frame of reference and as measured by a particular standard of time

-- Velocity is vector quantity.

-- Standard unit for the measurement is Metre/Second .

In this question we have given.

Initial velocity = 3m/s

Acceleration = 2m/s^2

We ned to find the velocity after 4 sec.

In this module we use

which is V = U + at

here :; V= 3 + 4× 2

V = 3 + 8.

V = 11 m/s .

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Answer:

25

Explanation:

hinli ako sure yan jok mali

The current in the primary winding is 4.4 A.

What is primary winding?

A primary winding is the winding of a transformer  that is connected to and recive energy from an external source of electron.

The primary winding is the coil that draws power from the source.

Sol- As per the given question -

Current Is=0.22A

Primary winding Vp=120v

Voltage of winding Vs=2400v

Current of primary winding Ip?

Np/Ns=Vp/Vs=Is/Ip

Vp/Vs= Is/Ip

120/2400 =0.22/Ip

Ip= 20×0.22

Ip= 2.2×2

Ip=4.4 A

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Answer:

b

Explanation:

there are 2 nitrogen and 1 oxygen, you can tell by the little number after the letter. if there is no number, then it's just one atom

Answer:

B.

Explanation:

I got it right on my test.

Explanation:

The state of equilibrium refers to a condition in which an object or system is balanced, with no net external forces or torques acting upon it. In other words, the object or system remains at rest or continues its motion in a straight line at a constant velocity. There are two types of equilibrium: static equilibrium and dynamic equilibrium.

1. Static Equilibrium:

Static equilibrium occurs when an object is at rest and all the forces acting on it are balanced. This means that the net force and net torque on the object are both zero. An example of static equilibrium is a book sitting on a flat table. The weight of the book is balanced by the normal force exerted by the table, and there is no motion.

2. Dynamic Equilibrium:

Dynamic equilibrium occurs when an object is in motion with a constant velocity, and the net force and net torque on the object are zero. In this case, the object experiences balanced forces that result in uniform motion. An example of dynamic equilibrium is a car traveling at a constant speed on a straight road. The driving force applied by the engine is balanced by the resistive forces such as air resistance and friction, allowing the car to maintain a constant velocity.

It's important to note that equilibrium does not necessarily mean that all forces are zero, but rather that the sum of forces and torques acting on the object add up to zero. Equilibrium is a state of balance where there is no change in motion or rotation.

In summary, the state of equilibrium refers to a balanced condition in which the forces and torques acting on an object or system are balanced, resulting in either static or dynamic equilibrium. Examples of equilibrium include a book resting on a table in static equilibrium and a car traveling at a constant speed in dynamic equilibrium.

Answer:

dynamic equilibrium and static equilibrium are the 2 types of equilibrium

Answer:

Sometimes you can see light from the Sun passing through clouds and the sunbeams appear as straight lines. After light has been reflected off an object, such as a tree or a book, it still travels in straight lines, but in a new direction.

Explanation:

From the calculations, we can be able to obtain the net torque that is acting on the ball as 2.23 Nm.

We must have to recall that the term torque must have to refers to the kind of force that is able to cause a rotation. Thus the torque is a rotating force. It has to do with a force that acts on an object that has an axis of rotation.

We have to first find out the torque that is on each of the cases before e can now use the result to find the net torque. We must state at this point that the net torque can be found vectorially.

Downward torque = Force * distance

= 11 N * 0.07 m = 0.77 Nm

Upward torque = 15 N * 0.14 m

= 2.1 Nm

Net torque = √(0.77)^2 + (2.1)^2

= 2.23 Nm

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Explanation:

Q = energy applied

m = mass

C = specific heat

ΔT = delta T = change in temperature

China's opportunity cost of wheat in terms of computers is 6.5 computers.

To determine China's opportunity cost of wheat in terms of computers, we need to compare the production possibilities of the two goods in both countries.

Opportunity cost represents the amount of one good that must be given up to produce an additional unit of another good.

It is calculated by dividing the quantity of the sacrificed good by the quantity gained in the production of the other good.

Given the maximum output per day for computers and wheat in both countries:

US: Computer = 1,450, Wheat = 1,400

China: Computer = 800, Wheat = 1,500

To find China's opportunity cost of wheat in terms of computers, we need to calculate the trade-off between the two goods.

China's opportunity cost of wheat = (Quantity of sacrificed computers) / (Quantity gained in wheat production)

The quantity of sacrificed computers is the difference in computer production between the two countries:

Quantity of sacrificed computers = US computer production - China computer production

= 1,450 - 800

= 650

The quantity gained in wheat production is the difference in wheat production between the two countries:

Quantity gained in wheat production = China wheat production - US wheat production

= 1,500 - 1,400

= 100

China's opportunity cost of wheat = (Quantity of sacrificed computers) / (Quantity gained in wheat production)

= 650 / 100

= 6.5

Therefore, China's opportunity cost of wheat in terms of computers is 6.5 computers.

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Answer:

Around 330 m/s

The speed of sound in air is 343 meters per second

The general solution of the differential equation y ′′ − 8 y ′ + 16 y = 2 e 4 x is:

y(x) = (c1 + c2 x) e^4x + (1/8) e^4x

The characteristic equation for the homogeneous part is r^2 - 8r + 16 = 0, which has a repeated root of r=4. Thus, the homogeneous solution is y_h(x) = (c1 + c2 x) e^4x.

To find the particular solution, we can use the method of undetermined coefficients and assume a particular solution of the form y_p(x) = A e^4x. Substituting this into the original differential equation yields A = 1/8.

Therefore, the general solution is y(x) = y_h(x) + y_p(x) = (c1 + c2 x) e^4x + (1/8) e^4x.

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Answer:

true

Explanation:

Answer:

Autopsy is for sure tha answer

Therefore, the frequency of the wave is 10 Hz when it has wavelength of 10 meters.

Wavelength (λ) = 10 nm

Speed of the wave = 340 m/s

To find:

The frequency of the wave

Formula used:

N=v/λ

where

n is the frequency

v is the speed

λ is the wavelength

Step-by-step explanation:

n=340/10

n=10Hz

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Answer:

t = 2.40 s

Explanation:

It just told me

1). Wrap more turns of the wire around the nail.

2). Increase the electrical current through the wire. (Do this by inserting another battery in the circuit, in series with the first one.)

True. This is due to the law of conservation of momentum and conservation of mass. The total mass and momentum of the system before the split is equal to the total mass and momentum after the split.

Therefore, if one atom has a mass of 82 u and is traveling at 500 m/s, the other atom must have a mass of 96 u - 82 u = 14 u and be traveling at a velocity of (96 u * 1000 m/s - 82 u * 500 m/s) / 14 u = 1500 m/s.
True. According to the law of conservation of momentum, the total momentum before the split must equal the total momentum after the split. Let's examine this situation:

Initial momentum = mass x velocity = (96 u) x (1000 m/s) = 96000 u*m/s

After the split, one atom has a mass of 82 u and a velocity of 500 m/s:

Momentum of first atom = mass x velocity = (82 u) x (500 m/s) = 41000 u*m/s

To conserve momentum, the second atom must have the remaining momentum:

Momentum of second atom = 96000 u*m/s - 41000 u*m/s = 55000 u*m/s

Since the momentum is conserved, the statement is true.

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Answer:

One of the harder ideas to grasp in fusion is that nuclei, which, because of their electric charge, strongly repel at long range

(compared to the size of a nucleus), can strongly attract at short range. This activity allows students to explore a similar situation in

which

the magnetic interaction provides the repulsion (similar to the electric interaction within

the nucleus) and Velcro provides an attractive force at short range (similar to the nuclear

strong interaction).

Explanation:

Brainliest Answer pls

Answer:

D. circumpolar

Explanation:

A circumpolar star is a star, as viewed from a given latitude on Earth, that never sets below the horizon due to its apparent proximity to one of the celestial poles.

-Wikipedia

The capacitive resistance in a 120 nf capacitor used in a standard 120 volt ac circuit with a frequency of 60hz is 26.53 ohms.

Capacitive resistance is a type of impedance that opposes the flow of alternating current in a circuit.

It is calculated using the formula Xc = 1 / (2πfC), where Xc is the capacitive reactance, f is the frequency of the alternating current, and C is the capacitance of the capacitor.
In this case, the capacitance is 120 nf, the frequency is 60hz, and using the formula, we get Xc = 1 / (2π x 60 x 120 x 10^-9) = 26.53 ohms.

Hence, the capacitive resistance in a 120 nf capacitor used in a standard 120 volt ac circuit with a frequency of 60hz is 26.53 ohms, which is calculated using the formula Xc = 1 / (2πfC).

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Answer:

D) They most likely died from not wearing a seatbelt.

Explanation:

Their death was caused by a "motor vehicle" (that's what MV stands for in this case). The most logical answer would be D.

Answer:

A) they are most likely are drivers themselves

Explanation:

taking the test on USAtestprep right now & the other answer on this post was wrong lol

Answer:

(i) The particle has a period of 0.3 seconds.

(ii) The angular velocity of the particle is a20.944 radians per second.

(iii) The linear velocity of the particle is 1.047 meters per second.

(iv) The linear acceleration of the particle is 21.933 meters per square second.

Explanation:

Statement is incomplete and have mistakes, complete and correct form is presented below:

A particle makes 800 revolutions in 4 minutes of a circle with a radius of 5 centimeters. Find (i) its period, (ii) its angular velocity, (iii) its linear velocity and (iv) its acceleration.

(i) The period of the particle (\(T\)), in seconds, is the time taken to make a complete revolution:

\(T = \frac{4\,min \times \frac{60\,s}{1\,min} }{800\,rev}\)

\(T = 0.3\,s\)

The particle has a period of 0.3 seconds.

(ii) The angular velocity (\(\omega\)), in radians per second, is determined by the following formula:

\(\omega = \frac{2\pi}{T}\) (1)

\(\omega = \frac{2\pi}{0.3\,s}\)

\(\omega \approx 20.944\,\frac{rad}{s}\)

The angular velocity of the particle is a20.944 radians per second.

(iii) The linear velocity (\(v\)), in meters per second, is calculated by the following formula:

\(v = R\cdot \omega\) (2)

Where \(R\) is the radius of the circle, in meters.

If we know that \(R = 0.05\,m\) and \(\omega \approx 20.944\,\frac{rad}{s}\), then the linear velocity of the particle is:

\(v = (0.05\,m)\cdot \left(20.944\,\frac{rad}{s} \right)\)

\(v = 1.047\,\frac{m}{s}\)

The linear velocity of the particle is 1.047 meters per second.

(iv) Since angular velocity is constant, linear acceleration of the particle (\(a\)), in meters per square second, is entirely radial. Acceleration can be found by means of this expression:

\(a = \omega^{2}\cdot R\) (3)

If we know that \(R = 0.05\,m\) and \(\omega \approx 20.944\,\frac{rad}{s}\), then the linear acceleration of the particle is:

\(a = \left(20.944\,\frac{rad}{s} \right)^{2}\cdot (0.05\,m)\)

\(a = 21.933\,\frac{m}{s^{2}}\)

The linear acceleration of the particle is 21.933 meters per square second.

Answer:

Find the ideas below.

Explanation:

1. Important values are those standards that people live by and which inspires them to act. Some of them include respect, honesty, integrity, and responsibility.

2. Important skills are those learned behaviors that help people to be more productive. There are hard and soft skills. Examples include; communication, teamwork, time management, information technology skills, etc.

3. To set and reach goals, a person must be focused, disciplined, ready to learn from others, and willing to never give up.

4. People learn in different ways and at their own pace.

5. There are four learning styles and these include; auditory, visual, kinesthetic, and reading/writing learners.

Although all people are different and have different abilities, we all have dreams to fulfill, that is why we should not make fun of people who little by little and with much effort have been overcoming obstacles in life in order to fulfill the goals they have.

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Answer:

atoms and molecules

Explanation:

as opposed to being continuous or just including particles). On the following page, the idea is stated as one of four concepts in Dalton's theory: “All matter is composed of tiny, indivisible particles called atoms”

Answer: atoms

Matter is made of atoms, the basic building blocks. Atoms are made of protons, neutrons and electrons. The answer is atoms.

Hope it helps!