The water heater in a home uses 150 V of electrical charge on a 40 A circuit. What is the water heater's electrical power? 0.27 W 3.75 W 6,000 W 60,000 W

Answer:

A solution is always transparent, light passes through with no scattering from solute particles which are molecule in size. ... A colloid is intermediate between a solution and a suspension. While a suspension will separate out a colloid will not. Colloids can be distinguished from solutions using the Tyndall effect.

Explanation:

When a suspension is allowed to stand, the particles separate. A colloid is a substance that exists between a solution and a suspension. A colloid will not separate from a suspension. The Tyndall effect can be used to distinguish colloids from solutions.

In chemistry, a suspension is a heterogeneous mixture of a fluid containing solid particles large enough to settle.

A suspension is a complex blend in which the solute particles do not disintegrate but rather become suspended throughout the bulk of the solvent and float freely in the medium.

A solution is a uniform mixture of one or more dissolved solutes in a solvent.

A solvent is a substance that dissolves a solute to produce a homogeneous mixture. The substance that dissolves in a solvent to form a homogeneous mixture is referred to as a solute.

A colloid is a mixture in which one substance is suspended throughout another, consisting of microscopically dispersed insoluble particles.

Larger particles in a suspension settle out, block or scatter light, and can be filtered out.

A colloid contains particles that are between the sizes of a solution and a colloid; they are not heavy enough to settle or be filtered out, but they still scatter light.

Thus, this way these three are related.

For more details regarding solution, visit:

https://brainly.com/question/7932885

#SPJ2

Explanation:

A practical machine is a simple machine that losses energy and have parts that have weights, friction and it causes some loss of work done.

Planets that are made mostly of gas are known as gas giants. The four outer planets in our solar system, Jupiter, Saturn, Uranus, and Neptune, are all gas giants.

These planets are made primarily of hydrogen and helium, with trace amounts of other elements. Planets that are made mostly of gas are known as gas giants. The four outer planets in our solar system, Jupiter, Saturn, Uranus, and Neptune, are all gas giants.

Gas giants are thought to have formed farther away from the Sun than the terrestrial planets (like Earth), where temperatures were low enough for hydrogen and helium to condense into solid ice. In these colder regions, there was a lot more gas and dust available to form planets, which led to the formation of gas giants.

As gas giants formed, their large masses and strong gravitational forces allowed them to capture even more gas and dust from the surrounding space, which contributed to their growth. The extreme pressures and temperatures in the cores of these planets also cause the hydrogen to undergo a phase transition, turning into metallic hydrogen that behaves like a liquid and contributes to the planet's magnetic field.

It's worth noting that gas giants are not entirely made of gas - they also have solid cores, although the exact size and composition of these cores is not well understood. Some gas giants may also have liquid layers between the gas and the core and may have complex weather patterns on their surfaces due to the interactions of different layers of gas moving at different speeds.

To know more about planets follow

https://brainly.com/question/503999

#SPJ1

The frequency of the wave is approximately 96.78 Hz, and the amplitude of the wave is approximately \(5.8 \times 10^{(-4)\) meters.

Part A: To determine the frequency of the wave, we need to relate the maximum velocity and maximum acceleration of the particle to the properties of a sinusoidal wave.

The maximum velocity of the particle occurs when it is at the equilibrium position (the midpoint of its oscillation). At this point, the velocity is maximum, and the acceleration is zero. The maximum acceleration of the particle occurs when it is at the extreme positions of its oscillation (amplitude). At these points, the velocity is zero, and the acceleration is maximum.

In a sinusoidal wave, the relationship between velocity, acceleration, and frequency is given by the equation:

\($a_{\max} = -\omega^2 A$\)

Where a_max is the maximum acceleration, ω is the angular frequency (2π times the frequency), and A is the amplitude of the wave.

From the given information, we have \($a_{\max} = 270 , \text{m/s}^2$\) and \(v_{max} = 1.10\) m/s. We know that\($v_{\max} = \omega A$\), and since\($v_{\max} = A \omega$\), we can equate the two expressions:

Aω = ωA

From this, we can conclude that ω = 2πf, where f is the frequency of the wave.

Substituting the given values:

1.10 m/s = (2πf)(A)

Now, let's find the value of A. We know that a_max = -ω²A, so:

270 m/s² = -(2πf)²A

Solving for A:

A = -(270 m/s²) / (4π²f²)

Now, substituting this value back into the equation:

1.10 m/s = (2πf)(-(270 m/s²) / (4π²f²))

Simplifying:

1.10 m/s = -(270 m/s²) / (2πf)

Rearranging the equation to solve for f:

f = -(270 m/s²) / (1.10 m/s)(2π) = -96.78 Hz

Since frequency cannot be negative, we take the positive value:

f ≈ 96.78 Hz

Part B: The amplitude of the wave can be determined from the equation relating maximum velocity and angular frequency:

v_max = Aω

Substituting the known values:

1.10 m/s = A(2π)(96.78 Hz)

Simplifying:

A ≈ 1.10 m/s / (2π)(96.78 Hz) ≈ \(5.8 \times 10^{(-4)\) m

Therefore, the amplitude of the wave is approximately \(5.8 \times 10^{(-4)\) meters.

To learn more about frequency

https://brainly.com/question/29739263

#SPJ4

1000 kilometres........

V = √gR is the expression that determines the minimum speed that the car must have at the top of the track if it is to remain in contact with the track.

As the track bends into a vertical circle, the force of gravity acts as the centripetal force on the car. For the car to remain in contact with the track, the normal force must act as the centripetal force. To achieve this, the centripetal force must be greater than or equal to the weight of the car.

Fnet = Fg - Fn where Fnet = centripetal force, Fg = force of gravity, and Fn = normal force.

At the top of the track, the normal force and force of gravity are both acting on the car. Therefore, the centripetal force is given by Fnet = Fn + Fg = Mg. To find the minimum speed required to maintain contact between the car and the track, equate the centripetal force to the weight of the car, and solve for velocity. Mg = mv²/Rv² = gRv = √gRTherefore, the minimum speed required is V = √gR.

Learn more about centripetal force here:

https://brainly.com/question/14021112

#SPJ11

Answer:

 ΔR = 5 s

Explanation:

The absolute uncertainty or error in an expression is

       ΔR = | \(\frac{dR}{dB}\) | ΔB + | \(\frac{dR}{dA}\) | ΔA

the absolute value guarantees to take the unfavorable case, that is, the maximum error.

We look for the derivatives

       \(\frac{dR}{dB}\) = 1

       \(\frac{dR}{dA}\) = -1

we substitute

       ΔR = 1 ΔB + 1 ΔA

of the data

       ΔB = 3 s

       ΔA = 2 s

       ΔR = 3 + 2

       ΔR = 5 s

false

Explanation:

because ,as the number of ph increases it is to basic

Answer

True; Destructive occurs for two interfering waves that are 180 degrees out of phase

Answer:

A heat engine is a device that converts internal energy into work. Internal energy is increased by the addition of heat. The efficiency of a heat engine is a measurement of how efficiently it works. Efficiency compares the amount of useful energy extracted from a process to the total energy input. The heat engine will be more efficient if the percentage is higher.

Explanation:

According to Heisenberg's Uncertainty Principle, it is impossible to determine the position and momentum of a particle with absolute certainty at the same time. The Uncertainty Principle is defined as Δx * Δp ≥ h/4π, where Δx is the uncertainty in position, Δp is the uncertainty in momentum, and h is Planck's constant.
For the given problem, the uncertainty in position of a proton with mass 1.673 x 10-27 kg and kinetic energy 1.2 keV can be calculated as follows:

We know that the momentum p of a particle is given by p = mv, where m is the mass of the particle and v is its velocity.
The kinetic energy of the proton can be converted to momentum using the equation E = p²/2m, where E is the kinetic energy.
1.2 keV = (p²/2m)    (1 eV = 1.6 x 10^-19 J)
p²/2m = 1.92 x 10^-16 J
The momentum p of the proton can be calculated by taking the square root of both sides:
p = √(2mE) = √(2 x 1.673 x 10^-27 x 1.6 x 10^-16) = 7.84 x 10^-22 kg m/s

Using Heisenberg's Uncertainty Principle, we can calculate the uncertainty in position as follows:
Δx * Δp ≥ h/4π
Δx ≥ h/4πΔp
Substituting the values of h, Δp, and solving for Δx:
Δx ≥ (6.626 x 10^-34)/(4π x 7.84 x 10^-22)
Δx ≥ 2.69 x 10^-12 m

Therefore, the uncertainty in position of the proton is 2.69 x 10^-12 m.

To know more about momentum visit:-

https://brainly.com/question/30677308

#SPJ11

The energy kept in the capacitor when the potential difference becomes double is four times the initial kept  energy,

The energy kept in the capacitor when the charge on each plate forms double is four times the initially stored energy.

The final potential difference is V₂=2V₁.

For the potential difference is doubled:

The formula of the energy kept in a capacitor can be defined by                                                                                                                                                U₁=12CV₁₂  

Then, U₁ describe the energy kept in a capacitor,

C define the capacitance and

V₁ is the potential difference.

Also , when the value of potential difference changes then the formula to calculate the energy kept  in the same capacitor is presented  by                                                           U₂=12CV₂₂

Here, U₂ defines  the final energy kept  in the capacitor after the potential change.

Commute  all the known values in the above formula.

                      U₂=12(C)(2V₁)₂=4[12(C)(V₁)₂]=4U₁

The final charge on each plate can be represented as Q₂=2Q₁.The formula of the energy stored in a capacitor can be represented by,    U₁=Q₁22C

Also , U₁ defines  the energy kept  in a capacitor, C describes  the capacitance and Q₁ is the initial charge on the plate.

Likewise , when the value of charge on each plate changes then the formula to calculate the energy kept  in the same capacitor is defined  by,U₂=Q₂22C

Then , U₂ defines  the final energy kept in the capacitor after the charge on each plate changes.

Computing  all the known values in the above formula.

                                     U₂=(2Q₁)22C=4(Q₁22C)=4U₁

Hence , the energy kept  in the capacitor when the potential difference becomes double is four times the initial kept energy, and the energy kept in the capacitor when the charge on each plate becomes double is four times the initially kept  energy..

To learn more about potential difference,

brainly.com/question/24142403

#SPJ4

Answer:

The net force is 100 N to the right.

Explanation:

To solve this problem, we simply add together the forces.  Since we know that there is a greater force to the right, we will designate this as the positive direction and the left as the negative direction.

To find the net force, let's add together the two forces we are given using our new positive/negative designations:

+150 N right - 50 N left

Now, we just perform simple subtraction to get:

100 N right

Therefore, the answer is that the net force is 100 N to the right.

Hope this helps!

Answer:

An aeroplane is flying with the velocity of V_(1)=800kmph relative to the air towards south.A wind with velocity of V_(2)=15ms^(-1) is blowing from west to east.What is the velocity of the aeroplane with respect of the earth.

Answer:

True

Explanation:

true, batted balls that first contact the field between home plate and first or third base are considered fair if they subsequently bounce over or directly contact either base, or otherwise pass either base while in fair territory. that's what the mlb glossary says, at least.

To calculate the entropy change of the two reservoirs, we need to use the formula:

ΔS = Q/T, where ΔS is the entropy change, Q is the amount of heat transferred, and T is the temperature of the reservoir.

First, let's calculate the entropy change of the hot reservoir. We know that Q = 100 kJ, and T = 950 K. Therefore:

ΔS(hot) = Q/T = 100 kJ / 950 K = 0.1053 kJ/K

Next, let's calculate the entropy change of the cold reservoir. We know that Q = -100 kJ (because heat is being removed from the hot reservoir and transferred to the cold reservoir), and T = 600 K. Therefore:

ΔS(cold) = Q/T = -100 kJ / 600 K = -0.1667 kJ/K

Note that the entropy change of the cold reservoir is negative because the heat transfer is from hot to cold, which goes against the natural flow of energy. This means that the cold reservoir becomes more ordered (less entropy) as it receives heat.

So, the detailed answer to the question is that the entropy change of the hot reservoir is 0.1053 kJ/K, and the entropy change of the cold reservoir is -0.1667 kJ/K.

We can use the following steps:

Step 1: Calculate the entropy change for the hot reservoir (ΔS_H)
ΔS_H = -Q/T_H
Since Q = 100 kJ = 100,000 J, and T_H = 950 K, the equation becomes:
ΔS_H = -100,000 J / 950 K

Step 2: Calculate the entropy change for the cold reservoir (ΔS_C)
ΔS_C = Q/T_C
With Q = 100,000 J, and T_C = 600 K, the equation becomes:
ΔS_C = 100,000 J / 600 K

Step 3: Calculate the total entropy change (ΔS_total)
ΔS_total = ΔS_H + ΔS_C

After calculating the entropy changes for both reservoirs, you will find the total entropy change of the two reservoirs.

To know more about entropy visit:

https://brainly.com/question/13135498

#SPJ11

Answer:

if there is only one planet in the universe and the ball is there it will have 0 kinetic energy if the ball is in the very center of that planet only if the planet itself is absolutely motionless. its at its highest if the planet is moving away from the ball at a slightly faster speed forever. Between point A and B both potential energy and kinetic energy are at perfect 0.

Explanation:

never will have a measurable kinetic or potential energy status unless every single object is included in the calculation.

Answer:

 θ = 64.5º

Explanation:

To find the angles of a vector with respect to some axis of a coordinate system, the tangent function is used.

           tan θ = \(\frac{y}{x}\)

where y is the opposite leg and x is the adjacent leg

in this case the angle is

        θ = tan⁻¹   \(\frac{A_y}{A_x}\)

let's calculate

        θ = tan⁻¹ \(\frac{15.9}{ 7.6}\)

        θ = tan⁻¹ 2.09

        θ = 64.5º

this angle is with respect to the positive pâté of the x axis

Answer:

--->The goals of the investigators is to prevent tampering with evidence and reduce exposing workers to additional harm.

--> The investigators are able to find out how fast a car that was involved in an accident was going by measuring the length of skid marks.

Explanation:

Automobile or car accidents are incidents which when it occurs are generally fast, violent and confusing to both the people involved and the eyewitnesses. With the development in technology, investigators (usually known as forensic investigators) use a variety of tools and physical evidence to put together a clear picture of what happened during a car accident. With their discoveries, they would be able to to prevent tampering with evidence and reduce exposing workers to additional harm.

They can know how fast a car that was involved in an accident was going by:

--> Analysing a physical evidence such as measurement of the length of skid marks. When the skid distance (which is the drag factor due to road surface friction) and the braking efficiency are determined, the minimum speed of a car as it started skidding can be estimated. Even the appearance of the skid mark also tells investigators whether a car was braking, accelerating, or sliding.

Answer:

D - Spectroscopic binaries

The toroid is a hollow, circular or doughnut-shaped object that has a coil of wire wound around it. In this case, the toroid has a square cross-section, and is made up of a square solenoid bent into a doughnut shape. The inner radius of the toroid is 19.0 cm, and it has 600 turns and carries a current of 0.350 A.

The magnetic field inside the toroid at the inner radius, we can use the formula B = μ₀nI where B is the magnetic field, μ₀ is the permeability of free space (4π×10⁻⁷ Tam/A), n is the number of turns per unit length (in this case, the number of turns divided by the length of the coil), and I is the current. The length of the coil is the circumference of the inner radius 2πr = 2π(0.19 m) = 1.19 m So, the number of turns per unit length is n = N/l = 600/1.19 = 504.2 turns/m Plugging in the values, we get B = (4π×10⁻⁷ Tam/A) (504.2 turns/m) (0.350 A) = 0.070 T So the magnitude of the magnetic field inside the toroid at the inner radius is 0.070 T. To find the magnetic field inside the toroid at the outer radius, we can use the same formula, but this time the length of the coil is the circumference of the outer radius 2πr = 2π0.19 m + 0.050 m = 1.39 m So, the number of turns per unit length is n = N/l = 600/1.39 = 431.7 turns/m Plugging in the values, we get B = (4π×10⁻⁷ Tam/A)(431.7 turns/m)(0.350 A) = 0.059 T So the magnitude of the magnetic field inside the toroid at the outer radius is 0.059 T.

learn more about toroid here.

https://brainly.com/question/15842779

#SPJ11

Of the following factors, Economic development drives the Total Fertility Rate (TFR) down.

Hence, the correct option is a.

Total Fertility Rate is a measure that represents the average number of children born to a woman over her reproductive lifetime in a given population. Various factors influence the TFR, including social, cultural, and economic factors. However, economic development has been consistently identified as a key factor associated with declining fertility rates.

As countries experience economic development, several changes occur that tend to lower fertility rates. These include:

1. Increased access to education: Economic development often leads to improved educational opportunities, especially for women. When women have access to education, they are more likely to pursue careers and delay or limit childbearing, leading to lower fertility rates.

2. Urbanization and industrialization: Economic development is often accompanied by urbanization and industrialization. As people move from rural to urban areas and engage in industrial and service sectors, there is a shift in lifestyle and economic demands. Urban environments usually offer better access to healthcare, family planning services, and employment opportunities, which can lead to lower fertility rates.

3. Improved healthcare and family planning: Economic development often leads to advancements in healthcare systems, including access to reproductive health services and family planning.

4. Changing social norms and aspirations: Economic development can bring about changes in societal values and aspirations. As individuals and families achieve higher living standards and economic security, there may be a shift in preferences towards smaller family sizes. Economic opportunities and financial considerations play a role in decision-making regarding childbearing, leading to lower fertility rates.

Overall, economic development influences various socio-economic factors that affect fertility rates. As countries progress economically, fertility tends to decline due to factors such as increased education, urbanization, improved healthcare, and changing societal norms and aspirations.

To know more about Total Fertility Rate here

https://brainly.com/question/14565330

#SPJ4

-- The given question is incomplete, the complete question is

"Which of the following factors, __________ drives tfr down?

a. Economic development b. Social Development c. Global growth d. None of the above"--

Answer:

.

The common velocity of the two bodies after the collision is 2.7 m/s.

This can be calculated using the equation of conservation of momentum:

m1v1 + m2v2 = (m1 + m2)v

where m1 is the mass of the first body (12 kg), v1 is the velocity of the first body (4.2 m/s), m2 is the mass of the second body (18 kg), v2 is the velocity of the second body (0 m/s), and v is the common velocity of the two bodies after the collision.

Substituting the given values into the equation, we get:

12(4.2) + 18(0) = (12 + 18)v

Solving for v, we get:

v = 2.7 m/s

Answer:2kwh

Explanation:

FULL SOLUTION BELOW THE PIC.

To know more about energy visit:

https://brainly.com/question/1932868

#SPJ4

An isolated ground receptacle separates the supply grounding conductor from other grounded devices and materials.

An isolаted ground receptаcle hаs а grounding terminаl thаt hаs no contаct with the receptаcle mounting strаp or yoke. When instаlled аgаinst а grounded metаl box, the receptаcle mounting strаp is grounded. The receptаcle’s isolаted ground terminаl is then connected to аn аdditionаl insulаted grounding conductor thаt is instаlled аs а sepаrаte grounding pаth for the reduction of electricаl noise on the sensitive electronic equipment plugged into the receptаcle.

The isolаted ground receptаcle in the pаtient cаre spаce but outside the pаtient cаre vicinity (left) must be supplied by а metаl rаcewаy or cаble system thаt quаlifies аs аn equipment grounding conductor. The box must be grounded by а green insulаted wire type equipment ground аnd the isolаted ground receptаcle terminаl requires а green insulаted equipment grounding conductor with one or more yellow stripes.

For more information about an isolated ground receptacle refer to the link:

https://brainly.com/question/28215225lts

#SPJ4

Answer:

10^4 microphones

Hope it helps

Explanation:

10^-2 phones

= 10^(6-2)

= 10^4 microphones