Identify three traditional building materials. Group of answer choices a. High strength plastics b. Stone c. Reinforced concrete d. Wood e. Green technologies f. Masonry (brick)

Defect Density is a characteristic of process quality. It is defined as the number of defects detected in a software component or system divided by the size of the software component or system. The size of the software component or system can be expressed in various ways, such as lines of code, function points, or number of modules.

Defect Density is a measure of the quality of the software development process. It provides an indication of the quality of the software product and the effectiveness of the testing process.

A high defect density indicates that the software development process is not effective, and there are many defects in the software product.

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Answer:

right !

Explanation:

In the CGS system, the unit of charge is the charging unit (ESU). Also known as "Statistical Pendant" (StatC). In the CGS system, the load unit is the electromagnetic unit (E.M.E.).

The e.s.u. of charge, also known as franklin or statcoulomb, is the charge such that two similar q=1statC charges at a space of 1cm from each other exert an electrostatic force of 1dyn on each other.

The e.m.u. of current, also called the biot or abampere, is the current such that two infinitely-long straight, parallel conductors carrying 1abA of current and separated by 1cm exert a magnetostatic force of 2dyn on each other.

The relations between these units are such that

\(\frac{1 statC}{1 abA * 1s} = \frac{1 statC}{1abC} = \frac{1}{C} = \frac{1 statA}{1abA} = \frac{\frac{1 statC}{s} } {1 abA}\)

where c is the speed of light.

The ESU and EMU systems of electromagnetic units are different and they should generally be considered separate and independent (if relatively similar), and they do not coincide with the gaussian set of electromagnetic units.

For example, since the electrical displacement vector D is defined as \(E + 4\pi P\) in the ESU system and \(\frac{1}{c^{2} } E + 4\pi P\) the EMU system, it is not possible to exchange the formulas of one system for another without using a formula dictionary like the one at Jackson's end. There is not. classical electrodynamics.

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Most modern vehicles, according to technician a, have ABS. According to technician B, ABS reduces wheel lockup (skidding) by monitoring wheel speed with sensors in the wheel. They are both right.

ABS stands for anti-lock brake system, to put it simply. It is conceivable for the brakes' grip to be greater than the tire's contact with the road when braking is applied to a wheel. The wheel "locks up" and stops rotating when this occurs.

As soon as the wheel locks, an ABS system releases the brake pressure. During strong braking, this occurs repeatedly and can be felt as a pulsating sensation on the brake pedal. Even in emergency braking scenarios, the car maintains a high degree of stability by evenly distributing brake pressure over each wheel.

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Answer:

Explanation:

Civil engineers have become experts in creating sustainable and environmentally friendly buildings and systems. Multiplied over many communities, the energy and emissions savings can make a real difference in the environment. Other life-improving functions can also make communities better places to live.Jul 19, 2017

Answer:

ICC

Explanation:

The International Building Code (IBC) is a model building code developed by the International Code Council (ICC). It has been adopted for use as a base code standard by most jurisdictions in the United States.

Answer:

2)

a)  to the right of the dipole    E_total = kq [1 / (r + a)² - 1 / r²]

b)To the left of the dipole      E_total = - k q [1 / r² - 1 / (r + a)²]

c) at a point between the dipole, that is -a <x <a  

      E_total = kq [1 / x² + 1 / (2a-x)²]

d) on the vertical line at the midpoint of the dipole (x = 0)

E_toal = 2 kq 1 / (a ​​+ y)² cos θ

Explanation:

2) they ask us for the electric field in different positions between the dipole and a point of interest. Using the principle of superposition.

This principle states that we can analyze the field created by each charge separately and add its value and this will be the field at that point

Let's analyze each point separately.

The test charge is a positive charge and in the reference frame it is at the midpoint between the two charges.

a) to the right of the dipole

The electric charge creates an outgoing field, to the right, but as it is further away the field is of less intensity

           E₊ = k q / (r + a)²

where 2a is the distance between the charges of the dipole and the field is to the right

the negative charge creates an incoming field of magnitude

           E₋ = -k q / r²

The field is to the left

therefore the total field is the sum of these two fields

           E_total = E₊ + E₋

           E_total = kq [1 / (r + a)² - 1 / r²]

we can see that the field to the right of the dipole is incoming and of magnitude more similar to the field of the negative charge as the distance increases.

b) To the left of the dipole

The result is similar to the previous one by the opposite sign, since the closest charge is the positive one

E₊ is to the left and E₋ is to the right

          E_total = - k q [1 / r² - 1 / (r + a)²]

We see that this field is also directed to the left

c) at a point between the dipole, that is -a <x <a

In this case the E₊ field points to the right and the E₋ field points to the right

                      E₊ = k q 1 / x²

                      E₋ = k q 1 / (2a-x)²

                      E_total = kq [1 / x² + 1 / (2a-x)²]

in this case the field points to the right

d) on the vertical line at the midpoint of the dipole (x = 0)

    In this case the E₊ field points in the direction of the positive charge and the test charge

    in E₋ field the ni is between the test charge and the negative charge,

the resultant of a horizontal field in zirconium on the x axis (where the negative charge is)

                      E₊ = kq 1 / (a ​​+ y) 2

                      E₋ = kp 1 / (a ​​+ y) 2

                      E_total = E₊ₓ + E_{-x}

                      E_toal = 2 kq 1 / (a ​​+ y)² cos θ

e) same as the previous part, but on the negative side

                        E_toal = 2 kq 1 / (a ​​+ y)² cos θ

When analyzing the previous answer there is no point where the field is zero

The different configurations are outlined in the attached

3) We are asked to repeat part 2 changing the negative charge for a positive one, so in this case the two charges are positive

a) to the right

in this case the two field goes to the right

           E_total = kq [1 / (r + a)² + 1 / r²]

b) to the left

            E_total = - kq [1 / (r + a)² + 1 / r²]

c) between the two charges

E₊ goes to the right

E₋ goes to the left

            E_total = kq [1 / x² - 1 / (2a-x)²]

d) between vertical line at x = 0

E₊ salient between test charge and positive charge

           E_total = 2 kq 1 / (a ​​+ y)² sin θ

In this configuration at the point between the two charges the field is zero

The model that the student made is a motor. So, the answer is option A.

The following are the key elements that the student has used to make a model of a motor:

The pole pieces are placed on the edges of the strong, permanent magnets.

The Armature is a loop of wire that the student is rotating.

Finally, the slip rings are used to transfer electrical power from the armature to the external source.

With the flow of current in the loop, a magnetic field is established that interacts with the poles of the magnet, causing the armature to spin. The model is similar to a motor as it uses the basic principle of a motor - electromagnetic induction to convert electrical energy into mechanical energy.

Therefore, the student has made a model of a motor..

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A 2.0-liter Direct Injection GasolineTM (DIG) DOHC 16-valve 4-cylinder engine with an excellent 29 City/39 Highway MPG and 149 horsepower is standard on the 2019 Nissan Sentra.

The 2022 Nissan Sentra's 0-60 mph time is 9.2 seconds, while the model from the previous year's year clocks in at 8.3 seconds. No matter which model you select from the three very powerful trims available for the 2021 iteration, high-speed capabilities are guaranteed. At every stage of the creation of the Nissan GT-R, Nissan defied tradition. The Nissan GT-ideal-sized, R's twin-turbocharged 3.8-liter V6 engine generates a staggering 565 horsepower and an equally astounding 467 lb-ft of torque instead of a big, heavy, fuel-hungry engine.

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The force that keeps you from sliding on an icy sidewalk is static friction. Thus the correct option is D.

The friction that occurs when people attempt to move a stationary object across a surface without actually moving their bodies or the surface they are trying to move the object across is known as static friction.

Static friction prevents an object from slipping by keeping it at rest, therefore when you're walking on a sidewalk, this force is what prevents you from slipping on an icy sidewalk while walking.

The goal is to apply visual analytic techniques to calculate the static and kinetic friction coefficients between two surfaces and evaluate the movement between them.

Therefore, option D static friction is appropriate.

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Answer:  Take two cups. ...

Tie a string to one hole on a cup, then thread it through the hole on one end of a stick.

Tie the end of the string to the other hole in that cup.

Now, take the second cup. ...

Hold the stick on its side, with the cups hanging down. ...

Put weights in the cups to balance.

Explanation:

Answer:

none

Explanation:

because it doesnt turn kinetic energy into electricity a

Kinetic energy turbines, also called free-flow turbines, generate electricity from the kinetic energy present in flowing water rather than the potential energy from the head. The systems can operate in rivers, man-made channels, tidal waters, or ocean currents. Because kinetic systems utilize a water stream's natural pathway, they do not require diversion of water through man-made channels, riverbeds, or pipes, although they might have applications in such conduits. Kinetic systems do not require large civil works because they can use existing structures, such as bridges, tailraces, and channels. so it doesnt

You get a result immediately from Euler's formula:

e ^(i π/2) = cos(π/2) + i sin(π/2) = 0 + i * 1 = i

Answer:

Freon Refrigerant

Explanation:

As of January 1, 2020 Freon Refrigerant can no longer be manufactured or imported to the United States. This is because R-22 (the principal component in Freon) has been banned in the states. Along with other greenhouse gasses, due to their contribution to damaging Earth’s ozone layer and global warming.

hope this helps:)

Answer:

Freon Refrigerant Is Now Banned in the US

As of January 1, 2020, a once very popular air conditioning refrigerant can no longer be made in or imported into the United States.

Please give me brainliest -  you get 25% as well! I swear!

Option C, which states that the common to run terminals show the lowest resistance, is the correct answer to the question.

The correct answer to the question above is option C; The common to run terminals show the lowest resistance. Below is an explanation of the other options and why they are incorrect:Option A: The pair of terminals with the highest resistance will indicate that the other terminal is the start. This statement is incorrect. The highest resistance will be observed between the start and the run terminals of the single-phase motor. Option B: The common to start terminals show the lowest resistance. This statement is also incorrect. It's only the start and run terminals that show the lowest resistance, not the common to start terminals. Option D: The start to run terminals show the lowest resistance. Although this statement is true, it doesn't correctly answer the question because it doesn't mention the other terminals.

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we have shown that the material derivative of the jacobian of the deformation gradient tensor can be determined by d/dt(j(y,t)) through indicial notation.

In order to show that the material derivative of the jacobian of the deformation gradient tensor can be determined by d/dt(j(y,t)) through indicial notation, let us start by first defining some of the notations used in this problem. Definitions:    Jacobian of a deformation gradient tensor: The Jacobian of a deformation gradient tensor is defined as the determinant of the deformation gradient tensor. It is denoted by J(y,t).Material Derivative: The material derivative of a given quantity, represented by f(y,t), is defined as:df(y,t)/dt = (∂f/∂t) + (v·∇)fwhere v is the velocity of the fluid (or in this case, the material)Gradient: The gradient of a given scalar function, represented by f(y,t), is defined as the vector of its partial derivatives with respect to its independent variables. It is denoted by ∇f.Indicial Notation: Indicial Notation is a notational method that is used to represent and manipulate vectors, tensors, and other geometrical objects in a concise and unambiguous manner. It is based on the Einstein summation convention, which states that any repeated index in a term of a tensor expression should be summed over all possible values of that index.Indicial Notation is used in this problem to represent the partial derivatives of the deformation gradient tensor with respect to its independent variables, which are the spatial coordinates of the material point being considered.Now, let us apply these definitions and notations to the problem at hand.To begin with, we have the following given information:Jacobian of the deformation gradient tensor = J(y,t)Material Derivative of the Jacobian of the deformation gradient tensor = d/dt(J(y,t))Our task is to show that the material derivative of the Jacobian of the deformation gradient tensor can be determined by d/dt(j(y,t)) through indicial notation.To do this, we will start by expressing the material derivative of J(y,t) using its definition, as follows:df(y,t)/dt = (∂f/∂t) + (v·∇)fwhere f(y,t) = J(y,t)Therefore,df(y,t)/dt = (∂J(y,t)/∂t) + (v·∇)J(y,t)Now, let us use the indicial notation to express the partial derivatives of the deformation gradient tensor with respect to its independent variables. For convenience, we will denote the deformation gradient tensor by F and its partial derivatives by Fi,j, where i and j represent the spatial coordinates of the material point being considered.Thus, we can write the following expression for J(y,t):J(y,t) = det(F) = F1,1F2,2F3,3 - F1,1F2,3F3,2 - F1,2F2,1F3,3 + F1,2F2,3F3,1 + F1,3F2,1F3,2 - F1,3F2,2F3,1Using this expression, we can now use the chain rule of differentiation to find the partial derivatives of J(y,t) with respect to its independent variables. Specifically, we have:∂J(y,t)/∂t = ∂det(F)/∂t = det(F)·tr(F^-1(dF/dt))where tr denotes the trace of a matrix, and F^-1 denotes the inverse of the deformation gradient tensor.Using the indicial notation, we can write this expression as:∂J(y,t)/∂t = J(y,t)·Fi,i^-1·Fi,j·dFj,i/dtwhere we have used the summation convention to sum over the repeated index i.Now, let us look at the second term in the material derivative of J(y,t), which involves the gradient of J(y,t) with respect to its independent variables. Using the expression we derived earlier for J(y,t), we can write:∇J(y,t) = (partial(J)/partial(x1), partial(J)/partial(x2), partial(J)/partial(x3))where x1, x2, and x3 denote the spatial coordinates of the material point being considered.Using the indicial notation, we can write this expression as:∇J(y,t) = (partial(J)/partial(xi))where i = 1,2,3Therefore, the gradient of J(y,t) with respect to its independent variables can be expressed as:∇J(y,t) = J(y,t)·Fi,i^-1·Fi,j·(partial(Fj,k)/partial(xi))Using the chain rule of differentiation, we can express this as:∇J(y,t) = J(y,t)·Fi,i^-1·Fi,j·(dFj,k/dxk)·(dxk/dxi)where we have used the summation convention to sum over the repeated index k.Now, substituting these expressions back into the material derivative of J(y,t), we get:d/dt(J(y,t)) = (∂J(y,t)/∂t) + (v·∇)J(y,t)= J(y,t)·Fi,i^-1·Fi,j·dFj,i/dt + J(y,t)·Fi,i^-1·Fi,j·(dFj,k/dxk)·(dxk/dxi)·vwhich is the desired result.

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Answer:

wind,water and solar energy

Explanation:

this is what we have in the moder society but in the oldon days they had coal for fires but now we have solar energy for our heating.

and if you use solar energy you save money by putting solar energy on your roof and its a sufficient way.

Answer:

Please explain it in English so that i can help you or you need someone who can speak Vietnam help you

Explanation:

whats

the question choices

Answer:

Option B

Explanation:

An evaporator along with  cold low pressure refrigerant absorbs heat from the air within the passenger compartment thereby supplying cool air for the occupants.

Hence, option B is correct

Answer:

Email etiquette is important

Explanation:

It is important to understand how to use correct email etiquette because it helps you communicate more clearly. It also makes you seem a bit more professional too. For example depending in who you're emailing like say you're emailing your teacher for help then here's how it'd go:

Dear(teacher name, capitalize, never use first name unless they allow it)

Hello (teacher name), my name is (first and last name) from your (number class) and I was wondering if you could please help me out with (situation, be clear on what you need help with otherwise it won't get through to them)? If you could that would be greatly appreciated!

Sincerely,

(your name first and last)

The camshaft position sensor in a GM fast start system is used to detect the position of the camshaft in relation to the crankshaft.

This information is critical for the engine control module (ECM) to accurately calculate the ignition timing and fuel injection timing.

The sensor sends a signal to the ECM which determines the exact position of the camshaft and sends a corresponding signal to the ignition system to ignite the spark plugs at the appropriate time.

The camshaft position sensor is also used to monitor the engine's RPM and synchronize the fuel injection system. Without this sensor, the engine would not start or run properly, and the vehicle's performance and fuel efficiency would be negatively affected.

Overall, the camshaft position sensor plays a vital role in ensuring the proper functioning of the GM fast start system.

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a) Heat transfer for the process is - 66.6 kW and b) Therefore, the volume flow rate of the helium at the pipe exit is 18.1 m³/sec.

Mass flow rate (m) = 8 kg/s

Initial temperature of the gas (T₁) = 427 °C = 427+273 = 700 K

Final temperature of the gas (T₂) = 27 °C = 27+273 = 300 K

Initial pressure (P₁) = 100 kPa

Final pressure (P₂) = 100 kPa

(a) Determination of the heat transfer for the process

Q = mCpΔT

Where,

Cp is the specific heat capacity of helium= 5/2R = 5/2 × 8.31 J/mol K= 20.775 J/mol K = 20.775 kJ/kg K

ΔT = T₂ - T₁ = 300 - 700 = - 400 K

Negative sign indicates that the heat is lost by the gas during the process.= - 8 × 20.775 × 400= - 66.6 kW

Heat transfer for the process is - 66.6 kW.

(b) Determination of the volume flow rate of the helium at the pipe exit in m³/sec

The mass flow rate is given as,

m = ρVWhere,

ρ is the density of the helium gas

V is the volume flow rate of the helium at the pipe exit.

So, the volume flow rate of the helium at the pipe exit can be determined as

V = m/ρWe know that PV = nRT

Where,n = number of moles of the gas

R = gas constant

T = temperature of the gas

P = pressure of the gas

V = volume of the gasm/M = n …(1)Where,m = mass of the gas

M = molecular mass of the gas

We can write the density of the gas asρ = m/V = (m/M) (M/V) = (m/M) (P/RT) …(2)

On combining (1) and (2), we have

ρ = Pm/RTMM = molecular weight of helium gas = 4 g/mol = 0.004 kg/mol= P/m × RT= 100 × 10³/ (8 × 0.004) × (8.31) × (700)ρ = 0.442 kg/m³

Volume flow rate of the helium at the pipe exit, V = m/ρ= 8/0.442= 18.1 m³/sec

Therefore, the volume flow rate of the helium at the pipe exit is 18.1 m³/sec.
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Answer: Why is even here then.

Explanation:

Answer:

they were updated rather than being created

Answer:

Invention is about creating something new, while innovation introduces the concept of “use” of an idea or method.

In an AC circuit, a purely inductive load is one in which the load current and voltage differ by exactly 90° phase. The average real power in a single-phase AC circuit with a purely inductive load is zero because, with a purely inductive load, no net power is either consumed or delivered.

Instead, the energy alternates between the magnetic field and the load in a purely inductive load.For an inductive load, the power is zero in a single-phase AC circuit. When compared to the voltage wave, the current wave in an inductive circuit lags behind it.

The power in this instance alternates between the inductor and the electric field. Since the power alternates back and forth between these two forms of energy, the overall average power is zero.

The inductor requires reactive power, which does not do any useful work but is essential for the circuit's operation.A purely inductive circuit, unlike a purely resistive circuit, has no real power flowing through it. It merely stores and releases electrical energy. In an AC circuit with a purely inductive load, the current and voltage waves are out of phase by 90°, causing the average power to be zero.

Since no useful work is done, the reactive power consumed is required to maintain the magnetic field in the inductor. Thus, the average real power in a single-phase AC circuit with a purely inductive load, X, for sinusoidal-steady-state excitation is zero.

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Answer:

a)

normal circular pitch = 7.8539 mm

transverse circular pitch = 9.0689 mm

axial circular pitches = 15.7077

b)

transverse diametral pitch is 0.3464 teeth/mm

transverse pressure angle is 22.8°

c)

Addendum = 2.5 mm

dedendum = 3.125 mm

pinion diameter = 54.8482 mm and Gear diameter = 164.5448 mm

Explanation:

Given that;

module m = 2.5 mm

Number of teeth on Gear  nG = 57 TEETH

Number of teeth on Pinion  nP = 19 TEETH

Helix angle W = 30°

Normal Pressure angle β = 20°

finding the circular pitch

Pc = πm

we substitute

Pc = π * 2.5 mm = 7.8539 mm

now the diametral pitch p = π / Pc

= π / 7.8539

= 0.4 teeth/mm

a)

So the normal circular pitch

Pn = π / P

Pn = π / 0.4

Pn = 7.8539 mm

the transverse circular pitch

Pt = Pn / cosW

Pt = 7.8539 / cos30°

Pt = 9.0689 mm

for axial circular pitches

Px = Pt / tanW

Px = 9.0689 / tan30°

Px = 15.7077

b)

The transverse diametral pitch and the transverse pressure angle.

The transverse diametral pitch Pt = PcosW

= 0.4 * cos30°

= 0.3464 teeth/mm

transverse diametral pitch is 0.3464 teeth/mm

transverse pressure angle  β1 = tan^-1 ( tan βn / cos W)

=  tan^-1 ( tan20° / cos 30°)

= tan^-1 ( 0.42027 )

β1 = 22.8°

transverse pressure angle is 22.8°

c)

The addendum, dedendum, and pitch diameter of each gear

Now from table standard Tooth proportions for Helical Gears;

Addendum a = 1/p

= 1 / 0.4

= 2.5 mm

dedendum b = 1.25 / p

= 1.25 / 0.4

= 3.125 mm

now  pinion diameter dP = Np / PcosW

= 19 / 0.4 (cos30°)

= 54.8482 mm

Gear diameter dG = nG / pcosW

= 57 / 0.4 (cos30°)

= 164.5448 mm