consider a mach 3 flow at 3 atm pressure initially moving over a flat horizontal surface. the flow then encounters a 20 degree expansion corner, followed by a 20 degree compression corner that turns the flow back to the horizontal. calculate the pressure of the flow downstream of the compression corner. (round the final answer to three decimal places.)

A project team may choose to prepare a low-fidelity version of a website design using sticky notes for several reasons:

Sticky notes allow for quick and easy changes. Since they are easy to move around and modify, the team can iterate on the design quickly, making adjustments and improvements without investing significant time or resources. This promotes an iterative design process, enabling the team to refine and enhance the design rapidly.Collaboration and Communication: Sticky notes facilitate collaboration and communication among team members. They can be easily placed on a whiteboard or a wall, allowing everyone to visualize and discuss the design together. Team members can share their ideas, suggestions, and feedback by directly manipulating the sticky notes, fostering effective communication and collaboration within the team.Low Cost and Accessibility: Sticky notes are affordable and readily available, making them a cost-effective option for creating prototypes. Compared to digital design tools or high-fidelity prototypes, sticky notes are inexpensive and accessible to all team members, regardless of their technical expertise. This inclusivity encourages participation from different stakeholders and promotes a diverse range of perspectives during the design process.Focus on Conceptual Design: Low-fidelity designs with sticky notes primarily focus on the conceptual aspects of the website, such as layout, content organization, and user flow. By avoiding intricate details or visual aesthetics, the team can concentrate on the fundamental structure and functionality of the design. This allows for early validation and testing of design concepts before investing significant time and resources in higher-fidelity prototypes.Emphasis on User Experience: Sticky notes enable the team to simulate user interactions and test the usability of the design. By physically moving and rearranging the sticky notes, the team can simulate user flows and assess the user experience. This hands-on approach allows for early identification of potential usability issues, leading to design improvements and a better user experience.

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Answer:

answer letter c

Explanation:

yun anserr hhehehe

An expression for the voltage drop between inverter and PUC

\(V D \rightarrow \frac{I(\Omega / k f t) d}{2770}$\)

This is further explained below.

Generally, the equation for Voltage drop is  mathematically given as

\(V=\frac{I R}{V}\)

Therefore

\(\%$ Voltage drop $=\frac{I R}{V} * 100\\\\$\rightarrow \frac{100 I(\Omega / 15 f t) d}{1000 V_{p}}\\\\$V_{P}=277 \mathrm{~V}$\)

\(V D=\frac{I(\Omega / \mathrm{kft}) d}{10 * 2770} \rightarrow \frac{I(\Omega / \mathrm{kft}) d}{2770} \mathrm{~V}\\\\$\% V D \rightarrow \frac{I(\Omega / k f t) d}{2770}$\)

In conclusion, the expression for the voltage drop between inverter and PUC

\(V D \rightarrow \frac{I(\Omega / k f t) d}{2770}$\)

CQ

An inverter has a balanced 3-phase, 277/480 V output and is installed a distance, d, ft from the point of utility connection. The DC/AC converter is shown below in the inverter. And the distance d is the physical separation between this DC/AC converter and the PCC.

Derive an expression for the voltage drop between inverter and PUC in terms of d using the basic equation %VD =100IR/V.

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It means that the gas with the lowest molecular weight will have the highest effusion rate.

The given gases' effusion rates are listed in order from highest to lowest. The effusion rate of a hydrogen molecule is the highest, whereas that of a hydrocarbon is the lowest.

A gas will effuse faster when it is lighter and more slowly when it is heavier. Helium (He) will have the highest rate of effusion since it has the lowest molecular weight (atomic weight, in this example).

The following equation can be used to compare the rate of effusion for two gases: The effusion rates in this case are inversely related to the square root of the gas molecules' masses. A container contains an amalgam of neon and argon gas.

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Answer:

L= 312.75 mm

Explanation:

given data

elastic modulus E = 106 GPa

cross-sectional diameter d = 3.9 mm

tensile load F = 1660 N

maximum allowable elongation ΔL = 0.41 mm

to find out

maximum length of the specimen before deformation

solution

we will apply here allowable elongation equation that is express as

ΔL =     \(\dfrac{FL}{AE}\)     ....................1

put here value and we get L

L   =    \(\dfrac{0.41\times 10^{-3}\times \dfrac{\pi}{4}\times (3.9\times 10^{-3})^2\times 106\times 10^9}{1660}\)

solve it we get

L = 0.312752 m

L= 312.75 mm

The acquisition of additional certifications with a personal refined craft skills can increase the odds for career advancemen.

An advancement is achieved in a career if a professional use their skill sets, determination or perserverance to achieve new career height.

An example of a career advancement is when an employee progresses from entry-level position to management and transits from an occupation to another.

Therefore, the Option A is correct.

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In contrast to mobile work zones, stationary work zones have clearly defined boundaries.

According to the 2009 edition of the Manual on Uniform Traffic Control Devices (MUTCD), a short-term stationary work zone is "daytime work that occupies a location for more than one hour within a single daylight period."

The following are typical daytime work shift-length tasks:

paving the road, fixing broken underground water lines, fixing storm water catch basins, trimming trees along the road, and parking work vehicles for a long time on the side of the road. The minimum traffic control planning and devices that are required to safely direct motorists, bicyclists, and pedestrians around workers and work vehicles during daylight hours will be discussed in this bulletin. Night operations necessitate additional equipment and planning, which is not the subject of this bulletin.

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Answer:

540 W

Explanation:

Answer:

Engineering drawing abbreviations and symbols are used to communicate and detail the characteristics of an engineering drawing.

There are many abbreviations common to the vocabulary of people who work with engineering drawings in the manufacture and inspection of parts and assemblies.

Technical standards exist to provide glossaries of abbreviations, acronyms, and symbols that may be found on engineering drawings. Many corporations have such standards, which define some terms and symbols specific to them; on the national and international level, like BS8110 or Eurocode 2 as an example.

Hope that help :)

Answer:

\(\eta =46\%\)

Explanation:

Hello!

In this case, we compute the heat output from coal, given its heating value and the mass flow:

\(Q_H=60\frac{tons}{h}*\frac{1000kg}{1ton}*\frac{1h}{3600s}*\frac{30,000kJ}{kg}\\\\Q_H=500,000\frac{kJ}{s}*\frac{1MJ}{1000J} =500MW\)

Next, since the work done by the power plant is 230 MW, we compute the efficiency as shown below:

\(\eta =\frac{230MW}{500MW}*100\% \\\\\eta =46\%\)

Best regards!

The capacitor's charge and voltage are both still zero immediately after the switch is closed because it has not had time to charge up.

The relationship is denoted by the equation q=CV, where q is the stored charge, C is the capacitance, and V is the applied voltage. One might wonder, after looking at this formula, what would happen if the capacitance was changed while the charge remained constant. Of course, the voltage will change in response to this. A capacitor's capacitance (C) and the voltage (V) that is applied to it are multiplied together to form the charge (Q) that is stored there. A capacitor's capacitance should always be a constant, predetermined value. So, we can change the voltage to change the cap's charge. Less voltage equals less charge, and more voltage equals more charge. One of the plates of a charged capacitor is positively charged, and the other plate has an equal amount of negative charge.

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Answer:  0.765 m kg / s

Explanation:

Momentum = (mass) x (speed)

The claim specifies a Java method that produces an object of LinkedList with the data arranged in the same manner as a sorted LinkedList. A linked list is implemented using the built-in data structure LinkedList in Java.

The first version of the well-known high-level programming language Java was published in 1995 by Sun Microsystems, which is now a division of Oracle Corporation. It was created to be platform-independent, so regardless of the underlying operating system, Java programmes can run on any computer or device with a Java Virtual Machine installed. Java is frequently used to create a range of applications, including games, enterprise software, online and mobile applications, and more. Although it has additional features like autonomous memory management through garbage collection, its syntax is comparable to that of C and C++. A large library of included classes and APIs in Java also makes it simpler to create complicated applications with less code.

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Each component of the equation is graphed. The point of intersection's x-value provides x is 0.45896226,0.91000757,3.73307902

Each component of the equation is graphed. The point of intersection's x-value provides the answer. x is 0.45896226,0.91000757,3.73307902

x≈−0.45896226,0.91000757,3.73307902

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Each component of the equation is graphed. The point of intersection's x-value provides x is 0.45896226,0.91000757,3.73307902.

Each component of the equation is graphed. The point of intersection's x-value provides the answer. x is 0.45896226,0.91000757,3.73307902

x≈−0.45896226,0.91000757,3.73307902

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Answer:

A Voltage regulator

That force which is generated to cause current to flow in an electrical circuit. It is also referred to as electromotive force or electrical potential. Voltage is measured in volts. VOLTAGE REGULATOR - A device that controls the strength of a magnetic field produced by a generator or alternator

Information in data warehouses and data marts is nonvolatile, so it reflects history, which is critical for identifying and analyzing trends.

A records mart is a division of a records warehouse that is concentrated on a specific industry, division, or problem area. Data marts provide unique information to a defined group of users, enabling those users to quickly access crucial insights without wasting time looking through a large data warehouse.

A Data Mart includes a portion of the information kept in a Data Warehouse and is focused on a single useful area of a business. A Data Mart is a streamlined form of a Data Warehouse that is created for usage by a certain division, unit, or group of users within an organization.

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Relationship between two variables.

The experimental research in psychology aims to analyze the relationships between the various variables. There are two variables such s independent and the dependent variable. The independent in the manipulated variable. Depended is measurable.

Thus the two variables are independent and dependent.

Thus the two variables can be recorded by the psychologist.

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The net work done by the Nitrogen in lifting the mass and the pressure is; W_n = 0.6257 kJ

We are given;

Mass of argon; m_a = 0.1 kg

mass of piston; m_p = 5 kg

Pressure 1; p₁ = 100 kPa

Temperature 1; T₁ = 300 K

Temperature 2; T₂ = 320 K

Ideal gas constant; R = 0.208 kJ/kg.K

γ = 1.67

Since the reaction is adiabatic and slowly reversible, then we will use the formula; PV^(γ) = C

Thus, work done by argon is;

W_ar = [m_a * R(T₁ - T₂)]/(γ - 1)

W_ar = [0.1 * 0.208(300 - 320)]/(1.67 - 1)

W_ar = -0.6028 kJ

Work done by nitrogen will be;

W_n = |W_ar| + (m_p * g * m_a)/1000

W_n = 0.6028 + (5 * 9.81 * 0.1)/1000

W_n = 0.6257 kJ

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Once the external shape and internal features of a part are represented by a combination of lines, further information is provided by Dimension.

In regards to geometry, the  three-dimensional shape is known to be one that can be said to be a form of solid figure or an object/shape that is of known to be made up of three dimensions which are length, width, and height.

Note that the three-dimensional shapes have height as well as thickness or depth.

Therefore, Once the external shape and internal features of a part are represented by a combination of lines, further information is provided by Dimension.

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If you have a goal statement or a sentence describing the mini-world of your database, how can you start working out the relationships between entities you will need to Look for adjectives.

Define a database.

An organized group of data that is electronically accessible and stored is referred to as a database in computing. Small databases can be kept on a file system, whereas large databases are kept on computer clusters or in the cloud. Any grouping of data or information that has been carefully structured to allow quick computer search and retrieval is referred to as a database, sometimes known as an electronic database.

In order to make it easier to store, retrieve, modify, and delete data while carrying out various data-processing tasks, databases are designed in this manner. For the purpose of storing and retrieving data, databases are collections of data. Data in the database can be found in numeric, alphabetical, or alphanumeric forms.

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The statement that evaluates to True when the `intDays` variable contains the number 5 is `If intDays = 5 Then`.In the given question, we are asked to determine the statement that evaluates to True when

the `int Days` variable contains the number 5.The different statements given are:a. If intDays = 5 Thenb. If intDays <> 0 Thence. If int Days > 1 Thind. all of the aboveOut of these, the only statement that evaluates to True when the `intDays` variable contains the number 5 is `If intDays = 5 Then`.Therefore, the answer to the given question is option a. If intDays = 5 Then.The other options are as follows:b. If intDays <> 0 Then evaluates to True for all values of `intDays`, except 0.c. If intDays > 1 Then evaluates to True for all values of `intDays` greater than 1.d. All of the above does not evaluate to True when `intDays` contains the number 5.

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The types of materials are best for preventing heat transfer through convection include the following:

In Science, there are three (3) main types of heat energy transmission and these include the following:

Convection can be defined as a heat energy transfer process which typically involves the transfer of heat, as a result of the movement of mass.

Based on scientific research and experiments, convection is generally considered to be a more effective and efficient means of heat transport on planet Earth when compared to conduction.

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Answer:

The landscape architect uses knowledge of legal requirements to inform design choices.

Explanation:

The landscape architect doesn’t only draw on knowledge of law and government to design grounds for public buildings, but will draw on that knowledge quite often on many projects. The landscape architect’s knowledge of design is not purely intuitive but is a product of study and might involve research. The landscape architect’s knowledge of law and government, however, does come into play in making design choices that are consistent with the law and government regulations.

Answer:

HUHHHHHH BE SPECIFIC CHILE

Explanation:

ERM IRDK SORRY BOUT THAT

9514 1404 393

Answer:

  (x, y) = (5.76, 1 5/7)

Explanation:

The location of the centroid in the x-direction is the ratio of the first moment of area about the y-axis to the total area. Similarly, the y-coordinate of the centroid is the first moment of area about the x-axis, divided by the area.

For the moment about the y-axis, we can define a differential of area as ...

  dA = (y2 -y1)dx

where y2 = √(x/k2) and y1 = k1·x^3

The distance of that area from the y-axis is simply x.

So, the x-coordinate of the centroid is ...

  \(\displaystyle c_x=\frac{a_x}{a}=\frac{\int{x\cdot dA}}{\int{dA}}\\\\a_x=\int_0^{12}{x(k_2^{-1/2}\cdot x^{1/2}-k_1x^3)}\,dx=\frac{2}{5k_2^{1/2}}\cdot12^{5/2}-\frac{k_1}{5}12^5\\\\a=\int_0^{12}{(k_2^{-1/2}\cdot x^{1/2}-k_1x^3)}\,dx=\frac{2}{3k_2^{1/2}}\cdot12^{3/2}-\frac{k_1}{4}12^4\\\)

For k1 = 4/12^3 and k2=12/4^2, these evaluate to ...

  \(a_x=115.2\\a=20\\c_x=5.76\)

The y-coordinate of the centroid requires we find the distance of the differential of area from the x-axis. We can use (y2 +y1)/2 for that purpose. Then the y-coordinate is ...

  \(\displaystyle c_y=\frac{a_y}{a}\\\\a_y=\int_0^{12}{(\frac{y_2+y_1}{2}(y_2-y_1))}\,dx=\frac{1}{2}\int_0^{12}{(\frac{x}{k_2}-(k_1x^3)^2)}\,dx\\\\a_y=\frac{12^2}{4k_2}-\frac{k_1^212^7}{14}=\frac{240}{7}\\\\c_y=\frac{12}{7}\approx1.7143\)

The centroid of the shaded area is ...

  (x, y) = (5.76, 1 5/7)

The current that passes through the residual heater is 4.94 Ampere.

Given,

         Volume = 0.3 m³

         Pressure = 200 kPa

         Temperature = 27°C

         Voltage = 110 V

         Time = 10 minutes

According to the ideal gas equation,

m = PV/RT = 200×10³×0.3/(189×(27+273)) = 1.058 kg

V₁/T₁ = V₂/T₂

T₂ = (V₂/V₂)×T₁ = 2×(27+273) = 600 K = 600 - 273 = 327°C

W = P(V₂ - V₁) = 200×10³ ×(2×0.3 - 0.3) = 60 kJ

Q - W = mCp(T₂ - T₁)

Q - 60 = 1.058×0.839×(327-27)

Q = 326.3 kJ

V×I×t = 326.3 kJ

110×I×(10×60) = 326.3×10³

Current I = 4.94 A

Thus, the current that passes through the residual heater is 4.94 A.

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Answer:

Given, diameter of pin head d = 1 mm = 1/25.4 = 0.0394 in Surface area of a pinhead, A = 4pr^2 =

Explanation:

eesh

Answer:

Explained below

Explanation:

Perfect Elastic Plastic in steel design is simply a method whereby the structural members are selected using the criteria of the overall ultimate capacity of the system. However, when safety is considered, the applied loads are usually increased by factors of safety as prescribed in the relevant steel design codes. Therefore, this model of design is just based on the yield capacity of the steel.

Hai

Your answer will be A.

If you lower the Air Pressure your Object will Float Down ward. The Air Pressure allows it to Fly.

The pressure field created by faster air movement over an airfoil is; A:  higher

When the air hits the front of the wing, the air will flow in a steeper curve upward, than the bottom wing flow which will lead to the creation of a vacuum on top of the wing that pulls more air towards the top of the wing.

Finally, this air above does the same thing but it will move faster as a result of the vacuum pulling it in, and as such the vacuum now lifts the wing. Thus, Faster air movement over an airfoil creates a higher pressure field.

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