Questions
Streamlines represent the path of the flow of a fluid

 

Learning Goal: To understand the continuity equation.

Streamlines represent the path of the flow of a fluid. You can imagine that they represent a time-exposure photograph that shows the paths of small particles carried by the flowing fluid. The figure shows streamlines for the flow of an incompressible fluid in a tapered pipe of circular cross section. The speed of the fluid as it enters the pipe on the left is v1. Assume that the cross-sectional areas of the pipe are A1 at its entrance on the left and A2 at its exit on the right.

Part A

Find F1, the volume of fluid flowing into the pipe per unit of time. This quantity is also known as the volumetric flow rate.
Express the volumetric flow rate in terms of any of the quantities given in the problem introduction.
 
Part B
Because the fluid is assumed to be incompressible and mass is conserved, at a particular moment in time, the amount of fluid that flows into the pipe must equal the amount of fluid that flows out. This fact is embodied in the continuity equation. Using the continuity equation, find the velocity v2 of the fluid flowing out of the right end of the pipe.
Express your answer in terms of any of the quantities given in the problem introduction.
 
 
Part C
If you are shown a picture of streamlines in a flowing fluid, you can conclude that the __________ of the fluid is greater where the streamlines are closer together.
Enter a one-word answer.

 

In: Physics

Learning Goal:To understand the continuity equation.Streamlinesrepresent the path of the flow of a fluid....

Learning Goal: To understand the continuity equation.

Streamlines represent the path of the flow of a fluid. You can imagine that they represent a time-exposure photograph that shows the paths of small particles carried by the flowing fluid. The figure shows streamlines for the flow of an incompressible fluid in a tapered pipe of circular cross section. The speed of the fluid as it enters the pipe on the left is v1. Assume that the cross-sectional areas of the pipe are A1 at its entrance on the left and A2 at its exit on the right.


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Part A

Find F1, the volume of fluid flowing into the pipe per unit of time. This quantity is also known as the volumetric flow rate.

Express the volumetric flow rate in terms of any of the quantities given in the problem introduction.



Part B

Because the fluid is assumed to be incompressible and mass is conserved, at a particular moment in time, the amount of fluid that flows into the pipe must equal the amount of fluid that flows out. This fact is embodied in the continuity equation. Using the continuity equation, find the velocity v2 of the fluid flowing out of the right end of the pipe.

Express your answer in terms of any of the quantities given in the problem introduction.


Part C

If you are shown a picture of streamlines in a flowing fluid, you can conclude that the __________ of the fluid is greater where the streamlines are closer together.

Enter a one-word answer.

In: Physics

This is a written assignment that you must conduct exploratory research on how the government internalizes...

This is a written assignment that you must conduct exploratory research on how the government internalizes negative externality (you only need one market or one product or one activity).

Recall negative externalities occur in many markets; for example, oil production, manufacturing, transportation, and smoking, etc.

Please make sure that:

1. You clearly identify the market (product or activity) that causes negative externalities, which means the negative externalities must be also well defined. These could be shown with good statistics and proper in-text citations (and references.)

2. You are to write a summary of the policy implemented in the market of your choice. Again, properly if you use any direct quotes or statistics from the sources, you must cite the sources properly.

3. You then will upload your short exploratory paper in a word document or pdf file to Canvas.

The research should not exceed 2 pages (double-spacing), excluding the abstract and reference page, and you must have at least two outside sources for your writing.  A successful paper requires you to perform research, craft an argument, and cite references to support your statements. I might ask for you to show me the sources you use, so please have them available.  

In: Economics

Use the find command to find all directories under /pub/cs/ whose name is cs160a. Be sure to only display the results that match, do not display any error output.

Unix/Linux

1)
Use the find command to find all directories under /pub/cs/ whose name is cs160a. Be sure to only display the results that match, do not display any error output.
Hint: use: 2>/dev/null.

2)
Create a one-line command, using he famous.dat file, to add the word " STREET" to the address, for all who live on 2nd or 3rd.
For example: '2nd' becomes "2nd STREET" and '3rd' becomes "3rd STREET".
Display only the first 9 lines.
Hint: use 2 sed statements with pipes.

3)
Display all lines in famous.dat that end in 0 or 1, and have a 1 in the 3rd from the last column.
For example lines ending in 120 and 131 would be displayed.

4)
Display all lines in famous.dat that have only 4, 5, 6, 7 and 9 in the zip code.
HINT: this is the same as NOT 0,1,2,3 or 8.

5)
Using only the grep command, search all files with names that end in either .html or .htm under the$HOME/public_html directory and display any lines that contain body tags (containing ''). No other output should be displayed even if there is no public_html directory.
Hint: use two command arguments and 2>

In: Computer Science

Which basic degree of competition are we seeing in this short case scenario? Explain why you have come to this conclusion.


Business Scenario from Textbook BUSN11:


In the nation where Klaus lives, there are four very large manufacturers of furniture. Klaus and some very wealthy friends want to establish Number Five in the furniture manufacturing industry. Their strategy is quite simple and straight forward. They will quickly establish their new firm in the market and will sell all their products at lower prices than currently exist in the market. "We can have our company up and running within six months," Klaus confidently tells one of the prospective investors. An advisor says to Klaus: "These friends who want to back you financially, are they millionaires?" Klaus answers, "Not necessarily. They're just sharp business people who want to get a new firm started in an industry that is looking for some new ideas, some new blood." Soon the word has spread throughout the furniture industry that Klaus and friends are about to make a move. Then, Klaus gets a phone call: "Klaus, this is Ted Willkur of Willkur Furniture, and I'd like for you and me and some of my furniture colleagues from the other firms to have lunch together out at the country club. Interested?


Question: Which basic degree of competition are we seeing in this short case scenario? Explain why you have come to this conclusion.

In: Economics

1) Find the appropriate measure of center. Discuss why the chosen measure is most appropriate. Why...

1) Find the appropriate measure of center. Discuss why the chosen measure is most appropriate. Why did you decide against other possible measures of center? 2) Find the appropriate measure of variation. The measure of variation chosen here should match the measure of center chosen in Part 1. 3) Find the graph(s) needed to appropriately describe the data. These may be done by hand and inserted into the Word document. 4) Define a random variable (X) so that your chosen data set represents values of X. 5) Is your chosen random variable discrete or continuous? Explain how you know. 6) Would the Normal or Binomial distribution be a good fit for the underlying sample distribution of X? If one of them is a good fit, state how you would approximate the distribution parameters. 7) Calculate the probability that a flight will depart early or on time. 8)Calculate the probability that a flight will arrive late. 9) Calculate the probability that a flight departs late or arrives early. 10 ) Assume now that the random variable X = Arrival Time is exactly normally distributed with mean, mu = -2.5, and standard deviation, sigma = 23. Compute the probability of a flight arriving late based on this new information. Does this contradict your answer from Part 8?

In: Statistics and Probability

Screening tests for genetic issues can be performed in the first trimester, second trimester or both...

Screening tests for genetic issues can be performed in the first trimester, second trimester or both trimesters. Carrier testing is also an option performed prior to or during pregnancy. Carrier testing provides information as to whether one or both parents are carriers for certain inherited disorders. The results of these tests are used to determine an appropriate plan of care for the patient.

Genetic testing of the fetus and the parents offer both opportunities and ethical challenges. As a Registered Nurse, you need to be aware of your own feelings to provide non-biased professional support.

Compose a response to the following:

Implications of genetic testing and the role of the registered nurse in providing support to a couple seeking guidance. Provide one example of how genetic testing is used in the reproductive (preconception, conception, pregnancy) setting.

Consider if the registered nurse has the right to refuse to care for patients who choose termination of a pregnancy based on genetic testing when it conflicts with the ethics and values of the nurse.

Discuss how medical, economic, or psychosocial issues might impact decision making relative to genetic testing.

Base your initial post on your readings and research on this topic. Your initial post must contain a minimum of 250 words. References, citations, and repeating the question do not count towards the 250-word minimum.

In: Nursing

1. What is a contingent liability? (preferably in your own words; if you copy and paste,...

1. What is a contingent liability? (preferably in your own words; if you copy and paste, indicate source and page/slide number)

2. Why should the auditor contact the legal counsel (lawyer) about contingent liabilities? (answer in your own words, not the explanation to C below)

Look at the explanation for wrong answer D below.

3. Define the word accrued in the context of a contingent liability.

4. Bonus for max points: What is another term accountants use that has the same meaning as accrued in this context?

5. In the context of contingent liabilities, what does probable mean? Also give an example.

6. In this context, what does reasonably estimated mean? Also give an example.

7. Under what circumstances should a company accrue a contingent liability? Use some of the terms you have described above to answer this question. Also give an example.

8. Under what circumstances should a company disclose, but not accrue, a contingent liability? Use some of the terms you have described below to answer this question. Also give an example.

9. When accountants use the term disclose, what does that mean?

10. If a contingent liability is accrued, then it must also be disclosed, but not necessarily vice versa. True or False? Explain.

In: Accounting

Challenges in Long-Term Care Your instructor will assign you a research article relating to the current...

Challenges in Long-Term Care Your instructor will assign you a research article relating to the current challenges in the long-term care continuum and their impact on the current long-term care industry.

The research paper that I have chosen is at this link:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4193350/

The Changing Face of Long-Term Care

Bruce C. Vladeck, Ph.D., Nancy A. Miller, Ph.D., and Steven B. Clauser, Ph.D.

Read the assigned research paper and after you have completed your review, create a Microsoft Word document addressing the main challenges discussed in the paper. Be sure to incorporate the following:

- Introduction and background of the research paper

- Stakeholders interested in the study

- Challenges in the long-term care continuum

- Impact of the challenges on the long-term care system (specifically on staffing, funding, and regulation)

- Recommendations to address the challenges

To support your work, use your course and textbook readings and also use the South University Online Library. As in all assignments, cite your sources in your work and provide references for the citations in APA format.

Submission Details: Your assignment should be addressed in a 2- to 3-page document.

Submit your document to the Submissions Area by the due date assigned.

Due Date May 23, 2018 11:59 PM

In: Nursing

Introduction/Discussion Task: Often, business decisions involve choosing between alternative courses of action, and companies tend to...

Introduction/Discussion Task: Often, business decisions involve choosing between alternative courses of action, and companies tend to want to find the alternative that offers the highest revenue or the most significant reduction in costs. Non-routine decisions use differential analysis. These include make-or-buy choices, whether to retain or drop a product line, or even if a customer should be retained or dropped. In using differential analysis, common revenues and costs are factored out of the assessment, thereby focusing on revenue and cost information that is specific to a given product, customer, or another point to be analyzed. Use the basic knowledge acquired from differential analysis to respond to the following discussion task: Continuing with the company selected in Unit 2, think about the types of financial data that would be included and excluded in differential analysis. Propose which specific revenues and costs should be considered in an evaluation to drop or keep a: Customer Product line In addition, explain sunk and opportunity costs as they relate to your selected company. Should these costs be considered in differential analysis? Why or why not?

Note: Your discussion should have a minimum of 2 450 words. Please include a word count. Following the APA standard, use references and in-text citations from the textbook and any other sources.

In: Accounting