Which of the following is the best example of a public good (or quasi-.docx

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Solution A passenger airplane Public goods are services which must be provided collectively for two main reasons: Non-excludability - the goods cannot be confined to those who have paid for it Non-rivalry in consumption - the consumption of one individual does not reduce the availability of goods to others .

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Which of the following is the best example of a public good (or quasi-
public good)?
A. A passenger
airplane
B. A hamburger
C. A fireworks show
D. A share of IBM
stock
Which of the following is the best example of a public good (or quasi-
public good)?
A. A passenger
airplane
B. A hamburger
C. A fireworks show
D. A share of IBM
stock
Solution
A passenger airplane
Public goods are services which must be provided collectively for two main reasons: Non-
excludability - the goods cannot be confined to those who have paid for it Non-rivalry in
consumption - the consumption of one individual does not reduce the availability of goods to
others

Which of the following is the best example of a public good (or quasi-.docx

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Please answer part c of the question. Thank you. The International Atomic Energy Agency (IAEA) has an interactive chart of the nuclides which has a wealth of information. Use the chart to answer the questions below this link should open the chart in a new window or tab. Interactive chart of the nuclides (from the IAEA) In your new window or tab, you should see a colorful diagram that is shaped something like an amoeba. Note that you can click-and-drag in the window to re-position the graph, and you can move and zoom using the controls at the top left (you can also zoom by scrolling up or down in the window). (a) Most of the nuclides shown are given a color, representing the half-life, but some of the nuclides are black. Note that, near the bottom left of the chart, the black ones are found on or near the line Z = N (same number of protons and neutrons). As the atomic number increases, however, the nuclides in black are found below the Z N line, so these black ones have more neutrons than protons. what do the nuclides in black represent? These are stable nuclei. O These are nuclides we have no information about. O These are nuclei that decay via alpha decay O These are the nuclides that play the bad nuclei in the movies. O These are nuclei that decay via the beta-plus process. These are nuclei ht deay by oving offa gamma ray These are nuclei that have extremely short half-lives. O These are nuclei that decay via the beta-minus process O These are nuclei that decay via electron capture. (b) To the right of the chart, you should see a \"Color zones by selector with a pull-down menu. Use that pull-down menu to select \"main decay mode\". Note which nuclides decay via alpha decay beta-minus decay, beta-plus decay, etc. In general, what is true about those nuclides which decay via the beta-minus process? They are found above the most stable nuclei, so that decaying via beta-minus moves the nuclei away from the zone of higher stability. O They have long half-lives O They have short h-ives. O They do not change their number of protons when they decay O They do not change their number of neutrons when they decay They are found above the most stable nuclei, so that decaying via beta-minus moves the nuclei toward the zone of higher stability They are found below the most stable nuclei, so that decaying via beta-minus moves the nuclei toward the zone of higher stability ? They are found below the most stable nuclei, so that decaying via beta-minus moves the nuclei away from the zone of higher stability (c) According to the table, the element tin has how many stable nuclides? (This is more than any other element, in fact.) stable nuclides Solution (c) Tin has the most number of nuclides. According to the table, the element tin has ten (10) stable nuclides. .

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Pictorialize a human being as a computer system. Solution The human nervous system is like the telephone network, cause it do the same thing , all the impulses that a human has respond through all the nerves which are connected to the base of the brain, and all signals and messages go to the brain, and the mind respond by sending an impulse to the given area ,and an action is preformed,then impulses are send back,for new impulses to be send by the brain, so that is why it is like a telephone system. The Human brain acts as the CENTRAL PROCESSING UNIT, where each of the actions performed by the other parts of the body are analyzed and the tasks are assigned to various parts of the brain- namely cerebrum and cerebellum. The Cerebrum can be likened to as the HARD disk of the computer where all the memory is stored. The data stored in the cerebrum can be retrieved easily. The Cerebellum of the brain can be likened to RAM - Random access memory, where the data is only stored for a short period of time. The major similarities between the human body and the computer system are as follows. both will malfunction if attacked by virus. both has a limited memory both can explore various sites. both has their own briefcases. both has their own calculators both can import and export both can act as a messenger both can write a mail both can paste both can save both has their own favorites both has their own tools both can play games When tired and slow both has to refreshed both carry a address book,note pad and calendar sometime both require a help both could be repaired and cured by only by qualified technicians. Both function and look better with Add-ons both ask questions and answer questions. By over usage both get heated up. Both have network places Both have choice to run Both can play music .

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Personal Trainer, Inc. owns and operates fitness centers in a dozen Midwestern cities. The centers have done well, and the company is planning an international expansion by opening a new â€œsupercenterâ€ in the Toronto area. Personal Trainerâ€™s president, Cassia Umi, hired an IT consultant, Susan Park, to help develop an information system for the new facility. During the project, Susan will work closely with Gray Lewis, who will manage the new operation. Background During data and process modeling, Susan Park developed a logical model of the proposed system. She drew an entity-relationship diagram and constructed a set of leveled and balanced DFDs. Now Susan is ready to consider various development strategies for the new system. She will investigate traditional and Web-based approaches and weigh the pros and cons of in-house development versus other alternatives. Before you begin, you should review the background information and facts contained in Chapters 2, 4, and 5 of the case study. Tasks 1. Susan has been asked to prepare a system requirements document and deliver a presentation to the management team. What should be the main elements of the system requirements document? 2. Based on the suggestions in Part A of the Systems Analystâ€™s Toolkit, what visual aids should Susan use during her presentation? Solution 1)Ans- The main elements of the system requirements should be: 1) Budget consideration. 2) The objective of the software system. 3) Describe the transactions the system will process. 4) Information the users and managers need from the system. 5) Consider security issue 2)Ans- Susan should use power point as a visual aid, some flip charts, overhead transparencies, videos, slides, to improve her presentation. She should also prepare a contingency plan in case anything was to happen to her presentation. .

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Peruse the readings by Bennis and Nanus, Schein, and Ulrich and Lake. Are these concepts employed in your company today? Why or Why not? Solution The concepts that have been proposed by Bennis and Nanus, Schein, and Ulrich and Lake are widely used in organizations since they give a clear picture of the following: 1. Gaining attention through vision 2. Meaning through communication 3. Trust through positioning 4. Deployment of self through The key concepts stressed by all the above experts are about being leaders, followers and mainly about the visioning process. The concepts are widely used in the oranizations these days as vision gives clarity to leaders as to what their key actions should be oriented with. The vision of the company will drive individuals to become leaders and to lead the group. If the employees are able to relate themselves with the company and with the goal of the company then they will be able to guide the team towards achieving the goal. Bennis (1989) proposed that a role of the leader is to give direction to vision and ideas so that followers can work on achieving the vision. In addition to Bennis, Ulrich et al. (1999) called for leaders to set direction so that the vision could become a reality. Kotter (1990) and Kanter (1995) both independently called for similar leadership efforts in that the leader should establish a direction. This can best be done by helping the followers see what must be done in the short and intermediate-term through strategies and tactics to achieve the vision. According to Ulrich the leader sets the purpose and direction of the organization which is almot evident in all the organizations these days. Further he insisted that leaders should have three elements which are having ethics, emphasizing ethics, and enforcing ethics. The concepts that were suggested by the above mentioned experts are employed in the concern since it serves as a guide to understand what the leader should do and how a leader should shoulder responsibilities. .

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Why do some authors view investment cash flow sensitivity as a symptom of underinvestment while others see it as symptoms of overinvestment? Solution Answer: Investment cash flow sensitivity, some autohers consider asymmetric information theory which supposes that the information is not equally distributed between managers and suppliers of external finance, and other refer to agency theory.An assumption of asymmentric information theory is that managers act in the best intersts of existing sharehonders and extrenal investors can not assess the quality of investment project.Managers will prefer internal funds to finance new projects.This implies a positive relationship between the availabitility of cash flow and investment. Second in some cases managers will prefer to underinvest rather than to look for new investors. consquently investment cash flow senstivity can be a symptom of underinvestment.According to agency theory however manager a re assumed to take actions that are not in shareholders interest.To increase their power, manager undertake the highet level of investment.as a result, they may use a firm\'s free cash flows in unprofitable project.Investment cash flow sensitivity is then a symptom of overinvestment. .

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Why do the outer stars in our galaxy not slow down, as Keplerâ€™s laws of motion would predict? Solution Kepler\'s Laws were derived for the planets orbiting the Sun in our solar system. And they work for any situation in which you have one discrete object with a mass far greater than any of the the objects that orbit it. But with galaxies you have a very different situation. The mass of a galaxy is not all concentrated at the center. It\'s spread out among all the constituents of the galaxy, across hundreds of thousands of light years. As explained here, even the supermassive black hole at the center of the Milky Way isn\'t massive enough to greatly affect the orbits of the stars in our galaxy (except for those very close to the center). In practice, and this is especially true for galaxies\' stars, the paths are not perfect ellipses. There is often some precession (a slow change in position) of the orbiting object\'s path, causing it to never repeat the exact same orbit about the central mass. .

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Who are organizational stakeholders and what types of responsibilities does an organization have to them? Solution Organizational Stakeholders: Organizational stakeholder is a person or group having interest or relations with an organization. The est exaples of organizational stakeholders are board of directors , employees, government, shareholders, community and other interested parties. Type of responsiblity depends upon the type of stakeholder for example organization\'s responsibility towards its employees is to compansate them resonably, to hear their grievences and to motivate them for achieving goals of an organization. Resposibility towards creditors is to meet and respect credit terms committed with the creditor. Responsibility towords government is to follow its laws and rules governing oganizational operations. Responsibility towards directors is to provide them the complete details regarding the operations and functons of the organization. .

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Who are the principle stake holders of the company? Did Dole treat them differently, and if so, why? what were the key challenges for the company in managing the relationships with those different stakeholders groups?(case study-Dole\'s DBCP Legacy) Solution We will establish and maintain an effective system which governs our corporate entities to ensure that management is both transparent and accountable to our internal and external stakeholders. We will implement systems of compliance to ensure that we properly observe and respect the laws and regulations of each country in which we operate. We will respect and adhere to the principles of the United Nations Global Compact.(*1) We will not tolerate any form of bribery, corruption, dishonest marketing, or insider trading. We will conduct all transactions in accordance with these principles, promoting fair and open competition in the marketplace. We will employ best practices in risk management in financial, environmental and social arena to continuously earn the trust of our stakeholders. We will maintain a good, mutually cooperative relationship with governments and their administrative bodies. We will not involve ourselves in nor have contact with any anti-social movement or group that promotes activities which are illegal or threatening to public order and safety .

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Which type of network covers a contiguous geographic area, such as an office building, or a group of buildings in close probability to each other? LAN MAN WAN All of the above what is an obstacle to IT integration? People Process Technology All the above E-mail messages may be stored on which of the following computers? Sender\'s computer Sender\'s server Recipient\'s server All of the above Which of the following PROVIDEs the use of software application over the internet for a fee? Application service Provider Software Application Suppler Software Resources Provider Software Application Provider Solution Please find the answers below: 11) MAN : MAN occupies coverage in between LANs and WANs. MAN has distance coverage and data rate higher than LAN, but less than WAN. This is the major difference between LAN and MAN. MAN overlaps to some extent to geographical coverage requirement of WAN. 12) All of the above 13) Recipient\'s server 14) Application software provider .

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Which space is the most abundant in 1.0 M of wak acid HCN solution? Assume that Ka for HCN IS 10^-10. A) HCN B) H+ C) CN- D) OH- Solution HCN(aq) ----------> H^+ (aq) + CN^- (aq) I 1 0 0 C -x +x +x E 1-x +x +x Ka = [H^+][CN^-]/[HCN] 10^-10 = x*x/1-x 10^-10 *(1-x) = x^2 x = 1*10^-6 [H^+] = x = 1*10^-6M [CN^-] = x = 1*10^-6M [HCN] = 1-x = 1-0.000001 = 0.99M [OH^-] = Kw/[H^+] = 1*10^-14/10^-6 = 10^-8 M HCN is the most abundant A) HCN >>>>answer .

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which sectors might constitute the critical infrastructures of turkey concering copmuter and information ethics ?justify your answer Solution In Turkey, the use of information and communication technologies (ICTs) has been spreading like a wildfire and ICTs are playing important roles in all aspects of our lives. In addition to public sector organizations, the organization agencies which provide services in critical infrastructure sectors like energy, water resources, health, transportation, communication and financial services have also been heavily using information and communication systems. These systems improve quality and speed of the services being provided, thus helping public organizations work more productively, contributing to the improvement of living standards. As our public sector organizations use ICTs - to provide services - at an increased rate every single day, it has become an important aspect of our national security and competitiveness to ensure the security of information and communication technologies. The vulnerabilities inherent in ICTs may cause denial of service or abuse of service attacks, resulting in potential loss of lives, high scale economic losses, disturbance of public order and/or threats to of national security. It is a fact that cyber space offers opportunities of anonymity and deniability for attacks on information systems and data. The tools and knowledge required for attacks are often cheap and easy to get, and it has been observed that anyone or any systems across the world can participate in cyber-attacks, either knowingly or completely unknowingly. And it is deemed almost impossible to determine who finances and organizes these enduring and advanced cyber-attacks that target at the information systems and data of critical infrastructures. These facts and conditions reveal the asymmetrical nature of the risks and threats in cyber space, making them even more difficult to tackle. .

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Which one of the following statements is true? Only one is true . Explain why T/F for each. (a) In metals, dislocations provide easy pathways for conducting electrons. (b) When a hole is created by thermal excitation of an electron across the band gap (1.1 eV) in silicon (atomic number 14), it has the same charge as a hole created by thermal excitation of an electron across the band gap (0.67 eV) in germanium (atomic number 32). (c) When a reverse-bias potential is applied across a p-n junction in doped Si, the flow of charge carrier across the junction will be insignificantly small. (d) In any given intrinsic semiconductor, the mobility of holes in the conduction band is lower than the mobility of electrons in the conduction band. (e) The addition of Ge to Si produces an extrinsic semiconductor. Solution (d) is correct . qE= E-Eg (in eV) so, lesser Eg gives more charge. (e) is false because Ge (+4 valency) will retain nature of doping in Si. (c) it would be significantly small i.e.,much lesser. .

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Which one of the following below would not be classified as an operating activity? Solution Hi, The correct answer is option (B), payment of dividends Explanation: Operating activity are those activity which contributes to the main operating business of the company. These pertain to a company\'s core business activities , such as manufacturing, distributing, marketing and selling a product or service. .

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Which of the two main types of reactor design are the following? What is the assumption made by the linear non-threshold (LNT) dose-response model? In a coal-fired power plant heat energy is produced by burning coal, and then used for boiling water to produce steam. Where does the heat energy come from in the nuclear reactor? Solution The first one is Boiling Water Nuclear Reactor. The second one is Pressurised Water Nuclear Reactor. The LINEAR NO-THRESHOLD MODEL (LNT) is a model used in radiation protection to estimate the long-term, biological damage caused by ionizing radiation. It assumes that the damage is directly proportional to the dose of radiation, at all dose levels. Nuclear power plants use heat produced during nuclear fission to heat water. In nuclear fission, atoms are split apart to form smaller atoms, releasing energy. Fission takes place inside the reactor of a nuclear power plant. At the center of the reactor is the core, which contains uranium fuel. The heat produced during nuclear fission in the reactor core is used to boil water into steam, which turns the turbine blades. As the turbine blades turn, they drive generators that make electricity. Afterward, the steam is cooled back into water in a separate structure at the power plant called a cooling tower. .

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Which of the responses includes all of the following that can form hydrogen bonds with water molecules? (1) Na (2) CH,COOH 6. (3) C2Ho (4) CH3NH Ar (1)and (2) ,W(1)and (3) C)(2) and (3) ?(2) and (4) E)(3) and (4) 7. What types of intermolecular forces exist between hydrogen fluoride molecules? I. London forces III. dipole-dipole interactions II.. hydrogen bonding IV. Ion-dipole interactions A) II and III B) 1,11, and 111 C) l only D) ?ll only E) l and 111 8. Which of the following statements is true? A C) D) The higher the viscosity, the faster a liquid flows The viscosity increases with increasing temperature. Liquids having strong intermolecular forces have higher viscosities than those that have weaker intermolecular forces. Water has a low viscosity because of hydrogen bonding. Solution 6. D ( ch3cooh and ch3nh2) 7. A (HYDROGEN BOND AND DIPOLE -DIPOLE) 8. C and D As a gas is heated, the movement of gas molecules increases and the probability that one gas molecule will collide with another gas molecule increases.Â Â In other words, increasing gas temperature causes the gas molecules to collide more often. This increases the gas viscosity because the transfer of momentum between stationary and moving molecules is what causes gas viscosity. As a liquid is heated, the viscosity decreases ... just the opposite effect as in gases.Â Â Why?Â Â Because liquids have much higher inter-molecular activity and attraction forces that keep the molecules closer together (i.e., that is why they are liquids).Â Â Heating a liquid increases the energy level of the molecules to the point where those inter-molecular forces are weakened and therefore the resistance to flow through the liquid (i.e., the liquid viscosity) decreases. .

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Which of the following would not appear in an IT acceptable use policy (AUP)? data retention File sharing e-mail non-business Internet use The primary goal of computer forensics is to: aid organizations in developing a risk mitigation plan manage risk find evidence that helps investigators analyze an event or incident define how data can be collected and monitored One of the main goals of is to protect an organization\'s bottom line. tactical planning risk management an incident response plan IT management Solution Question 2: Which of the following would not appear in an IT acceptable use policy(AUP)? Ans. data retentation. Question 3: The Primary goal of computer forensics is to: Ans: find evidence that helps investigators analyze an event or incident. Question 4 One of the main goals of ------------------ is to protect an organization\'s bottom line. Ans. risk management. .

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Which of the following would be soluable in water? Benzene C6H6 Diethylamine (CH3)2 NH Isopropyl alcohol HOCH(CH3)2 Carbon tetrachloride CCl4 Which of the following would be soluable in water? Benzene C6H6 Diethylamine (CH3)2 NH Isopropyl alcohol HOCH(CH3)2 Carbon tetrachloride CCl4 Benzene C6H6 Diethylamine (CH3)2 NH Isopropyl alcohol HOCH(CH3)2 Carbon tetrachloride CCl4 Solution Benzene and carbon tetrachloride are relatively less polar compared to water and are not soluble in it. In comparison diethylamine has amine group and has a hydrogen free to participate in hydrogen bonding and thus is soluble in water. Similarly isopropyl alcohol has OH group which participates in hydrogen bonding thus making it soluble. Thus water soluble compounds are diethylamine and isopropyl alcohol. .

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