Chapter 1- Kinematics Regents Physics Essays - Classical Mechanics

Chapter 1- Kinematics Regents Physics Essays - Classical Mechanics Chapter 1- Kinematics Regents Physics One-Dimensional Motion - Constant Acceleration Equations As we already know, acceleration is defined as the change of velocity per unit of time and can be found using: a= v t 3990975151765 Since: v= v f - v i , our formula then becomes: If we apply some algebra and solve for " v f " then we arrive at: v f = v i + at Several derivations using the above information lead to useful equations when we want knowledge of an object's displacement, velocity, or acceleration at any particular time. Such equations include: d = v i t + 1 2 at 2 v f 2 = v i 2 + 2ad Knowing which equation to use relies simply on the information you are given in the problem. In other words, it is important to write down every piece of information given by the problem including the variable that you are looking for . For example: Roger starts from rest and accelerates at 4 m/s 2 for 3 seconds. How far has Roger travelled? Notice how if an object starts from rest , v i (initial velocity) will always be zero. Similarly, if an object comes to rest , the v f (final velocity) will be zero. A bowling ball moving 20 m/s comes to rest at the end of the alley 20 meters away. Determine the acceleration of the bowling ball. A soccer ball kicked from rest travels 50 meters in 3 seconds. Determine the acceleration of the soccer ball. A car is initially moving at 20 m/s. The car then accelerates at a rate of 5 m/s 2 . How fast will the car be moving after 400 meters? 5181600306070 Superman is flying at 300 m/s. He then accelerates at a rate of 20 m/s 2 for 10 seconds. How fast is he now flying?

World leaders and their leadership styles. How did they affect the Research Paper

World leaders and their leadership styles. How did they affect the world - Research Paper Example This paper discusses a number of world leaders and their affect on the world today. Adolf Hitler Adolf Hitler was a powerful and relentless leader who was considered to be an inspiring leader during his early years of leadership as he demonstrated his intellectual capabilities during phase one of World War II by directing the Blitzkrieg tactics. The strategic capability of Adolf Hitler assisted the army in handling the unforeseen shock attacks against airfields, military installations and communication centers. Hitler amused his followers by winning the May 1940 Battle of France and May 1942 Battle of Kharkov. As he faced all the challenges with confidence and courage, he was successful in defeating the Nazi Germany (Megargee, 14). This defeat became famous globally and many remember Adolf Hitler via defeating the Nazi. Adolf Hitler governed the NSDP autocratically by establishing the Fuhrerprinzip  style of leadership; the principle behind it is that all subordinates have to remai n obedient to their superiors and government has a pyramid like structure. Hitler viewed himself as the perfect leader at the apex of the pyramid. In the party, all the positions were filled by people who had high ranks and ensured that they will be obedient to the leader’s will without asking any questions which showed that people having strong powers were given a place in the party (Popper, 64). Compulsion of following the rules of the leaders impacted the followers in making them powerless and also no freedom to speak or protest. Hitler used to give contradictory orders to his subordinates so that the strongest one was able to do the job; as a result, he fostered competition, distrust and power struggle among the subordinates so that he could strengthen his legitimate power. Contrary orders are difficult to abide by as all subordinates are not of the same level and hence there would be many that cannot fulfill the requirements of the order. Before 1941, Adolf Hitler was re garded as an excellent leader who inspired many people but afterwards he became sclerotic and started punishing people for their wrong doings. This started impacting the image of Hitler in a negative way and now in many places he is remembered as a harsh ruler. However, Hitler had strong power in making all operational decisions in Germany and it was under his leadership that Europe and Germany had to face the supreme calamity in his ruling period. The ability of making operational decision timely and accurately allowed him to face success in Germany. Mahatma Gandhi Mahatma Gandhi was the paramount leader of the Indian nationalism during the period when the British were ruling India. The leader introduced the concept of fighting with a tactic known as ‘non-violent civil disobedience’ by stirring innumerable movements of civil rights, non-violence and freedom worldwide (Barnabas and Paul, 135). This tactic proved to be highly successful for Gandhi and via this strategy h e was able to achieve his goals. Gandhi initiated his first fight for the protection of civil rights of Hindu and Muslim Indians in South Africa by implementing a fresh technique of non-violent public defiance. After years of sincere efforts and determination, the government of South Africa accepted their mistake and decided to compromise with Gandhi on treating everyone equally in the country. This was a huge success achieved by Gandhi and from hereon he became quite successful in fostering other movements. After his return to India in 1915, he joined the Indian National Congress to raise his voice against unacceptable policies and rules of the British government that were depriving people of their rights. One of his famous protests was Salt March against

Investment and protofolio risk for microsoft Essay

Investment and protofolio risk for microsoft - Essay Example Another risk associated in this problem is the so called – financial risk, which is the ambiguity introduced by the manner of financing the firm. Taking for example if Microsoft has to outsource to finance the whole company, it has to repay fixed financing charges such as interest expenses and return of principal amount before paying its shareholders. This then increases the risk of shareholders’ investment due to the preference of distributing its assets. Liquidity risk is the uncertainty over the ability to sell an investment in the secondary market which is Microsoft’s ability to sell its asset or convert non cash assets to cash in order to finance the company. Another risk connected in investment decisions is the Exchange rate risk or the uncertainty over the domestic currency value of a foreign currency denominated investment, which means that the value of the money varies with the currency of another country. The risk might be the value of the investment might go down or become lesser especially when it comes to currency conversion. Country risk is also taken into consideration with regards to investment. This is the uncertainty over the political or economic environment in which the investment is located. A major factor for investment decisions is the political and economic stability of a particular country where the investment is located, this is because, the more stable the political and economic environment is, the more investors are attracted and therefore, the more profit the company may generate. Another risk to be considered is the credit risk or the uncertainty over whether the issuer of a fixed income security will deliver the contractual cash flows which means, the ability of Microsoft to attract creditors for additional financing or its ability to collect money form its deliveries and services to its customers who purchased on account. Sometimes, credit risk is also carried when creditors were

Network and Operating System Investigation Research Paper

Network and Operating System Investigation - Research Paper Example The Internet banking facilities consist of funds transfer, online shopping, credit card transactions, prepaid vouchers of different mobile phone companies and much more. Moreover, an Internet service provider (ISP) provides internet services to corporate organizations, home users, and small business. If the security of an ISP is compromised, then the hacker may be able to access all the systems that are ultimately the clients of the company. Likewise, ISP also provides site-to-site VPN connectivity from where all the classified data is encrypted from one end to the other. Furthermore, government based organizations also provide information services on the Internet along with defense agencies that are controlled and monitored by the military, once hacked, the impacts can be devastating if the hackers become vulnerable. This can also result in disrupting relations between the two countries. Similarly, a multi-national organization wants to be top of the competition by endearing the com petitive advantage, in order to make its presence stronger, several online features made available, providing more opportunities for hackers and cybercriminals. Why IDS As per network dictionary, IDS is defined as â€Å"Intrusion detection system (IDS) is a type of security management system for computers and networks. An IDS gathers and analyzes information from various areas within a computer or a network to identify possible security breaches, which include both intrusions and misuse†. IDS are of many types and organizations choose the best possible type that suits their prioritized mission-critical systems. The types include network-based IDS, host-based IDS, and software-based IDS. These types are further categorized into signature-based IDS which is also referred to as misuse detection, and Anomaly Detection. The functionality of ‘signature-based IDS’ is dependent on known signatures. The word ‘known’ is important because threats that are detec ting so far are categorized as known threats and are called signatures. Signature-based IDS only detect threats similar to the defined available signatures and do not comply with any new threat. Whereas, Anomaly-based IDS detect unknown activities within the network and detect them as threats and vulnerabilities. Defining Computing Forensics Discussing computer forensics in the context of law enforcement agencies or incorporate security, it will lead to a conclusion of a subject that covers the utilization of computers to catalog physical evidence that is analyzed in other forensics techniques including biometric identification, analyzing DNA and dental evidence. Current technological trends have revolutionized the methods of storing data along with different advanced access mechanisms. These systems facilitate law enforcement agencies by providing instant access to these characteristics. Although, computer forensics also facilitates the investigation of crimes within themselves in order to gather evidence associated with criminal activities that breach the violation of an organizations policy. The data can be extracted from storage devices including hard drives, flash drives, and memory cards etc. (Computer Forensics – a Critical Need in Computer. (n.d.)) Digital Forensics for a Database In order to conduct data forensics, some of the particular methods are mentioned below: Data dictionary extraction is achievable in flat files and ‘redo’ log files.

A Career as an Animator Essay -- Career Research Paper

Animations are a series of drawings, computer graphics, or photographs of objects, like puppets and models, which are different from each to create a variety of entertainment for the audiences. Animations are what brings excitement and mystery, hooking the audience in through interest. It is a form of some sort of â€Å"magic† where things that aren’t real but from the imagination comes to life in front of people who live these mundane, ordinary lives, adding color to the eyes and mind. The creators of such amazing arts and creation are animators. Animators are people who create images such as drawings or computer generated things to come to life through graphics. This job is quite suitable for those who have creative artistic skills such as drawing or modeling, in addition to good computer skills in order to communicate with the audience with accurate detail of the images which contribute into the motion pictures. Work done by animators are everywhere; they are commonly found in films, shows, commercials, pop videos, computer games, websites and other sorts of media and entertainment. These works are done by obtaining images of each movement and, done in a certain way, it turns into some sort of amazing piece of the character’s or object’s actions. A standard animator is to be creative and artistic. Many artistic people go into the field of animation. Animation holds many advantages and opportunities. Multimedia artists and animators put their creative work on the Internet. If the images become popular, these artists can gain more recognition, which can lead to future employment or freelance work. With drawing and sculpting skills for stop frame animations, these artist should be patient to concentrate and passionate on what they ... ..." Animator Job Information. N.p., n.d. Web. 09 Apr. 2014. . (3) "Animator." - Job Description, Salaries, Benefits and Useful Links. N.p., n.d. Web. 09 Apr. 2014. . (4) "Summary." U.S. Bureau of Labor Statistics. U.S. Bureau of Labor Statistics, n.d. Web. 09 Apr. 2014. . (5) "Animator: Required Education For a Career in Animation." Education Portal. N.p., n.d. Web. 12 Apr. 2014. . (6) "Best Animation Studios." - Top Ten List. N.p., n.d. Web. 12 Apr. 2014. . (7)

Diabetes: Evidence Based Diagnosis Tool Essay

Diabetes is a major health concern in the United Stated affecting 29.1 millions or about 9.3% of the population with new diagnosis of 1.7 millions in 2012 (ADA, 2014). According to ADA, there are about 8.1 millions undiagnosed diabetic patients in the US. With this figure, it is important that we have a proper tool to diagnose diabetes accurately. This will help to devise a proper intervention if the disease is diagnosed easily and accurately. Person with diabetes are unable to use and store glucose, which then stays in that person’s bloodstream and causes blood glucose level to rise. There are two types of diabetes. Type 1 is called adolescent diabetes or insulin-subordinate diabetes, where body does not create any insulin. Individuals with sort 1 diabetes must take insulin day by day. Type 1 diabetes generally happens in kids. In the US, five percent of total diabetes patients suffer from type 1 diabetes according to American Diabetes Association. Daily insulin intake with other medication as needed is the treatment of choice for type 1 diabetes patients. In type 2 diabetes, body does not create enough insulin or is not able to utilize insulin as required. Commonly, type 2 diabetes occurs to people who are over 40. Not having or failure to utilize insulin leads to higher blood glucose level, which could damage kidney, heart, eyes, and nerves. Management of type 2 diabetes is complicated. Early diagnosis is importa nt so that proper control and intervention can be done to avoid further damage of organs (ADA, 2014) Person with diabetes will show common symptoms but for laboratory test will confirm the disease. Laboratory testing of person’s blood is important. There are several types of blood tests that can be done to find out blood glucose level of the patient. â€Å"Conventionally, blood glucose levels measured either in the fasting state or following a standard glucose load have formed  the basis for diagnosis of diabetes (Florkowski, 2013).† Blood glucose level could be misleading especially when patients haven’t eaten or are ill (ADA, 2014). So, taking a blood glucose sample at a particular time instead of averaging out over time will not give a correct glucose reading. HbA1C test as a laboratory tool for diagnosing the diabetes have proven to be more precise and conclusive and reflective of the person’s glucose level over time. According to Florkowski, HbA1C provides an information of chronic glucose level instead of a single point in time. It provides an integrated reference of glucose over the lifespan of red blood cells, which is 120 days. â€Å"It therefore seems logical that such a test would be appropriate in diagnosing a disease characterised by chronic hyperglycaemia and a gradual progression to complications (Florkowski, 2013).† Also, the test itself is very convenient for patients because they do not have to fast and a single test is sufficient. Florkowski presents a massive study with 44623 participants aged 20-78 with retinal photographs to show that HbA1C test is as effective as or better than other glucose tests. The study analyzed the relationship between diabetic specific retinopathy and three blood glucose measures. The study found that fasting plasma glucose and Hba1c have slender edge runs inside which event of diabetes-particular retinopathy starts to increment impressively. The occurrence of retinopathy was small with HbA1C  prevention measures can be done at early stage of the disease and complications related to diabetes can be reduced. American Diabetes Association. (2010). Retrieved from www.diabetes.org on November 9, 2014. Florkowski, Chris (2013), HbA1C as a Diagnostic Test for Diabetes Mellitus – Reviewing the Evidence, Clin Biochem Rev., 34(2): 75–83.

Southern Colonies vs New England Colonies - 713 Words

Early life in the Americas consisted of great diversity as well as some similarities between colonies. During the colonial time period from about the 1600’s through the 1700’s, the thirteen original colonies were founded and divided among three major sections known as the New England colonies, the Middle colonies, and the Southern colonies. The New England colonies consisted of Massachusetts, Rhode Island, Connecticut, and New Hampshire. The Middle colonies contained New York, New Jersey, Pennsylvania, and Delaware. The Southern colonies included Virginia, Maryland, Georgia, South Carolina and North Carolina. Geography was a primary influence on the colonial way of life. The New England colonies and the Southern colonies vary†¦show more content†¦The northern region was more industrious than the southern region. Even though these two regions have many different characteristics with the economy, they had some similarities. 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