Coulombs Law Definition in Science

Coulombs law is a physical  law stating the force between two charges is proportional to the amount of charge on both charges and inversely proportional to the square of the distance between them. The law is also known as Coulombs inverse square law. Coulombs Law Equation The formula for Coulomb law is used to express the force through which stationary charged particles attract or repel one another. The force is attractive if the charges attract each other (have opposite signs) or repulsive if the charges have like signs. The scalar form of Coulombs law is:F kQ1Q2/r2 or F ∠ Q1Q2/r2wherek Coulombs constant (9.0Ãâ€"109 N m2 C−2) F force between the chargesQ1 and Q2 amount of charger distance between the two charges A vector form of the equation is also available, which may be used to indicate both the magnitude and direction of the force between the two charges. There are three requirements which must be met in order to use Coulombs law: The charges must be stationary with respect to each other.The charges must be non-overlapping.The charges must be either point charges or else otherwise spherically symmetrical in shape. History Ancient people were aware certain objects could attract or repel each other. At the time, the nature of electricity and magnetism was not understood, so the underlying principle behind magnetic attraction/repulsion versus the attraction between an amber rod and fur was thought to be the same. Scientists in the 18th century suspected the force of the attraction or repulsion diminished based on the distance between two objects. Coulombs law was published by French physicist Charles-Augustin de Coulomb in 1785. It may be used to derive Gausss law. The law is considered to be analogous to Newtons inverse square law of gravity. Sources Baigrie, Brian (2007). Electricity and Magnetism: A Historical Perspective. Greenwood Press. pp. 7–8. ISBN 978-0-313-33358-3Huray, Paul G. (2010). Maxwells Equations. Wiley. Hoboken, NJ. ISBN 0470542764.Stewart, Joseph (2001). Intermediate Electromagnetic Theory. World Scientific. p. 50. ISBN 978-981-02-4471-2

Lasting Effects of the Islamic Revolution - 1595 Words

Lasting Effects of the Islamic Revolution of 1979 A) Plan of the investigation What effect did the Islamic revolution have on the country of Iran and it’s international relations? This is a very broad question so it much be asked and answered for many different levels of society. Looked at this way this question is actually collection of questions. What effect did the Islamic revolution have on the wealthy within the country? What effect did it have on the poor? What affect did it have on the government? What affect did it have on countries in the region? In order to conduct thorough research on this issue, it is necessary to investigate the phenomenon from a variety of angles. My plan is to Google â€Å"The Islamic Revolution of 1979 in†¦show more content†¦Before a 1979 Referendum that would establish the legitimacy of the parallel government, Khomeini told the nation that the country would not be called the Republic of Iran, not the democratic republic of Iran or the democratic Islamic republic of Iran since he did not want to see Islam â₠¬Å"denigrated† by the adjective â€Å"democratic.† He publically considered anyone that disagreed with this to be an â€Å"enemy of Islam and of God.† (Arjomand, 135). This was not necessarily the sort of revolution that the students and intellectual class had envisioned when they helped bring it about. The opinion of the educated middle class can be reflected by what the prominent Iranian man Dr. Bakhtiar said at a press conference when he remarked that unlike Lenin, Hitler, Nasser, and Castro, Khomeini did not know where he was leading the nation (Arjomand, 137). The effect of this take-over on Iran’s relationship to the USA and the west can still be felt in relations between these countries today. The Iranian hostage crisis led to a suspension of diplomatic relations between Iran and the USA as well as other Western democracies. While the Soviet Union accepted the legitimacy of the revolution, it initially supported attempts to reinstall the Shah as lea der. American leaders were determined to keep the Shah in power because of the cold war tensions, which caused them to fear that Soviet Communism would spread to Iran, should the Shah fall. (Cohen, 1). But whileShow MoreRelatedInfluence Of The Renaissance On Modern Europe1174 Words   |  5 Pagesthan the Renaissance, the Protestant Reformation, and the French Revolution. 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Female Genital Mutilations (FGM) free essay sample

An analysis of the legal and constitutional rights available today against FGM. This paper explores the issue of Female Genital Mutilations (FGM). The author presents the views of Amnesty International and the Feminist Majority Foundation on this issue. In addition, the author will examine the available legal or constitutional rights as a means of merely managing this global situation. Female Genital Mutilations (FGM) for more then a decade now has been the major concern for International organizations. FGM according to these organizations is not only violation against humanity but also human rights, thereby declaring it a constitutional and a legal issue. The Amnesty International, for example, have indicated that FGM is not necessary but only a cultural ritual that people perform from age old, pre-dating Islamic periods. Hence, it does not have any religious significance but a continuation of barbarian rituals. In this regard it is important that one weigh the pros and cons of the issue whether it has any weight from a constitutional or legal stand point of view. We will write a custom essay sample on Female Genital Mutilations (FGM) or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page The following discussion investigates this issue in the light of various media and intervention methods that could be utilized by the community.

Suggests deception and concealment Essay Example For Students

Suggests deception and concealment Essay At the start of the play one of the first words used by Nora is hide Whilst this word is used alongside the stage directions it suggests deception and concealment. Even though Nora uses the word hide in order to hide the Christmas tree from her children because she wants it to be a surprise for them, it makes the audience of the play think. It makes the audience aware of the fact that the word hide itself has set the scene. We realise that Nora may be hiding other things apart from the Christmas tree, we begin to realise that Nora may be hiding and concealing other things from her family besides just the Christmas tree. We will write a custom essay on Suggests deception and concealment specifically for you for only $16.38 $13.9/page Order now In this scene Nora gives money to a Porter, we already know from the stage directions that the Helmers are not exactly rich people, however the way in which Nora says to the Porter Heres a pound. No, keep it would make the audience think that Nora was from a very rich family, but at this stage as we already know that the Helmers are already having financial difficulties, it makes Nora look and seem as though she is a very irresponsible character. Where as Torvald is shown to be a very responsible character who is aware of all the financial problems of the family. However as the play goes on the audience come to realise that in fact Nora is aware of all the financial problems and she is not as irresponsible as she is made out to be at the beginning of the play. It is the reverse, Torvald is the irresponsible one not Nora. Nora is also shown to be very immature and like a child. From the start, Nora is infantilised: she sneakily munches macaroons when her husband isnt looking, and his pet names for her have a subordinating effect. Nora is also always creeping up on Torvald and checking on him while he is working in his study room. She even eaves drops at her husbands door. These are a few of the many elements used by Ibsen to show the level of immaturity of Nora. Noras husband, Torvald sees Nora as a child. He feels that she belongs to him and is possessive over her. He treats her like a possession that he uses when he wants or needs to and when he doesnt want to know her he just indulges and patronises her by speaking down to her, in a father-daughter like relationship. This makes it clear to the audience that the relationship between Nora and Torvald is not an adult relationship but is in fact a father-daughter relationship. The dialogues used by Torvald create plenty of animal imagery. He takes away Noras human identity by comparing her to an animal, thus dehumanising her. Torvald likes to call Nora a squirrel, this reflects on Nora as squirrels tend to hide nuts away from others in winter, in this same way it is winter and Nora is hiding all her secrets from others. Inheritance is a very important aspect of the play. It is an important reoccurring theme mentioned at the beginning of Act 1, however at this point in the play the aspect of inheritance has not been developed, but later we realise that inheritance is important in the play. Ibsen has cleverly mentioned heritance without fully developing the point, to prepare the audience for what has yet to come. Torvald compare Nora to her father: referring to inheritance from her father he says, you are an odd little soul. Very like your father. .u9d4a34f066fd69e69ed8d32371ec8d4a , .u9d4a34f066fd69e69ed8d32371ec8d4a .postImageUrl , .u9d4a34f066fd69e69ed8d32371ec8d4a .centered-text-area { min-height: 80px; position: relative; } .u9d4a34f066fd69e69ed8d32371ec8d4a , .u9d4a34f066fd69e69ed8d32371ec8d4a:hover , .u9d4a34f066fd69e69ed8d32371ec8d4a:visited , .u9d4a34f066fd69e69ed8d32371ec8d4a:active { border:0!important; } .u9d4a34f066fd69e69ed8d32371ec8d4a .clearfix:after { content: ""; display: table; clear: both; } .u9d4a34f066fd69e69ed8d32371ec8d4a { display: block; transition: background-color 250ms; webkit-transition: background-color 250ms; width: 100%; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #95A5A6; } .u9d4a34f066fd69e69ed8d32371ec8d4a:active , .u9d4a34f066fd69e69ed8d32371ec8d4a:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #2C3E50; } .u9d4a34f066fd69e69ed8d32371ec8d4a .centered-text-area { width: 100%; position: relative ; } .u9d4a34f066fd69e69ed8d32371ec8d4a .ctaText { border-bottom: 0 solid #fff; color: #2980B9; font-size: 16px; font-weight: bold; margin: 0; padding: 0; text-decoration: underline; } .u9d4a34f066fd69e69ed8d32371ec8d4a .postTitle { color: #FFFFFF; font-size: 16px; font-weight: 600; margin: 0; padding: 0; width: 100%; } .u9d4a34f066fd69e69ed8d32371ec8d4a .ctaButton { background-color: #7F8C8D!important; color: #2980B9; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://artscolumbia.org/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .u9d4a34f066fd69e69ed8d32371ec8d4a:hover .ctaButton { background-color: #34495E!important; } .u9d4a34f066fd69e69ed8d32371ec8d4a .centered-text { display: table; height: 80px; padding-left : 18px; top: 0; } .u9d4a34f066fd69e69ed8d32371ec8d4a .u9d4a34f066fd69e69ed8d32371ec8d4a-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .u9d4a34f066fd69e69ed8d32371ec8d4a:after { content: ""; display: block; clear: both; } READ: Analysis of Defense of poetry EssayMeaning she has inherited qualities from her father, whether they are good or bad qualities there is still reference to inheritance.  Ibsen also mentions a bookcase of Torvalds. Here Ibsen has chosen his vocabulary carefully. Ibsen uses a small bookcase rather than a big bookcase. This is so that the audience can see the restrictions for someone like Torvald who is supposed to be a well-educated man. The fact that there is a small bookcase shows us that Torvald lacks knowledge and is very narrow minded. The play has been termed to be a Well made play, which is true. The play had been well made by Ibsen as he left no loose ends and everything that happened in the play happened for a reason. The vocabulary used by Ibsen was also very cleverly chosen, as Ibsen did not waste words.  The opening scenes of the play forecast what will happen throughout the rest of the play, and how Nora travels through a journey from immaturity to maturity and from ignorance to knowledge.