Green’s theorem reinterpreted We begin with the situation obtained in Section 12C for a region R in R2 . With the positive orientation for bdR‚ we have ∂f dxdy = ∂x R f dy‚ bdR ∂g dxdy = − ∂y R gdx. bdR We now consider a vector field F = (F1 ‚ F2 ) on R‚ and we obtain from Green’s theorem ∂F1 ∂F2 + ∂x ∂y R dxdy = F1 dy − F2 dx. bdR (Notice if we were thinking in terms of Stokes’ theorem‚ we would put the minus sign on the left side instead of the right.) We now
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Technology in the Security Field 7/23/2012 SEC/360 Technology in the Security Field Security and safety is the most important aspects in a security setting. The techniques that officers use to ensure security and safety are enhancing through the advancements in technology. Changes have been significant from the time before computers and the current status of high-tech computers and other technology. The changes have brought both positive and negative effects
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key to developing a career in that field. Proper training is required once you realise you want to develop your talent in a particular sport. Apart from facilities‚ it is crucial to find a good coach at the right age. Once you are on the right track‚ no one can stop you from turning professional and making a career in this field. This industry has many other opportunities and one can be part of the sports brigade by choosing to work in a sports related field. Opportunities that can be found within
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Hemispheric disconnection and unity in conscious awareness - Sperry 1968. Evaluation In 1968 the neuropsychologist conducted a study into split brain patients while working at the California Institute of Technology. Previously he had carried out research similar to this‚ in the1950s‚ splitting the brains of cats and monkeys. It was during this research that he realise3d that you could teach one of the hemispheres a task‚ while keeping the other hemisphere unaware of the information learned. This
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History of medicine Aviation medicine Safety is the paramount principle of aviation. Aviation medicine is a major element of aviation safety. In a regulatory context it has to make sure that pilots have the physical capacity to fly and that the risk of a medical incapacitation is neglectable. What constitutes medical fitness for flying is not as simple as mere absence of disease. Good health does not always mean fitness for flying‚ nor does bad health necessarily mean unfitness. Sometimes
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of phenomena exhibited by a magnetic field. In physics there are a few types of magnetism. In this paper only three types will be covered which are ferromagnetism‚ paramagnetism‚ and diamagnetism. Ferromagnetism is considered the strongest type of magnetism‚ as it is a permanent magnet. A permanent magnet is one that remains a magnet after being magnetized by an outside magnetic field. Ferromagnetism is a type of magnetism that produces its own magnetic field that is what makes it unique among
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by: W=qΔV The purpose of today’s activity is to make you familiar with the shape and appearance of these equipotential surfaces and their replationship to the electric field. 1. After you have logged on to the computer‚ go to the resources page of the website and click the button labeled “Potential Surfaces and Electric Fields Activity” and save it to the desktop. Open the program from the desktop and maximize the screen. You will see an area for grabbing charges that can be placed in the area
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the magnetic leakage field in a transformer. The main tool for solving this problem in KPT is a computer programme for the calculation of the magnetic leakage field in the transformer window‚ by means of which the magnetic field in a cylindrical coordinate system is determined at any point in or around the winding. Although stray losses‚ as a rule‚ are linked with the magnetic leakage field of windings‚ the high-current loops and their respective magnetic fields should not be neglected
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volatile random access memory which uses magnetic storage and Magneto resistance(MR) to read the stored data. Magneto resistive material is a resistor made of common ferromagnetic material which will change in resistance in the presence of a magnetic field. The magneto resistive property gives a small but sufficient signal to
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in Ancient Greece where the game may have been called kerētízein or kerhtízein (κερητίζειν) because it was played with a horn or horn-like stick(kéras‚ κέρας)[4] In Inner Mongolia‚ the Daur people have been playing beikou‚ a game similar to modern field hockey‚ for about 1‚000 years.[5] Most evidence of hockey-like games during the Middle Ages is found in legislation concerning sports and games. Similar to Edward’s proclamation was the Galway Statute enacted in Ireland in 1527‚ which banned certain
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