EEE233 (SEM2-2012/13) TUTORIAL 1: PARTIAL DIFFERENTIAL EQUATIONS 1. Solve the following equations a) ∂2u∂x2=24x2(t-2)‚ given that at x=0‚ u=e2tand ∂u∂x=4t. b) ∂2u∂x∂y=4eycos2x‚ given that at y=0‚ ∂u∂x=cosx and at x=π‚ u=y2. 2. A perfectly elastic string is stretched between two points 10 cm apart. Its centre point is displaced 2 cm from its position of rest at right angles to the original direction of the string and then released with zero velocity. Applying
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Have you ever felt miserable with sniffles and sneezing from a common cold and reaching for a bottle of Airborne® supplements to treat your cold symptoms? Or paranoid of getting sick in a closed congested area like a airplane? It’s not uncommon to take this supplement for a immune booster. Airborne is an herbal and vitamin supplement that was created by former second-grade school teacher Victoria Knight McDowell. Combined with all essential nutrients; zinc‚ magnesium‚ selenium‚ echinacea‚ forsythia
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Statement of Purpose The group aims to identify the generic strategy Airborne Express is pursuing‚ whether such strategy is sound in the context of air express industry. The company’s strengths and weaknesses are evaluated with the opportunities and threats to identify the distinctive competency that it can adapt. Statement of the Problem The group endeavors to identify the strategy that Airborne Express can implement to its domestic and international operations. Assessing the strategic
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HIV transmission HIV is present to variable degrees in the blood and genital secretions of almost all individuals infected with HIV.The spread of HIV can occur when these secretions come in contact with tissues such as those lining the vagina‚ anal area‚ mouth‚ or eyes (the mucus membranes)‚ or with a break in the skin‚ such as from a cut or puncture by a needle. The most common ways in which HIV is spreading throughout the world include sexual contact‚ sharing needles‚ and by transmission from infected
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The History of The 101st Airborne The one hundred and first airborne won their fame and reputation during the Second World War‚ the one hundred and first Airborne Division (Air Assault) can trace its lineage back to World War I. In the build up for the Great War‚ the 101st Division was originally activated on July 23‚ 1918. The Division was demobilized in December of 1918. In 1921 the 101st Infantry Division was reconstituted as a reserve unit with headquarters in Wisconsin. This is where the
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needs no “cause.” Slide 4-8 Seat Belts: An Application of Newton’s First Law Slide 4-9 What Is a Force? A force... force ... is a push or pull. ... is a vector. ... acts on an object. object ... requires an agent. agent ... is a contact force or a long-range force. Slide 4-10 Force Vectors Slide 4-11 → A Short Catalog of Forces: Weight w → Slide 4-12 → Spring Force Fsp Slide 4-13 Tension Force T Slide 4-14 Normal Force n
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Metallic Cable Transmission Media Introduction Transmission media -It is included in the lowest layer of the OSI protocol hierarchy – the physical layer. -Transmission medium is simply the path between a transmitter and a receiver in a communications system. Guided Transmission media -some form of conductor that provide conduit in which signals are contained -the conductor directs the signal examples: copper wire‚ optical fiber Unguided Transmission media -wireless systems – without
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running head: UNIT 10. ASSIGNMENT Environmental Microbiology With so much advertising for various antibacterial products‚ many people have gotten the impression that all bacteria are harmful and that maybe the Earth would be better off if all bacteria were eliminated. What would life be like in a bacteria-free world? Bacteria help decay materials and put vitamins and minerals‚ and gases into the atmosphere. Without them the world would be able to produce little food. Bacteria are woven into
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TRANSMISSION LINES Introductory Lecture Engr. Duwi E. Iscala SoE/APC What are transmission lines? • Transmission lines are pieces of wire or cable used to carry telephone signals‚ computer data in LANs‚ TV signals in cable TV systems‚ and signals from a transmitter to an antenna‚ or vice versa. Transmission Line • Definition: – Any means of conveying signal or power from one point to another What are the different types of transmission lines? • Parallel-wire lines What are the
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Running Head: SYNAPTIC TRANSMISSION Synaptic Transmission Grand Canyon University PCN 310 Synaptic Transmission They can proceed in several ways‚ both presynaptically and postsynaptically. They can influence how vesicles issue neurotransmitters‚ how neurotransmitters are cleaved/reuptake‚ they can hinder receptors‚ destroy receptors‚ and agonistically join to receptors which mimic the neurotransmitter. These are a few. Synapses are vital to the function of the nervous system. The most
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