acoustics‚ electromagnetic‚ and fluid dynamics. Historically‚ the problem of a vibrating string such as that of a musical instrument was studied by Jean le Rond d’Alembert‚ Leonhard Euler‚ Daniel Bernoulli‚ and Joseph-Louis Lagrange. Figure 1-Wave Diffusion Wave equation has many applications. The ideal-string wave equation applies to any perfectly elastic medium which is displaced along one dimension. For example‚ the air column of a clarinet or organ pipe can be modeled using the one-dimensional
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Fluid Mechanics Report Instruction Water turbine is a very common used throughout the world to generate power. Although the concept of the Impact of a Jet is essentially simple‚ and it can has a highly hydraulic efficiency‚ the factor of how can produce a powerful reaction force back is also has to be considerate truly. If we can manage well‚ we can determine the best situation and the optimum deflection angle out‚ for getting the optimum force that the impact can produce. But first of all‚ we
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MECHANICAL PROPERTIES OF FLUIDS 1 Torricelli’s barometer used mercury. Pascal duplicated it using French wine of density 984 kg m-3. Determine the height of the wine column for normal atmospheric pressure. 2 A vertical off-shore structure is built to withstand a maximum stress of 109 Pa. Is the structure suitable for putting up on top of an oil well in the ocean? Take the depth of the ocean to be roughly 3 km‚ and ignore ocean currents. 3 A hydraulic automobile lift is designed to lift cars with
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BRIDGE CROSSINGS WITH DUCTILE IRON PIPE ® BRIDGE CROSSINGS WITH DUCTILE IRON PIPE Introduction The Ductile Iron Pipe Research Association (DIPRA) periodically receives requests from engineers and contractors concerning recommendations on the design and/or installation of pipelines spanning waterways‚ highways‚ and railroads. Because the variables involved in such installations present numerous alternatives and challenges for designers and contractors‚ DIPRA does not provide recommendations
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Think about mice racing each other. Would they prefer a smooth floor or a rough floor? This experiment will tell which floor the mice go faster on. To make this experiment work correctly‚ you would need to figure out what you need for this experiment‚ what would be contained in the experimental group‚ and how you would do it. The first thing before testing the mice‚ are figuring out what our materials are. You can’t just have a couple of mice run across the floor since you wouldn’t know the speed
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1. The primary approach of detecting fraud is anonymous tips and complaints. An organization like business entity should guide employees to provide useful information and to provide various ways and methods for individuals to contribute such kind of information. On the other hand‚ when the organization received the information provided‚ it should have an effective and efficient way to collect and process these complaints‚ dissatisfaction and information. 2. One of the important thing in fraud
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English Module one - Introduction to Barometer Rising (Sunday) 1 Assignment for submission in this module (see #4 below) Textbook activities and Assignment: 1. Read the following in Barometer Rising by Hugh MacLennan: Sunday 2. Make notes for these pages‚ which you feel will help you later in this course. 3. Complete the following for your own records: a) Summarize the events found in the Introduction and those that occur on Sunday in the novel. It is important to keep a running summary
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2013/2014 Assignment 1 (10 marks) Answer ALL the questions. 1. Discuss briefly fluid mosaic model for membrane structure. (6 marks) Answer: The lipids and most of the protein in the plasma membrane are free to bob about‚ sliding from one location in the membrane to another. Because lipids and proteins move about laterally within the membrane‚ the membrane is a fluid mosaic of lipids and proteins. The membrane fluid is since the composition of any location on the membrane can change. In the same
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Irish Bagpipes (Brian Boru pipe) The bagpipes have been a huge part of Irish music for many years. Today the bagpipe is synonymous with Scotland‚ but the pipes really came from Ireland. The earliest bag pipes date back to 4000 B.C. in the Middle East‚ where a bagpipe is found in Chaldean sculptures. This evidence shows it is ancient‚ certainly as old as the harp and nearly as old as the drum. Greeks‚ Egyptians and Romans all marched to the sound of the pipes to battle. As
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Experiment 18 Chemistry 101 Redox Titration: Determination of the Percentage of Iron in a Sample INTRODUCTION The concentrations of redox-active species can be determined by redox titrations. In a redox titration‚ a measured sample of the unknown is titrated against a standard solution of a substance that will oxidize or reduce the unknown. In the present experiment you will take a sample containing iron‚ add acid to dissolve it [thereby converting all the iron to iron(II)]‚ then
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