... right-angled triangle ABC with ∠A = 900 , AB = c, AC = b Let E ∈ AC and F ∈ AB such that ∠AEF = ∠ABC and ∠AF E = ∠ACB Denote by P ∈ BC and Q ∈ BC such that EP ⊥ BC and F Q ⊥ BC Determine EP + EF ... Consider a convex quadrilateral ABCD Let O be the intersection of AC and BD; M, N be the centroid of AOB and COD and P, Q be orthocenter of BOC and DOA, respectively Prove that M N ⊥ P Q Q9 Consider ... the circle? Q7 In ∆ABC, P Q//BC where P and Q are points on AB and AC respectively The lines P C and QB intersect at G It is also given EF//BC, where G ∈ EF , E ∈ AB and F ∈ AC with P Q = a and...
Ngày tải lên: 07/03/2014, 19:20
... friction force between the stick and the circle is also Ff , because the torques from the two friction forces on the circle must cancel Looking at torques on the stick around the point of contact ... → (which corresponds to a very long stick), the friction force approaches ρgR/2, which isn’t so obvious 17 Leaning sticks and circles Let Si be the ith stick, and let Ci be the ith circle The ... through space and time Chapter 11 covers relativistic dynamics – energy, momentum, force, etc Chapter 12 introduces the important concept of “4-vectors.” The material in this chapter could alternatively...
Ngày tải lên: 27/06/2014, 05:20
FUEL CELLS Problems and Solutions pdf
... electrodes (electronic conductors) are in contact with an electrolyte (the ionic conductor) Another variety of galvanic cells are electrolyzers, where electric current is used to generate chemicals ... as electrolytes and electrodes in solid-oxide fuel cells are given in Chapter xvii xviii EMF EPS ET-PEMFC FCV GDL GDM GLDL ICE ICV IRFC IT-SOFC LHV LPG LT-SOFC MCFC MEA MMP MPL MSCP OCP OCV ORR ... Ox,ox PAFC PBI PCB PD PEEK PEMFC PFSA POX PSDF PTFE PVD Red, red SC-SOFC SHE SOFC SR SSA SWCNT URFC UTC WGSR ABBREVIATIONS AND ACRONYMS electromotive force electrochemical power source elevated-temperature...
Ngày tải lên: 28/06/2014, 21:20
EVALUATION OF THE REAL SITUATION OF IMPORT ACTIVITIES OF VIETNAM ENERGY DEVELOPMENT SUPPORT JOINT STOCK COMPANY FROM 2009 TO 2011. PROBLEMS AND SOLUTIONS.
... research market, find partner, sign and fulfill contract, provide capital, incur risks and costs of transaction, merchandise exchange and other costs related to goods consumption, customs 2.1.3.2 Commission ... establishment and development Our society is progress rapidly in accompany with the development of science and technology, sophisticated and highly susceptible microprocessor based on electronics and data ... demographic factors, culture, traditions, and natural conditions These factors will affect production practices and consumption habits of each country Law and business environment are external factors...
Ngày tải lên: 24/07/2013, 09:11
Tài liệu Global Warming A Mind Mapper''''s Guide to The Science and Solutions pdf
... report on the economics of climate change compiled by British Economist Sir Nicholas Stern) climate change will affect the global economy and could end up costing $7 trillion The main conclusion of ... atmospheric concentrations of Panel on Climate Change (IPCC) was created in greenhouse gases Scientists 1988 by the United Nations Environmental Program studying tree rings, corals and ice-cores ... a cycle of cynicism What is meant by the term cynicism? Cynicism is a destructive way of relating to the world A cynical person will see the world as a place that will always be filled with problems...
Ngày tải lên: 17/12/2013, 02:15
Tài liệu PROBLEMS AND SOLUTIONS IN MECHANICAL ENGINEERING doc
... macroscopic and microscopic approaches Which approach is used in the study of engineering thermodynamics (Sept 01; Dec., 03, 04) Or Explain the macroscopic and microscopic point of view.Dec–2002 ... thermodynamics, macroscopic approach is followed The results obtained are of sufficient accuracy and validity Statistical thermodynamics adopts microscopic approach It is based on kinetic theory ... the approach is complicated 6 / Problems and Solutions in Mechanical Engineering with Concept Q 8: Explain the concept of continuum and its relevance in thermodynamics Define density and pressure...
Ngày tải lên: 22/02/2014, 09:20
Air Pollution Burden of Illness from Traffic in Toronto: Problems and Solutions potx
... indicate health concern because they exceed health benchmarks for cancer or non-cancer effects For non-carcinogens, the health benchmark is the level without observable adverse impacts For carcinogens, ... transit and rideshare speed and convenience based on highoccupancy vehicle lanes Improves walking and cycling conditions More accessible, multi-modal land use development patterns Encourages ... desire to cycle (or cycle more) but that safety concerns prevent them from being more active Many current cyclists, and people who would like to cycle, are also concerned about breathing vehicle emissions...
Ngày tải lên: 06/03/2014, 16:20
Internet tra±c growth: Sources and implications pdf
... effects Since there is a less direct connection between network capacity and observed performance than in the voice network, upgrades in data networks can be postponed far more readily Since upgrades ... physical facilities, it will continue to be inexpensive to build new networks, and for a given cost, the network capacity that can be constructed will be climbing rapidly Advances in DWDM technology ... equipment cost declines are combined with the simplifications in network architectures (getting rid of ATM and SONET, etc.), as well as economies of scale, and improved network management tools, we could...
Ngày tải lên: 06/03/2014, 21:20
Problems and solutions on atomic, nuclear, and particle physics kuo lim
... Atomic, Nuclear and Particle Physics Compiled by The Physics Coaching Class University of Science and Technology of China Edited by Yung-Kuo Lim National University of Singapore World Scientific ... Nuclear and Particle Physics, Thermodynamics and Statistical Physics, Quantum Mechanics, Solid State Physics and Relativity, contains a selection of 2550 problems from the graduate-school entrance and ... Nuclear and Particle Physics which contains 483 problems is divided into four parts: Atomic and Molecular Physics (142), Nuclear Physics (120), Particle Physics (90), Experimental Methods and Miscellaneous...
Ngày tải lên: 17/03/2014, 14:38
INTRODUCTION TO CLASSICAL MECHANICS With Problems and Solutions pptx
... hiu c cỏch thc chuyn ng v c c hin tng c hc ca h c hc bi toỏn C c sinh viờn c n li thỡ hu nh l khụng nm chc c , ch gii c c c bi toỏn c hc c dng quen thuc theo mt c ch lm ó c bit v khụng c kh ... nhiờn cuc sng Cun sỏch s cung cp cho c c bn mt h thng c c c cu hnh v chuyn ng c hc t c bn cho n phc nhng rt thỳ v Na u ca cun sỏch (t Chng n Chng 9) c dch bi TS Trn Thanh Tun, v na sau ca cun sỏch ... tụi ch gii thiu c c khỏi nim v lc v moment lc c bn cn thit cho c c bi toỏn tnh hc iu ny s m cho chỳng ta mt lp c c bi toỏn Nhng c c c nguyờn lý c bn ca tnh hc c phỏt biu mt c ch nhanh chúng, c c...
Ngày tải lên: 20/03/2014, 04:20
Báo cáo " Teaching efl writing in Vietnam: Problems and solutions - a discussion from the outlook of applied linguistics " doc
... learners' communicative competence, which includes grammatical competence, sociolinguistics competence, strategic competence, and discourse competence (Savignon, [21]) In accordance with Davies' contention ... writing and language theories, psycholinguistics, SLA, formal linguistics, sociolinguistics, and applied linguistics The teachers also need to consider the connection between a writing course and ... above-discussed solutions reveal that the problems in teaching and learning EFL writing can be addressed by a variety of methods such as psycholinguistics, SLA, syntax, sociolinguistics, and pragmatics...
Ngày tải lên: 22/03/2014, 10:20
More Advanced Linear Programming Concepts and Methods pdf
... Introduce activities for borrowing and capital transfers Contingent Projects introduce permission constraints which allow one activity to proceed only if another is adopted Mutually Exclusive ... selection problems from amongst competing investment alternatives in the face of complex constraints These constraints mirror real world problems, and present a more realistic picture of actual ... More Activities and Constraints: this notion deals with more complex resource mixes, and more constraints, or combinations of projects Indivisible Investments: Most projects are not physically...
Ngày tải lên: 23/03/2014, 04:20
FUEL CELLS: Problems and Solutions potx
... electrodes (electronic conductors) are in contact with an electrolyte (the ionic conductor) Another variety of galvanic cells are electrolyzers, where electric current is used to generate chemicals ... as electrolytes and electrodes in solid-oxide fuel cells are given in Chapter xvii xviii EMF EPS ET-PEMFC FCV GDL GDM GLDL ICE ICV IRFC IT-SOFC LHV LPG LT-SOFC MCFC MEA MMP MPL MSCP OCP OCV ORR ... Ox,ox PAFC PBI PCB PD PEEK PEMFC PFSA POX PSDF PTFE PVD Red, red SC-SOFC SHE SOFC SR SSA SWCNT URFC UTC WGSR ABBREVIATIONS AND ACRONYMS electromotive force electrochemical power source elevated-temperature...
Ngày tải lên: 24/03/2014, 01:20
abel's theorem in problems and solutions - v.b. alekseev
... the cube and of the octahedron are isomorphic 125 In how many different ways is it possible to colour the surface of a cube with colours (a different colour for each face) if one considers two coloured ... topological proof, the monodromy group of any finite combination of the radicals being soluble, since the radical monodromy is a cyclical commutative group, whilst the monodromy of the algebraic function ... polynomial of second degree in such that within square brackets becomes a perfect square As was noticed above, in order for it to be a perfect square it is necessary and sufficient that the discriminant...
Ngày tải lên: 31/03/2014, 14:57
apress expert oracle database architecture 9i and 10g programming techniques and solutions sep 2005
... well in Oracle), and understanding how Oracle implements locking and concurrency control is absolutely vital to the success of your application This chapter discusses Oracle’s basic approach to these ... of locks that can be applied (DML, DDL, and latches) and the problems that can arise if locking is not implemented carefully (deadlocking, blocking, and escalation) Chapter 7: Concurrency and ... that comprise an Oracle database and instance I then move on to discuss important database topics such as locking, concurrency controls, how transactions work, and redo and undo, and why it is important...
Ngày tải lên: 07/04/2014, 15:46
yung-kuo lim. (ed.) problems and solutions on atomic, nuclear and particle physics for u.s. phd qualifiers (ws,2000)
... Nuclear and Particle Physics, Thermodynamics and Statistical Physics, Quantum Mechanics, Solid State Physics and Relativity, contains a selection of 2550 problems from the graduate-school entrance and ... Nuclear and Particle Physics which contains 483 problems is divided into four parts: Atomic and Molecular Physics (142), Nuclear Physics (120), Particle Physics (90), Experimental Methods and Miscellaneous ... = π c2 g1 · ΓIω ω g2 14 Problems and Solutions in Atomic, Nuclear and Particle Physics Introducing the form factor g(ω) and considering ω and Iω as average values in the band of g(ω), we can...
Ngày tải lên: 24/04/2014, 16:54