Department of Mechanical Engineering MENG 263 TUTORIAL 1 Q1. The motion of a particle is defined by the relation x 2t3 6t2 10‚ where x is expressed in m and t in seconds. Determine the time‚ position‚ and acceleration when v 0. ( Ans. x 2m‚ a 12 m/s2 ) Q2. The motion of a particle is defined by the relation x 2t3 -15t2 24t 4‚ where x is expressed in meters and t in seconds. Determine (a) when the velocity is zero‚ (b) the position and the total distance traveled when the
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Topic 9 - The Carbon Cycle Aspects of the carbon cycle are similar to the hydrologic cycle because both are good examples of “Interactions between the systems". Textbook – topic not covered in text. http://www.windows2universe.org/earth/ The Carbon Cycle Neglecting the small amount of carbon (C) added to Earth by meteorite impacts‚ there is a fixed amount of carbon on Earth (~800‚000 billion tonnes). All living things are made of carbon but carbon is also a part of the ocean‚ air‚ and
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CYCLE OF THE INFANTRYMAN by LCPL BACH‚ GEORGE The Cycle of the Infantryman applies to fire and maneuver for a combat element. For example purposes the buddy team will be our combat element and a static enemy position (e.g. bunker) will be the target. The phases of the cycle are SHOOT‚ ASSESS‚ MOVE‚ AND KILL. The cycle may loop until there is no longer an enemy threat or until target position is gained. The following is a break down of each phase. -SHOOT During this phase of the cycle a base of
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Elena Chen CH 221-227 November 3rd‚ 2009 Lab Report #3: Copper Cycle Abstract: The purpose of the experiment is to cycle solid copper through a series of five reactions. At different stages of the cycle‚ copper was present in different forms. First reaction involves reaction between the copper and nitric acid‚ and copper changed from elemental state to an aqueous. The second reaction converted the aqueous Cu2+ into the solid copper (2) hydroxide. In the third reaction Cu(OH)2 decomposed into
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Carbon Cycle Living organisms are significant in the recycling of numerous elements contained in an ecosystem. One of the elements is carbon. Carbon is nonmetal‚ forms over ten million different compounds‚ found in minerals‚ oceans‚ and is the main component of biological compounds. So how do living organisms and their biochemical reactions contribute to the recycling of carbon? Carbon moves through the ecosystem in a cycle‚ in which the living organisms take and release
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BUSINESS CYCLES Trend and cycle of the business cycle Phases of the cycle Pro‐cyclical‚ counter‐cyclical‚ and a‐cyclical variables Lead‚ lagged‚ and contemporary variables Stylized facts and cyclical behavior of key macroeconomic variables 2 BUSINESS CYCLES Over time GDP grows but not in a linear way GDP 2006 constant prices (in logs) 6.5 6.3 6.1 5.9 5.7 5.5 5.3 5.1 4.9 4.7 4.5 3 BUSINESS CYCLES Time Series Components 1. 2. 3. 4. Trend (long‐run) Cycle (short‐run)
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Managing the Project Cycle 1. The assessment and planning phase 1.1 Training your staff in Project Cycle thinking 1.2 Identifying the real problems and needs 1.3 Stakeholder analysis 1.4 Problem analysis 1.5 Project planning and design 1.6 Strategic planning 1.7 Defining indicators 1.8 The action plan 1.9 The budget 1.10 Addressing the risk of a negative outcome 2. The implementation and monitoring phase 2.1 Monitoring 2.2 Participatory Impact
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The Main Parts of the Water Cycle The main parts of the water cycle are evaporation‚ condensation‚ and precipitation. They go together in a circle/cycle called the water cycle. None of these parts can be missing. (Well‚ everything in the water cycle is needed.) Evaporation- Evaporation is when water turns into water vapor and flows up into the sky. You can’t see it because it’s now gas and gas is invisible. Evaporation usually happens on hot‚ rainy days because the sun’s energy
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THE ROCK CYCLE ● ● ● ● There are three main types of rocks: igneous‚ sedimentary‚ and metamorphic. Each of these types of rocks are formed in different ways and each type of rock can be changed into the other types of rock. This process is called the Rock Cycle. The rock cycle is the process that makes and recycles rocks. IGNEOUS ROCKS ● ● ● ● ● ● Igneous rocks are formed from magma. Magma cools and solidifies into rock. When igneous rocks are exposed on the surface‚ time and weather break the
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Cycles in Biology Cycles in biology play a fundamental role in the world that we live in. Cycles occur all around and inside of us in many different forms‚ from the Krebs to the Calvin cycle. There are large scale cycles happening and they are essential in regulating the nutrients and substances that are around us which without‚ life on earth could no function. One of the largest cycles that occurs all around us is in everyday life is the carbon cycle. The current atmospheric
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