Apollonius of Perga Apollonius was a great mathematician‚ known by his contempories as " The Great Geometer‚ " whose treatise Conics is one of the greatest scientific works from the ancient world. Most of his other treatise were lost‚ although their titles and a general indication of their contents were passed on by later writers‚ especially Pappus of Alexandria. As a youth Apollonius studied in Alexandria ( under the pupils of Euclid‚ according to Pappus ) and subsequently taught at the university
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Archimedes was among the greatest mathematicians of antiquity. Mathematicians usually cover a breadth of topics within mathematics in their undergraduate education‚ and then proceed to specialize in topics of their own choice at the graduate-level. In some universities‚ a qualifying exam serves to test both the breadth and depth of a student’s understanding of mathematics; the students who pass are permitted to work on a doctoral dissertation. A mathematician is a person with an extensive knowledge of mathematics who
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SERVICE TECHNICAL BULLETIN : 18 ROAD TRAFFIC ACCIDENT/RESCUE EQUIPMENT SECTION 18.3 : TIRFOR T516 COILAMATIC CONTENTS 18.3.1 INTRODUCTION 18.3.2 DESCRIPTION/SPECIFICATION 18.3.3 OPERATIONAL USE 18.3.4 CLEANING/TESTING 18.3.5 HEALTH AND SAFETY 18.3.1 INTRODUCTION The Tirfor is a light duty winch‚ able to be used for many lifting and pulling jobs. This Service Technical Bulletin outlines the basic capacities and safe working procedures for the Tirfor T516 as used within
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A fertilizer spreader is a metal hopper with an adjustable trough underneath for applying an even layer of fertilizer over lawns and gardens. Some spreaders connect with a tow hitch to the back of a tractor. Smaller models have a handle and wheels for pushing the spreader yourself. As with all garden tools‚ cleaning your spreader after each use will prolong the life of the equipment and ensure proper operation. A garden hose may be used‚ but a power washer works best. 1. Empty the hopper of all
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Shiaa K PHIL 1020: Ethics Paper #1 Supposing I observed a runaway train at the rail-yard and if it continues hurtling in the direction it is going‚ it will kill five people. Luckily for me‚ I’m standing next to a power switch and if I pull the lever of the switch‚ the train will divert into a different track. However‚ there is one person working on this track and if I pull the switch‚ that rail worker will die. Here’s what I would do. I would in fact pull the lever of the switch to spare the
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INTRODUCTION Laboratory experiment 5 is an exercise in hydrostatic. It is designed to demonstrate the stability of a floating cylinder and to familiarize the student with the concept of buoyancy‚ metacenter and metacentric height. It is also an experimental verification of the theory presented in the textbook. The center of the buoyancy of a floating body depends on the shape of the body and on the position in which it is floating. If the body is disturbed by a small angle of heel‚ the center
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Fieldwork No. 01 LAYING-OUT A SIMPLE CURVE Name : Weather : Group No. : Place : Designation : Time‚ Start : Instructor : End : Objectives a. To layout a simple curve on the ground using the method of deflection when the entire curve is visible from the beginning of curve (B.C.). II. Instruments 1 unit - Engineers transit 1 pc - Plumb bob 1 roll - string 1 pc - 50-meter tape 10 pcs - marking pins
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Torques Introduction During this lab you will become more familiar with the concepts of torque. The purpose of this lab is to determine if the rotational equilibrium condition‚ Στ = 0‚ holds experimentally. Equipment Meter stick (1) - no metal ends Fulcrum (1) Clamps (4) Weight Hanger (1) Mass Set (1) Digital Scale (1) Theory For a body to be in static equilibrium‚ two conditions have to be met: ΣF = 0 and Στ = 0 where F is force and τ is torque. (The torque is the force times the lever arm
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CIEG-306 Fluid Mechanics Laboratory 2. Stability of a Floating Body Objective The objectives of this experiment are: 1. to measure the angle of inclination at which an eccentrically loaded body floats‚ 2. to observe the circumstances under which a floating body is unstable‚ and 3. to compare the observed results with theoretical predictions. Apparatus The apparatus consists of an open plastic box (‘barge’) which floats in water and carries a mast (Figure 1). A plumb-bob suspended from the
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Dash8 - Q400 - Propeller 1. General The propeller control system consists of the following components: • • • • • Propeller Electronic Control (PEC) Unit Propeller Pitch Control Unit (PCU) High Pressure PCU Oil Pump and Propeller O/S Governor Units (referred to as overspeed governor) Propeller Feathering Pump Propeller System Sensors The function of the propeller system is to modulate the propeller blade pitch to control the propeller speed in flight constant speed modes and in reverse‚ and to
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