EXPERIMENT 2 Measurement of g: Use of a simple pendulum OBJECTIVE: To measure the acceleration due to gravity using a simple pendulum. Textbook reference: pp10-15 INTRODUCTION: Many things in nature wiggle in a periodic fashion. That is‚ they vibrate. One such example is a simple pendulum. If we suspend a mass at the end of a piece of string‚ we have a simple pendulum. Here‚ the to and fro motion represents a periodic motion used in times past to control the motion of grandfather and cuckoo clocks
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IEEE TRANSACTIONS ON POWER ELECTRONICS‚ VOL. 22‚ NO. 1‚ JANUARY 2007 Modulation-Based Harmonic Elimination Jason R. Wells‚ Member‚ IEEE‚ Xin Geng‚ Student Member‚ IEEE‚ Patrick L. Chapman‚ Senior Member‚ IEEE‚ Philip T. Krein‚ Fellow‚ IEEE‚ and Brett M. Nee‚ Student Member‚ IEEE Abstract—A modulation-based method for generating pulse waveforms with selective harmonic elimination is proposed. Harmonic elimination‚ traditionally digital‚ is shown to be achievable by comparison of a sine wave
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surface or groove that imparts motion to a follower ➢ Cams are very important and frequently occurring elements in many types of machines – especially AUTOMATIC MACHINES ➢ Cams are the heart of such automatic devices as automatic devices as automatic machine tools‚ record changers‚ mechanical calculators‚ cash registers‚ and many other devices. Types of Cams: Motions Used for Cam Followers: ➢ The motion of the follower is of primary interest
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Perak Trial Paper: Guided Writing Sample A Report on the English Camp 2012 Last week during the school holidays‚ the English Language Society of SMK Taman Desa organized an English Camp. The camp’s objective was to inculcate the use of English amongst the school students in a more fun and exciting environment. The camp was held during the weekend and it was rather special as the students did not stay overnight. Activities were held from 8.00 a.m. to 4.00 p.m. from Friday to Sunday. The
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CHE 317 "Simple Distillation" Interpretation of Results and the Report In addition to learning the technique of performing a distillation‚ you have had the opportunity to observe at first hand the behavior of a reasonably pure compound in the distillation process. You also measured quantities (temperatures) whose magnitudes you did not know beforehand. Title (be specific) Your Name Date Course Number (CHE 317-01) Introduction (give a brief statement about what a simple distillation is‚ what it is
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coefficient of kinetic friction. INTRODUCTION Friction is a part of our everyday life. Nearly every movement we make involves friction‚ and we have instinctively learned to take advantage of friction‚ or the lack of friction‚ since our childhood. Simple devices that rely on friction are everywhere around us. This workshop will help you see and appreciate the role of friction. As we study friction‚ lets also think about the differences between what scientists do and what engineers do. In
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Motion of the Cars In this part of the experiment‚ we are trying to figure out how fast each of the cars are moving using our own measurements. We are also asked to make a mathematical equation that describes the motion. What we plan to do is use 2 meter long meter stick to measure the distance of the cars and record the position at each time interval. After that an average velocity can be found. After we used the average velocity‚ we were able to put it into the equation of a line formula and
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Uniform Circular Motion PES 115 Report Objective The purpose of this experiment is to determine the relationships between radiuses‚ mass‚ velocity and centripetal force of a spinning body. We used logger pro to accurately measure the orbital period of the spinning mass and used these measurements to determine the interrelated interactions of the specified properties and viewed the results graphically. Data and Calculations The black markings on the string are about 10 cm apart in length‚ measured
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Criteria 6 8 10 Title Your lab report has a Title that is directly related to the lab experiment/ exercise. Your group or class must be able to come up with your own title You must make your own title based on scientific theory Aim You have clearly stated your aim Your aim is relevant and informative You must make your own aim based on scientific theory Background background information relevant to the lab experiment/ exercise You must be able to link your aim to the background The
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Hybrid Electric Vehicles (HEV) usually need power conditioning‚ typically rectification which uses non linear devices‚ that produces a non-sinusoidal line current due to their non- linear input characteristics. The reduction of line current harmonics for enhancing the efficiency is Power Factor Correction. For active power factor topologies‚ there exist bridged and bridgeless power converter circuits. This paper focuses on a bridgeless Interleaved Boost Converter (IBC) for shaping the line
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