Finite Elements in Analysis and Design 59 (2012) 66–75 Contents lists available at SciVerse ScienceDirect Finite Elements in Analysis and Design journal homepage: www.elsevier.com/locate/finel Improved braking torque generation capacity of an eddy current brake with time varying magnetic fields: A numerical study Kerem Karakoc a‚n‚ Edward J. Park a‚b‚ Afzal Suleman a a b Department of Mechanical Engineering‚ University of Victoria‚ PO Box 3055‚ Victoria‚ BC‚ Canada V8W 2Y2 Mechatronic Systems Engineering
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Introduction In biology there is a scientific principle known as the Hardy-Weinberg Equilibrium. In this principle it is believe that allele frequencies will remain the same among the different generations‚ depending on whether or not the five assumptions are taking place. In this experiment‚ students put the Hardy-Weinberg theory to the test. Out of the five assumptions‚ only two were conducted in the experiment‚ Natural Selection and Mutation. For those that do not know‚ the Hardy-Weinberg
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PDP Physics Lab Report – 01 NAME: Wang Xueqian DATE: 2014/06/21 Introduction In this experiment‚ we will investigate the relationship between the linear speed of an object and magnitude of centripetal force acting on it. We will use a stopper moving in a circle to create an upward force on the hanging mass; at equilibrium‚ the upward force on the mass will exactly equal the centripetal force. Apparatus Two-hole Stopper Plastic Tube Plastic Clip Electronic balance Hooked Masses Stop Watch String
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two pulleys 120 cm and 40 cm diameter on parallel shafts 4 m apart. The maximum tension in the belt is 1855 N. The coefficient of friction is 0.3. The driver pulley of diameter 120 cm runs at 200 rpm. Calculate: (i) The power transmitted. (ii) Torque on each of the two shafts. 4 A steel ball of diameter 150 mm rests centrally over a concrete cube of size 150 mm. Determine the center of gravity of the system‚ taking weight of concrete = 25‚000 N/m2 and that of steel 80‚000 N/m 2. Contd
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For Lab 1‚ my partner and I will be demonstrating the law in which connects the period of the pendulum‚ expressed as T‚ to the length of the string‚ expressed a L. The system the lab will be based on will include a pendulum with a weight of W suspended at a fixed point by the string with a variable length of L and an angle theta to be measured using a protractor. The variable T will be measured as the period of time needed for the weight of the pendulum to swing back and forth once. For part 1 of
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In the Tumble Buggy Lab‚ my partners and I used several different methods to calculate the velocity of a Tumble Buggy. The methods we used were a meter stick and a timer‚ a Spark Timer‚ a Photogate‚ and a Motion Sensor. Each method was different but overall‚ our velocities were very similar. Using the meter stick and timer‚ our velocity was 0.22 m/s. With the spark timer‚ our velocity was 0.26 m/s. Next‚ the velocity found with the Photogate was 0.325 m/s. Finally‚ when we used the motion sensor
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Introductory Physics I Elementary Mechanics by Robert G. Brown Duke University Physics Department Durham‚ NC 27708-0305 rgb@phy.duke.edu Copyright Notice Copyright Robert G. Brown 1993‚ 2007‚ 2013 Notice This physics textbook is designed to support my personal teaching activities at Duke University‚ in particular teaching its Physics 141/142‚ 151/152‚ or 161/162 series (Introductory Physics for life science majors‚ engineers‚ or potential physics majors‚ respectively). It is freely
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Experiment 7: Relative Density Laboratory Report Marella Dela Cruz‚ Janrho Dellosa‚ Arran Enriquez‚ Alyssa Estrella‚ Zacharie Fuentes Department of Math and Physics College of Science‚ University of Santo Tomas España‚ Manila Philippines Abstract The experiment was conducted to show the different methods on how to determine an object’s composition through its density and to determine an object’s density by displacement method and the Archimedes Principle. Results show that. The materials
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Date preformed: 18/11/14 Lab Report: Pauline Peczar! partners: Meg‚ Polina‚ Jessie ! Verifying Newton”s Second Law of Motion ! ! Purpose: The purpose of this lab was to verify Newton’s second law of motion by determining the proportionality between acceleration and mass‚ and between acceleration and net force.! ! Apparatus:! ! ! ! ! ! ! ! ! ! ! ! ! Materials: Dynamics cart‚ dynamics track‚ photogate‚ pulley‚ Lab Pro‚ Logger Pro ® ‚ Graphical Analysis ®‚ String‚ four 200g masses.! ! Procedure:
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Abstract :The purpose of the experiment is to explore elastic and inelastic collisions in order to study the conservation of momentum and energy. The guided track‚ carts‚ photogates ‚ 250 g weight and picket fences were the primary components used in the procedural part of the experiment. Each experiment involved the use of the photogates and picket fences to measure the initial and final velocities of both carts when they collide. The data was collected and translated to a graphical model for further
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