LABORATORY REPORT SUBMISSION Experiment Title : Archimedes Principle Due Date : 13 Nov 2014 Lab session : Group C Group : 03 STUDENTS DECLARATION OF WORK We declare that the work submitted is our own. We confirm that we have read and understood the University regulations with regard to Plagiarism‚ Collusion and Cheating in this work will be penalized. No. Student ID Group Members Signature 1 1001336124 Rafat Saifullah Joy 2 1001025540 Liew Jian Huei 3 1001233272
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Some materials have a feature known as ferromagnetism. The prefix "ferro" refers to Iron‚ which is one such material. Ferromagnetic materials have the ability to "remember" the magnetic fields they have been subjected to. An atom consists of a number of negatively charged electrons‚ orbiting around a positively charged nucleus. These electrons also possess a quantity known as spin‚ which is roughly analogous to a spinning top. The combination of orbital and spin motions is called the angular momentum
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Heat of Combustion of Magnesium Background: The students were given full instructions on how to experimentally determine the enthalpy of reaction (ΔHrxn) for the combustion of magnesium ribbon‚ using Hess’s Law. Data Collection: | |Reaction 1 |Reaction 2 | | |(MgO) |(Mg)
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Experiment 9: Maxwell’s Wheel Introduction: The second lab performed on 2/1/12 involved two investigations concerning Maxwell’s wheel. Maxwell’s wheel is an apparatus that consists of a large disk with a long axle. The disk then bound to a support hanging from above with strings attached to each end of the axle. Maxwell’s wheel is considered to be an important apparatus to investigate physical phenomenon’s because it its ability to combine straight line motion and rotation of a rigid body
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ELECTRIC DISCHARGE MACHINING INTRODUCTION * Sometimes it is referred to as spark machining‚ * Its a manufacturing process whereby a desired shape is obtained using electrical discharges (sparks). * Material is removed from the workpiece by a series of rapidly recurring current discharges between two electrodes‚ separated by a dielectric liquid and subject to an electric voltage. * One of the electrodes – ‘tool-electrode’ or ‘tool’ or ‘electrode’. * Other electrode - workpiece-electrode
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Activity 33 PS-2826 Latent Heat of Fusion Thermodynamics: phase change‚ latent heat of fusion‚ melting Qty 1 1 1 1 1L 0.5 L 1 Equipment and Materials PASPORT Xplorer GLX Fast-Response Temperature Probe (included with GLX) Basic Calorimetry Set (1 calorimeter cup) Balance Water‚ about 15 degrees warmer than room temperature Ice‚ crushed Towel Part Number PS-2002 PS-2135 TD-8557 SE-8723 Purpose The purpose of this activity is to determine the amount of thermal energy needed to change a specific
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ρ(p)=ρ_0 ( 1+(1.16 p)/(1+1.7p))(1.0-ε(T-T_0 ) Peiran Yang et al. (1993) [15] presented a straight forward‚ fast and robust algorithm for Thermo EHL line contact problems. As compared to conventional N-R method this method was more efficient for pressure calculation and can be used for both micro and Non-Newtonian Thermo EHL. This can also be used for solving transient TEHL with good stability numerically. For calculating the pressure distribution they used the dimensionless form of the equations
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1. Shell and Tube Heat Exchanger – Working Principle The shell and tube heat exchanger comprises of two major things as its name state "Shell and Tube". The shell is a major vassel with quantities of tube inside it (Jalmood‚ n.d). Shell and tube heat exchangers are helpful for pressurized application. Heat is exchanged between the liquid in the tubes and the liquid inside the shell. Configuration of the tube pack is such that‚ all the section sides of the tube could be joined with a typical header
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-many physical properties of compounds depend on the intermolecular forces: -wetting (water absorbed by matter) -surface tension -capillary action -melting and boiling points -cohesion (attraction between like molecules) -adhesion (attraction between unlike molecules) -solubility -evaporation -intermolecular forces are much weaker than covalent bonds ex. if covalent bonds are assigned a strength of 100‚ then intermolecular forces are between 0.001 to 15. -there are 3 types of intermolecular
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Chapter 24 Gauss’s Law Multiple Choice 1. Two charges of 15 pC and –40 pC are inside a cube with sides that are of 0.40-m length. Determine the net electric flux through the surface of the cube. a. +2.8 N ( m2/C b. –1.1 N ( m2/C c. +1.1 N ( m2/C d. –2.8 N ( m2/C e. –0.47 N ( m2/C 2. The total electric flux through a closed cylindrical (length = 1.2 m‚ diameter = 0.20 m) surface is equal to –5.0 N ( m2/C. Determine the net charge within the cylinder
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