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Physics Essays

Result for Subject Physics:
1441 essays
The Principles and Types of Electron Microscope Physics Essay
6 pages (1582 words) , Download 1 , Essay
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In dark-field electron microscopy, the angle upon which bombardment of the electron beam is tilted in the darker field to produce brighter spots mainly to determine whether there exist crystalline structures within the specimen. This is of very importance in the field of crystallography and analysis of minerals.
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Types of Forces and Newton's Laws of Motion in a Steam Turbine Physics Essay
5 pages (1285 words) , Download 1 , Essay
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The turbines employ the fundamental laws of thermodynamics in their operation and the understanding of the relationship between enthalpy and the work done by the system. In addition, Velocity triangles and Newton's laws of motion are useful in understanding the basic performance principles of the turbines and enable manufacturers to improve their efficiency (eHow par. 4).
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The Description of Light Physics Report
5 pages (1333 words) , Download 1 , Report
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The most dominant source of visible light in the universe is the sun which provides the energy used by the green plants to manufacture the sugars in a process referred to as photosynthesis. The paper aims to understand the description of light and how the human eye perceives it.
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The Equilibrium States in Vector Mechanics - Statics and Dynamics Physics Lab Report
7 pages (1257 words) , Download 1 , Lab Report
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In the physics of vectors and statics, an object is said to experience balanced forces whenever; the net force is equal to zero, and acceleration is equal to 0 ms-2. Objects experiencing balanced forces could either be at rest or moving at uniform speeds in the same direction. This experiment involved the study of balanced objects at rest.
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Solar as an Alternative Energy Source Physics Essay
5 pages (1495 words) , Download 1 , Essay
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The potential danger and limited supply have prompted humans to innovate models that will enhance their survival. Sources of energy have shifted from fossil fuels to renewable energy. There is need to focus on this energy with an aim of evaluating its economical value and its impact on the earth’s atmosphere. The solar energy has been termed as the best alternative of energy source. 
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Relationship between Mechanics and Drug Binding Physics Report
5 pages (1355 words) , Download 1 , Report
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Quantum Mechanics- based approaches have been applied recently in evaluating energies, optimizing molecular structures, and determining ionizable elements' protonation states. For a high-throughput in silico screenings, quantum mechanics-based procedures have derived quantitative structure-activity relationship models
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The Usage of X-Rays Physics Essay
5 pages (1348 words) , Download 2 , Essay
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Electromagnetic radiation is a type of energy coming out from certain physical processes. It consists of both visible and non-visible types of radiation. For example, light radiates from the sun and consists of electromagnetic radiations in the visible range. At the same time, electromagnetic radiations consist of radiations in the invisible range also.
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High Performance Liquid Chromatography Physics Lab Report
5 pages (1278 words) , Download 1 , Lab Report
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The movement of the analyte is dependent on its composition, the mobile phase and the stationary phase. The retention time is the amount of time it takes for the analyte to elute and is unique in each sample. The linear velocity that is enhanced by the high pressure that is used gives the components minimal time to diffuse inside the column. 
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Amplification, Rectification and Applications in Motor Design Physics Essay
5 pages (1545 words) , Download 1 , Essay
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SC is used in the system, which is different from the asynchronous counter given that it consists of flip-flops that are supplied by the clock pulses. One advantage of the SC is that they have the capability to build faster counters and with reduced synchronization interferences with system components. (Tao 2003). 
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Sound Absorption Physics Coursework
5 pages (1670 words) , Download 1 , Coursework
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The author states that the ability of any object, material or surface to absorb sound or light depends on a factor called as absorption coefficient. Every object has its specific absorption coefficient that varies with the frequency of sound, area and volume density of the surface or object.
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The Therac-25 Accidents Physics Case Study
5 pages (1517 words) , Download 1 , Case Study
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Generally, sometimes employees get caught between choosing to be loyal to their companies and performing their moral obligations to society. Such employees include engineers, the management and salespersons who may have to choose between marketing their products and disclosing the defects in them.
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The Probability of Natural Nuclear Reactors Physics Case Study
6 pages (1700 words) , Download 1 , Case Study
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Naturally, nuclear reactors usually occur the moment deposits of uranium, which is a radioactive element, build up in a single spot, and finally ignite a nuclear chain reaction which is self-sustaining, causing uranium to sub-divide a process known as fission, leading to the production of other elements.
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Experiment of Voltage Controlled Oscillator Physics Assignment
6 pages (1629 words) , Download 1 , Assignment
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An oscillator is an electronic or mechanical device that functions on the principle of oscillation. Oscillation refers to a periodic variation between two items based on varying levels of energy. All kinds of oscillators operate on some basic principle whereby the oscillator uses a delicate amplifier whose output is feedback in the input phase.
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The Design Work and the Techniques in a Design Project Physics Assignment
7 pages (1824 words) , Download 1 , Assignment
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Some problems such as the microcontrollers which were found to be very touchy when they came with serial data settings could not be adjusted since this was a manufacturer’s specification and this affected the overall performance of the car. The problems encountered result in the alteration of the initial design to a modified version of the same.
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Aeolian Features and Processes Physics Assignment
7 pages (1992 words) , Download 1 , Assignment
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Generally speaking, a collision between earth and a bigger body resulted in a lot of material (in form of small moons) being detached from earth and this material collided and attracted each other to form one solid mass; the moon as we know it. Eventually, the earth’s gravity settled the moon in its orbit.
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Ocean Thermal Energy Conversion Physics Case Study
7 pages (2076 words) , Download 2 , Case Study
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OTEC food production is also a critical by-product. The production is of OTEC concurrently leads to the production of chief nutrient-rich in cold water from the deep ocean. Such wastewater from the OTEC extraction and production is dischargeable into mostly contained ponds adjacent to the shore or land (Climate Wire, 2003).
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Alternative Current vs Direct Current Physics Essay
7 pages (2035 words) , Download 1 , Essay
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The direction of the current flow is altered or reversed in the case of alternative current; this alteration is done regularly. Direct current is a little different from alternative current because it flows in the same direction all the time and no alteration is done with it like in the case of alternative current.
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A Child's Ideas about Heat Concept Physics Assignment
4 pages (2744 words) , Download 0 , Assignment
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Heat is a form of energy, specifically, the energy movement from two entities that have different temperatures. Since all objects have thermal energy, heat can also be defined as the transference of thermal energy from an object to its surroundings or to other objects. There are three ways that thermal energy (heat) can be transferred: Conduction, Convection, Radiation.
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Overview of the Materials Selection Process Physics Assignment
7 pages (1827 words) , Download 1 , Assignment
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The decision to choose aluminum follows the study of the mechanical properties and physical behavior of aluminum. The second guiding principle is the affordability of the material since high costs make the production of the containerless efficient regardless of the performance of the component developed.
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Role Transition From LPN to RN Physics Report
13 pages (1083 words) , Download 1 , Report
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The design process of a mass-spectrometer whose purpose is to detect commonly smuggled illicit drugs at an airport is discussed in this paper. The mass spectrometer is expected to be able to detect concentrations of the common elements for all the drugs. After detection, the drugs are compared with a database of chemical compounds as outlined in the paper. 
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Combustion, Fuel and Energy Physics Lab Report
6 pages (1712 words) , Download 1 , Lab Report
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This experiment was conducted to study the mechanism of the reaction and kinetic characteristics of Pittsburgh coal combustion based on the emission of CO and CO2. Based on the data obtained from this experiment, the rate constant of Pittsburgh coal combustion was determined to be 0.039, the pre-exponential factor as 1.293 and the activation energy as 4225.
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The Concept of Torque Physics Report
6 pages (1548 words) , Download 1 , Report
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The concept of torque has been applied in various machines we use in our everyday life. Anything that has a motor has a torque. This power is actually the torque that drives the car through the rotation of wheels. It depends on the amount of power needed by a vehicle to pull the load. Pulling trailers require a lot of torque to function.
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Biotechnlogy - Microbial Fuel Cell Physics Lab Report
20 pages (5346 words) , Download 1 , Lab Report
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Electricity generation using the dual chambered MFCs in the presence of cation exchange membrane and fluorescent Pseudomonas trivialis as biocatalyst. Synthetic wastewater, sucrose solution, LB broth was prepared and autoclaved in the first experiment except PSB buffer, which was prepared again, since it was finished during the second experiment.
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Contemporary Nondestructive Testing Procedures Physics Term Paper
7 pages (1999 words) , Download 1 , Term Paper
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Nondestructive testing is used to examine the material reliability of the test article. The plan of future usefulness is significant to the quality control practice of sampling. It is understood that sampling is nondestructive testing if the same tested sample comes back to service. Hardness testing by indentation offers an appealing test case.
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Manufacturing Concepts - Inductors Physics Assignment
6 pages (1741 words) , Download 1 , Assignment
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Other specifications are as follows inductor must have a current rating (RMS current or DC current), which defines the maximum temperature rise that it will have at maximum ambient temperature. This defines the power losses that will be experienced in the inductor hence its heat dissipation in the windings. 
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Thermal Effect in Ultra Sound Physics Coursework
6 pages (1850 words) , Download 1 , Coursework
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Physical properties of thermal effects are the following: thermal conductivity of tissue and blood perfusion of tissue (Smith 2001, 1429). Poor vascularization of tissues and essential heat conduct of tissue leads to the temperature rise. Tissues which are closer to the bone have a greater susceptibility to heat increase via conduction
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Inelastic Scattering of Neutrons or X-rays by Phonons Physics Report
6 pages (1984 words) , Download 2 , Report
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The process of x-ray scattering involves the double differential cross section process. The instrument used to measure this form of X-ray scattering is called a TOF chopper spectrometer. Inelastic scattering essentially involves the interaction between neutron and phonons and the exchange of energy and momentum that takes place. 
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Alternating Current Theory in Use Physics Math Problem
6 pages (1485 words) , Download 1 , Math Problem
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An Alternating Сurrent waveform can also be referred to as a periodic waveform since it time-dependent and is usually a product of a rotating generator. The shape of this periodic waveform is obtained by using a fundamental frequency and adding harmonic signals for varying amplitudes and frequencies.Therefore, it is applicable in radios, transformers, audio devices such hi-fis, and loudspeakers.
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Circuit Analysis Physics Assignment
22 pages (4366 words) , Download 1 , Assignment
These components are usually in a linear format (Schindler 66). To make the network quite useful, reduction of components is very important in the whole process. 
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Power Supply System Design Using a Voltage Divider Physics Lab Report
6 pages (1679 words) , Download 1 , Lab Report
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The voltage divider is mainly used to reduce the voltage supplied to electrical appliances. Different electrical appliances require varying voltages but the power supplied by voltage sources are constant. It is, therefore, necessary to reduce the voltage to suit the given application. The voltage divider is also used to create a reference voltage. 
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Physics and Cosmology, Common and Different Physics Essay
10 pages (2981 words) , Download 1 , Essay
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With its success, physics had let materialism dominate man’s perspective. Having mathematics to serve its explanations and experiments to prove it, it had managed to elucidate us on subjects that were once incomprehensible. But still, some questions remain to man, of which physics has yet to demonstrate. That keeps a man on his continuous journey, looking for other options, relating diverse disciplines, seeking for the answer on his existence, for his existence. 
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How Fluid Mechanics Function Physics Essay
7 pages (2085 words) , Download 1 , Essay
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The volume of the liquid displaced is equal to the volume of the solid. The weight of the liquid displaced is equal to the upthrust experienced by the solid due to the liquid. This is the upthrust due to
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Methods for Measuring Resistance Physics Report
6 pages (1775 words) , Download 0 , Report
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What is known to many people when it comes to the measurement of resistance is the use of voltmeters and ammeters. That method is very direct and therefore easy to undertake. The biggest problem, however, with this kind of measurement is the fact that they are prone to the internal resistances of these meters.
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A Physical Introduction to Fluid Mechanics Physics Research Paper
11 pages (2865 words) , Download 0 , Research Paper
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The various forms of mechanical energy find their relationship with one another on the basis of the analysis of Bernoulli’s theorem expression. The mechanical forms of energy which kinetic energy; pressure energy as well as potential energy is summed up at any one particular point during the flow to be equal to a constant value.
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Implementation of Computational Fluid Dynamics Physics Lab Report
13 pages (3583 words) , Download 0 , Lab Report
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The three alternative simulations that worked well with coarser meshes resulted in a steeper velocity slope although polyhedral mesh that has lengthened prismatic layer is more appropriate for the same purpose. The three simulations are also forecasted to generate slightly reduced pressure under helical coil stream tubes.
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Implementation of Computational Fluids Dynamics Physics Lab Report
5 pages (1585 words) , Download 0 , Lab Report
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The flow representation must be nonlinear and viscous. The model must be able to cope with flow separation and re-attachment. The unsteadiness due to the model must be included but the analysis is not straightforward because of input data erroneous. The computational requirement for such a calculation is very considerable since it a time-accurate.
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The Pendulum Concept, Angular Displacement, Period of Motion of a Pendulum, Light vs Heavy Pendulums Physics Lab Report
16 pages (3829 words) , Download 0 , Lab Report
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Technically, the center of motion is known as the equilibrium position. Due to the momentum (made up of the mass and the speed of motion of the swinging body), the swinging body passes via the equilibrium position to the other side of the centerline until it reaches the maximum distance it can go on that side.
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Flow over Sharp-Crested Weirs Physics Research Paper
12 pages (3210 words) , Download 0 , Research Paper
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Measurement of fluid flow has been historically been performed with the use weir device (John, 2000). Sharp crested consists of a top structure that is flat and short on the upper edge. This is close to the bevel which is found on the lower side. In this type of weirs, the fluid flowing changes into an overflowing water sheet which is known as a nappe.
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The Fire Problem Physics Research Paper
9 pages (2700 words) , Download 0 , Research Paper
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In the laminar region, which is closer to the surface of the material, the flame is thinnest, and the heat transfer from the flame to the surface occurs primarily by convection; however, as the height of the flame increases and hence the flame thickness and turbulence, radiation becomes dominant. The figure below shows the flame spread on the material surface.
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Voltage to Frequency Control vs Vector Control Physics Essay
6 pages (1696 words) , Download 1 , Essay
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Various control techniques for induction motors have been effectively implemented, facilitating the motor to be applied in a wide range of applications. Two commonly used techniques include scalar and vector, with the most popular scalar method being the voltage to frequency, also commonly referred to as volts to hertz control.
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Energy Transfer and Thermodynamics Physics Assignment
14 pages (3940 words) , Download 1 , Assignment
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The zeroth law of thermodynamics states that “if two systems are both in thermal equilibrium with a third system, they are also in thermal equilibrium with each other” (Grote & Antonsson, 2009, p.225). It means that if two systems come into contact with one another, then heat exchange occurs so that thermal equilibrium is achieved.
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Equations of Motion Physics Research Proposal
8 pages (2252 words) , Download 7 , Research Proposal
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The equations of motions can be applied in solving calculations to do with different kinematic variables in cases where the acceleration is constant, and also when an object is traveling a line that is straight. If an object is projected, then the gravitational force becomes a constant of acceleration.
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Continuous and Discrete-Time PID Control of DC Motor Position Physics Assignment
6 pages (1859 words) , Download 1 , Assignment
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The digital application is been used in modern applications highly because it improves and increases measurement sensitivity, which is reflected in the efficiency of workloads in a company. That is; digital power in modern applications has increased the load of work that can be done in a day while relying on digital power for success (Ming, 2011).
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Computational Fluids Dynamics Implementation Physics Lab Report
11 pages (2916 words) , Download 1 , Lab Report
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Through an S bend having a diameter of 20 mm. The two conditions for the experiment are air as a fluid with an initial Reynolds number of 500 and the second fluids with an initial Reynolds number of 50000. This was meant to be able to study the relationship of Reynolds number as well as the inlet match numbers (Versteeg, p. 60).
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Aerodynamics Measuring Techniques and Flow Visualization Techniques Physics Assignment
8 pages (2000 words) , Download 0 , Assignment
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The author of the paper argues in a well-organized manner that CTA works by adjusting the current flowing through the wire so that a constant temperature is maintained. This is attained by the use of a feedback circuit. The current required to maintain a constant temperature is related to heat loss (Stainback & Nagabushana, 1993).
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Measuring the Velocity of Sound Applying a Standing Wave of a String Physics Lab Report
7 pages (1327 words) , Download 0 , Lab Report
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The paper “Measuring the Velocity of Sound Applying a Standing Wave of a String”  is an intriguing version example of a lab report on physics. The purpose of this experiment was to delve into standing waves on a string and to establish the relationship between the velocity of a wave in vibrating string and its characteristics including; mass per unit length, frequency, and tension.
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Investigation Methods for Causes of Fire Physics Report
7 pages (2061 words) , Download 0 , Report
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The major area that fire investigation is based on is explained at both individual levels and group levels. The case study also provides support for the role of fire characteristics on the extent and nature of the fire. Following the investigation of fire characteristics and the roles of fire investigators, it is possible to create a report relation any fire outbreak to its causes.
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Orifice and Free Jet Flows Physics Lab Report
9 pages (2524 words) , Download 2 , Lab Report
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An orifice is an opening that is circular at the base or side of the reservoir. Fluid discharges in form of a jet are released into the atmosphere. The volumetric flow rates are discharged through an orifice and depend upon the level of the orifice upon the head of the fluid. The volume rate of flow can be used as a means of measuring flow rate. 
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Behaviour of Structures: Deflection of Pin-jointed Structures Physics Assignment
7 pages (1918 words) , Download 1 , Assignment
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The Euler buckling load for the maximum eccentricity experiment is 33.1 N, which has an error of 36.9% compared to the theoretical buckling load. The Euler buckling for loads with eccentricity should however be lower because they develop moments that increase the bulking of the column (Chilver et al, 1999).
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Contribution to the Invention of Wireless Transmission Physics Essay
7 pages (2206 words) , Download 0 , Essay
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However, scientists have been working tirelessly to use the technique of wireless transmission of radiations to enable wireless power transmission. Significant steps towards realizing power transmission without cables started in the 1800s when scientists such as Heinrich Rudolf Hertz and Nicolas Tesla pioneered wireless transmission.
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