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Physics Essays

Result for Subject Physics:
1449 essays
Stress and Strain of Aluminum Physics Lab Report
5 pages (1436 words) , Download 1 , Lab Report
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This may be associated with the rearrangement of molecules with the structure of aluminum. As strain is increased, atoms move to new positions to create a new equilibrium in the material. This is because of their nature in mobility and dislocation. The graph is linear to a certain point but it deviates when the limit is reached.
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Energy Transfer and Thermodynamics Physics Report
10 pages (2714 words) , Download 0 , Report
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Entropy is the measure of the disorder or randomness of energy and matter in a system. The disorderliness of liquids and gases is caused by their particles, which are more separated from each other than the molecules or particles of gases.  
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Physics of Collision Physics Term Paper
5 pages (1567 words) , Download 1 , Term Paper
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This is because the center of all forces acting on the vehicles is high above the base thereby making the vehicle and prone to accidents. Centre of gravity can be raised when the vehicle is packed beyond its carrying capacity, in Rollovers, SUVs, people carriers, and minivans, all of which have a higher center of gravity than standard passenger cars.
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Principles of Remote Sensing Physics Assignment
5 pages (1445 words) , Download 1 , Assignment
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The author states that remote sensing can be classified into two broad categories based on the source used for the propagation which is passive and active remote sensing. When passive remote sensing is applied, the source used is generally based on natural radiation which is being emitted and reflected by the object of interest.
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Six Easy Pieces Critical Analysis Physics Research Paper
6 pages (1540 words) , Download 2 , Research Paper
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Feynman made a wide array of achievements ranging from the creation of an atomic bomb in the days of the Second World War to his unmatched contributions in the exploration of quantum electrodynamics because of this, Feynman received the Nobel Prize in 1965. Feynman maintained a scintillating method of mentorship throughout his career.
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Tutorials Paraphrasing Physics Essay
8 pages (2088 words) , Download 0 , Essay
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Figures 6.6, 6.7, and 6.8 show the effect of an increase in the TE time with a constant long TR time. - Figure 6.6 is a proton density-weighted image acquired with a very short TE (20 ms), giving low contrast and a high signal for all T2 values.
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The Vectors Process Physics Case Study
9 pages (2398 words) , Download 0 , Case Study
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A pi/4 excitation pulse creates some transverse magnetization when generated at a tip angle of 45 degrees. The diphase magnetization is rephased by a pi pulse resulting in a slightly reduced magnetization spin-echo than pi/2. Also, the transverse component of the pi. four pulses are 0.71 Mo because its magnetization from a vibration of theta degrees.
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The Rooms Used in Magnetic Resonance Physics Report
12 pages (3284 words) , Download 0 , Report
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Another component is the gradient coil, which is pulsed rapidly when scanning and is used to vary the magnetic field's strength. There are three sets of rings for different directions, known as X, Y, and Z. This variation in the gradients provides localized images and helps with phase and frequency encoding.
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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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An Imbalance in Accumulation and Ablation Physics Report
7 pages (2275 words) , Download 0 , Report
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The zone of accumulation is the point marked at 4000 m on the East Antarctic Ice sheet. Figure 17.4 (b), the Greenland, Keewatin, and Labrador centers constitute accumulation zones. Figure 17.4 (c) shows that the zones of accumulation include northern Europe, Greenland, and most of the British Isles.
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A Piece of Writing of Graphene Physics Article
7 pages (1945 words) , Download 0 , Article
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The material has been attracting the material scientist and engineers' attention because, under microscopic examinations, a two-dimensional plane of atoms that has been shaved from conventional crystals has been identified. Its strength and stiffness have been likened to diamond; in that it can be stretched to a quarter of its original length.
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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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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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New Physics and Chemistry Discovered at the CERN's Large Hadron Collider Physics Research Paper
10 pages (2500 words) , Download 2 , Research Paper
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A Large Ion Collider Experiment involves some of the hottest collisions being performed within the collider, in the hopes of breaking the bonds between quarks and gluons. If this occurs, it will produce a material known as quark-gluon plasma, which probably made up the universe in the time following the Big Bang.
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Electroconvulsive Therapy and Mental Health Physics Case Study
9 pages (3048 words) , Download 0 , Case Study
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ECT is a highly technical procedure requiring a team that consists of an anesthetist, a psychiatrist, psychiatric nurses, and recovery nurses. Doing a study on how ECT has changed over the years has given me an insight into how the use of ECT in treating mental health illness has changed over the years.
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Aerodynamics and Propulsion Principles Physics Coursework
8 pages (2000 words) , Download 2 , Coursework
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According to the text, when this condition arises, a shock wave is created at the point where the flow reaches the sonic speed. As the speed increases, regions of very low pressure are created. This causes the flow to separate from the airfoil thereby substantially increasing the drag forces on it.
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Dye-Sentitised Solar Cells Physics Research Paper
22 pages (6244 words) , Download 2 , Research Paper
The second theme of the paper discussed the mechanisms and underlying principles of Nanocrystillaline Semiconductor Film Electrodes, Dye Sensitizers, and Electrolytes to provide insight into the three key, though not all features of DSC. Further enhancements of research of these primary elements in the near future suggest that higher conversion.
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Principles of Aerodynamics Physics Coursework
8 pages (2000 words) , Download 3 , Coursework
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The flow becomes turbulent in the layers adjacent to the airfoil. This causes an increase in drag force on the airfoil. Modern aircrafts use different features in order to avoid adverse effects of high speed flight, important among these include using thin airfoils, using supercritical airfoils and using sweep back angle
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Physics-Based Ultrasound Physics Essay
5 pages (1386 words) , Download 1 , Essay
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This overview will preclude the additional specifications that are required in imaging the fetal heart in a pregnant patient and the thyroid gland of an adult to lend further differentiation to. Ultrasound imaging utilizes piezoelectric crystals which create sound when stimulated by alternating currents, concurrently using the charge accruement derived from sound waves exerting pressure on the piezoelectric crystals.
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Importance of Solar Energy Physics Term Paper
10 pages (2765 words) , Download 2 , Term Paper
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Solar power generation is the application of electronic or electrical technology to utilize naturally available energy from sunshine. In our world, naturally-occurring energy has become a phenomenon that needs to be utilized, precisely, the implications of unabated use of wholly artificial, environmentally-unfriendly methods of power generation presently available to us.
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How Isotope Is Produced Physics Assignment
6 pages (1746 words) , Download 0 , Assignment
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The half-life of 14C in inorganic compounds like Na214CO3 ¬ is longer than the half-life of 14C in organic compounds like glucose. 60Co is radioactive, but 59Co is not. The 241Am found in your smoke detector represents a significant health threat if you were to come within 10 feet of it. Doubling the distance from a gamma radiation source halves the intensity of the exposure.
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Physics and Dream World Physics Assignment
10 pages (2662 words) , Download 0 , Assignment
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If the car rises abruptly after dipping, my body keeps moving upward because it has linear momentum. If the car turns sharply, my body keeps moving in the same direction because it has linear momentum. Everybody’s in accordance to apply a force on it. If gravity force is applied to a carriage, there is another force with the same magnitude, but a negative sign called “normal force”. 
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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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Heterocyclic Organic Compounds Arranged Physics Case Study
8 pages (1397 words) , Download 0 , Case Study
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The previously mentioned author goes further to state that the regio regularity of P3HT, the processing methods and conditions, treatment of the gate dielectric/gate insulator and solvents used for processing of P3HT together with annealing, molecular weights affect the packaging structure of P3HT, and the type of OTFTs produced.
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Acoustic and Vibration Terms Physics Research Paper
4 pages (1000 words) , Download 0 , Research Paper
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The interaction of waves with the material medium results to transmission loss because of the dissipation or conversion of electromagnetic, acoustic, or electrical energy into other forms of energy (Ott and Ott, 2009, p. 245). This energy loss due to wave and material medium interaction is called absorption loss.  
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Analog to Digital Converter Specifications Physics Report
5 pages (1408 words) , Download 0 , Report
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The function of an expander is totally the reverse of the one related to the compressor. The expander further enhances the loudness of the loud signals, proportionate to the louder audio signals. Also, an expander is helpful by being a part of a procedure named “downward expansion” aimed at lessening the noise.
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Fabrication of Microelectrodes and PDMS Molding of Microfluidic Structures Physics Research Paper
5 pages (1250 words) , Download 1 , Research Paper
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These can be used in electrochemical reaction mechanisms and kinetics, trace electrochemical analysis, electrochemical reaction in solutions of very high resistance, analytical sensing, in vivo measurements on biological objects, and detection in flowing liquids. There are various methods to fabricate microelectrodes. Photolithography is one of these methods that uses light to generate a pattern on the surface of a substrate.
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The Bending of a Cantilever Physics Lab Report
2 pages (674 words) , Download 22 , Lab Report
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These measurements provided the value of Young’s modulus of steel to be 203 GPa (Fixed length cantilever) and 174 GPa (Fixed load cantilever). These values are very close to that reported in the literature. The experiment and
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The Torsional Pendulum Physics Lab Report
3 pages (750 words) , Download 34 , Lab Report
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Further, shear modulus of the metal forming suspension wire was ~ 700 MPa or 0.7 GPa. Error analysis showed the error was within + 2.81%. The experiment was aimed at measuring the shear modulus (G) of the metal that formed the suspension wire of a torsional
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Wind Power System for Isolated Applications Physics Research Paper
11 pages (2750 words) , Download 2 , Research Paper
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The researcher states that wind energy, as a renewable energy source, has the potential of being cost-effective and has a high capacity factor. Most commercially operating wind turbines have horizontal axis designs with variable speed electric power generation. Variable speed wind power generation is superior to fixed speed generation in that.
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The Surplus Capacity of Enzymes in the Glycolytic Pathway Physics Lab Report
5 pages (1441 words) , Download 0 , Lab Report
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Glycolysis is a catabolic process so the energy released is utilized by D. melanogaster to thump or beat enabling the fruit fly D. melanogaster to employ wing muscles to beat. The fact is therefore established that glycolysis generates energy-rich molecules called ATP which provides energy to the wing muscles to fly.
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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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The Anode Heel Effect Physics Assignment
16 pages (4233 words) , Download 3 , Assignment
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Thermionic emissions are emissions of electrons or ions by highly heated substances, the charged particles are thermions. As the temperature rises the more thermions are emitted. The heated substance might be a metal filament. If the heated substances carry a positive or negative charge, the thermions will be of the same charge.
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Variations of Photoelectric Current with Intensity of Light Physics Essay
20 pages (5000 words) , Download 3 , Essay
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From the analysis of the findings of the experiment, it is evident that all results are in agreement with previous studies. The method, which the author of the paper has used to explain the effect of intensity of light on photoelectric current has highlighted a positive linear relationship with only slight deviations.
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States of Matter and Phase Change Physics Assignment
5 pages (1607 words) , Download 0 , Assignment
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The state of matter can be best described as the amount of heat contained within the molecules. When more heat is added, the molecules move far from one another. The state of matter can thus be linked closely to the temperature and the pressure of the substance under consideration (Bayrock & Fiona, 2007). 
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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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Stats Problems Physics Report
5 pages (1400 words) , Download 0 , Report
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The result suggests that smoking among those with four years of college is less than the 27% rate for the general population is valid.The college graduates smoke at a lower rate than the others, maybe because of awareness that smoking is injurious for health.
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The Measurement System Physics Lab Report
5 pages (1385 words) , Download 0 , Lab Report
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The fundamental physical parameters are length, mass, and Tim, whereas the other parameters are essentially derived from these total units, including velocity, momentum, and force. The American and British measurement systems are two different and popular systems widely practiced internationally; the fundamental units for the American system for length, mass, and time is afoot, pound, and seconds respectively.
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Mass Spectrometry Physics Assignment
5 pages (1436 words) , Download 1 , Assignment
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To determine which of the lysine is in the active site of the given protein fragment, site-directed mutagenesis can be carried out separately on each lysine. This is done by inserting the nucleotide sequence for the peptide fragment in a cloning vector and performing mutagenesis (changing the nucleotide sequence to alter the amino acid being coded for).
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Consumer Personality Theories, Personality of a Toyota RAV4 user Physics Research Paper
5 pages (1473 words) , Download 0 , Research Paper
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Engel and Blackwell assert that three main personality theories have primarily influenced studies of personality and consumer behavior. These theories are psychoanalytic theory, social-psychological theory, and trait- factor theory. This theory was propounded by Sigmund Freud, and it infers that unconscious needs or drives.
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Introduction to the Combinational Logic Circuit Physics Lab Report
6 pages (1719 words) , Download 2 , Lab Report
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There are several families of logic ICs numbered from 74xx00 onwards with letters (xx) in the middle of the number to indicate the type of circuitry, e.g. 74LS00 and 74HC00. The original family (now obsolete) had no letters, e.g. 7400. The 74LS (Low-power Schottky) family (like the original) uses TTL (Transistor-Transistor Logic) circuitry which is fast but requires more power than later families.
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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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Electron Microscopy Physics Assignment
6 pages (1971 words) , Download 1 , Assignment
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The author states that an electron beam has the properties of an electromagnetic wave of a very short wavelength; when accelerated through an electric field, its wavelength is inversely proportional to the square root of the accelerating voltage. A wavelength of only 0.04 nm, is bout 10,000 times shorter than that of visible light.
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AERO 721 Gravity Physics Essay
20 pages (5242 words) , Download 2 , Essay
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This discussion talks that in the Non- relativistic category, the vector force fields are considered to be the simplest physical fields. Faraday’s lines of force describing an electric field were the first time that these fields were taken seriously. The same method was used to describe the fields of gravitation.
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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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John Dalton: Revival of Atomism Physics Report
5 pages (1445 words) , Download 0 , Report
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Though his postulates proved wrong in subsequent studies; his work was so systematic and forceful that this deficiency was recognized on the official level for the first time. His eyeballs were preserved and have been studied recently in 1995. These studies have confirmed that he indeed had a less common type of colorblindness in which central colors are not distinguished by eye.
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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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Use of Batteries as Power Sources Physics Report
10 pages (2829 words) , Download 1 , Report
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The requirements for the batteries comprise high release rates, low insertion loss from components in series by means of the cells, superfluous security protection, and no upset by means of incredibly high electrostatic discharge transients. All Li-ion protector circuits for one- and two-cell applications have protector FETs in the low surface.
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Gyroscopes in Physics Physics Report
6 pages (1710 words) , Download 0 , Report
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Spherical, wheel-shaped, or disk-shaped bodies that are mounted to rotate in any direction and used to demonstrate these properties or to indicate movements in space are called gyroscopes. A gyrostat is a gyroscope, which moves only on its axis of rotation and almost all practical applications use gyrostats.
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Quantum Oscillator Problem Physics Assignment
1 pages (250 words) , Download 2 , Assignment
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Figure 6.11 shows a plot of the 10th excited state probability density, |ψ10|2. Mathematica has the Hermite polynomials built-in. The quantum oscillator wave functions are given in equation 6.57; these wave functions are not normalized.
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