Free Physics Essay Examples and Topics | Page 7

Semiconductor Devices and Circuits Physics Coursework

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Conductor materials have a large number of free electrons and thus conduct efficiently. Examples of a good conductor are copper and aluminum, and they have, at room temperature, many electrons for conduction.

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Circuits with Feedback and Sine Wave Oscillators Physics Coursework

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This definition means information by itself cannot be feedback unless it is translated into some action. It is synonymous with the feedback loop, which is often taken to mean a complete causal path leading from the initial detection of a gap onto a subsequent modification (Stuart, 2007).

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Concepts of Parallel Imaging Physics Report

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Parallel imaging is a family of techniques that often take advantage of spatial information in a phased array of radiofrequency coils in reducing the acquisition times in magnetic resonance imaging. Recent studies have indicated that in parallel imaging, the sampled k-space lines are often reduced by a factor equal to or greater than two.

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Utilization of Electrical Energy Physics Report

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The average consumption of electric energy worldwide is approximately 19 % of the total electric power produced. This calls for specialized improvement in lighting efficiency to save a life, which translates to the environment's conservation.

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Radiological Impact of Routine Discharges Physics Report

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This has fueled, so to speak, a frantic search for new energy sources such as renewable energy sources like solar, wind, and tidal power. Fossil fuels like crude oil and natural gas are produced in wells which have seen declining extraction yields; the theory of “peak oil” was first put forward and popularized by Marion King Hubbert, who was a geo-scientist working at Shell, which is now primarily proven to be accurate as conceptualized and illustrated by the “Hubbert Curve.”

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Including Earth and Space Sciences Homework Physics Assignment

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My shower takes up to 5 minutes or 0.12 hours in a cold tap showerIt could be possible to reduce, but no way not unless. I am running late for something.No one has ever told me to turn off the bulb. I use the energy-saving bulb rating 14watts

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Thermodynamic Cycle Analysis Physics Report

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A heat "source" generates thermal energy that brings the working essence to the high-temperature state (Solanki& Arun, 2008). The active substance creates work in the "working body" while transferring heat to the colder "sink" until it reaches a low-temperature state.

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Electron and Proton Atomic Energy Physics Assignment

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Primary and secondary coils are wound on an iron core and they have a mutual inductance of 0.7H. The current in the primary coil is increased from 3.0 to 5.0A in 0.04seconds. How large is the induced emf in the secondary coil as generated by the primary?

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Course Skills and Concepts Physics Coursework

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Velocity is a vector quantity that has both magnitude and direction. For the rate to be changed, both volume and order have to be changed. A body moves along a circular path with a uniform speed; thus, its direction changes instantly. According to Newton’s law, a force must exist to change velocity; this force is the centripetal force.

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Formulas on Physics Physics Assignment

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25-A person who weighs 650 N rides a bicycle. The pedals move in a circle of a radius of 40 cm. If the entire weight acts on each downward-moving pedal, what is the maximum torque?

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Signals and Noise Physics Report

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The receiver, on the other end, can detect transmitted weak signal in the free area. It processes the detected signal to the required strength before retrieval of important information.It also detects band limits and amplifies received RF signal.

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MR Spectroscopy Physics Report

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An example of such waves could be small, ring-shaped, and made from a variety of wires and shapes. These surface coils usually have very high sensitivity and are limited to penetration. They are applied in examining the anatomy of the surface of the patient’s body. (Lambert & Mazzola, 2004).

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Hyper Thermal Events and Climate Change Physics Essay

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Hyper thermal events were because of the release of large carbon dioxide volume in the atmosphere—this increases atmospheric temperatures and the ocean's eventual acidification. On the other hand, the climate is the prolonged changes in a given area's climatic conditions because of a gradual increase in atmospheric temperatures.

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Electron Physics and Electron Topography Physics Report

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Some rules govern the atom's transitions; ∆n<0, ∆l<±1, and ∆j=0±1. Particles typically naturally the lowest energy state. Excitation by external energy input causes thermodynamic instability, and in the effort to restore to the most downward energy state, electron transitions occur.

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The Distribution Board Provided Physics Report

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A comprehensive description of all equipment used, including their functions in the system. A detailed stepwise description of the power flow from the HV supply to the LV load side plus the calculation of the total load.

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Principles of Electromagnetic Radiation Physics Assignment

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During the reflection and transmission of the electromagnetic radiation, the prevailing electromagnetic waves typically transfer energy to the electrons of the material. This subsequently causes the electrons of the underlying material to vibrate.

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The Mode of Distribution Physics Case Study

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The country also has several oil fields that are drilled to produce crude oil processed to produce petroleum and other products. Natural gas occurs hand in hand with oil, and it is also mined from the ground and piped for distribution to various areas for both commercial and domestic uses.

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Electron Physics Physics Case Study

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The frequency of the photon is proportional to the amount of power it possesses. Thus, higher frequency photons, including X-rays, have high levels of energy and radio waves have low energy. K shell refers to the lowest energy level, and the L level is the level that is above the K shell.

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Advantages and Disadvantages of Nuclear Energy Physics Essay

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Worldwide, there are instances of nuclear energy-related problems in some nations. A better example is what actually happened in Japan’s Fukushima nuclear power in 2011 which left a giant disaster that is still being felt up to date. Other instances are the Chernobyl disaster of 1986, Morocco’s radiation accidents among others. (Hancocks, 2013).

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Mythbusters in Science Physics Report

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. In scientific terms, they wanted to establish whether height affects the impact of a falling object; this was a physics phenomenon that had been studied years ago by Galileo and scientists from NASA. Galileo had also conducted a similar experiment in his home country where he dropped objects from the leaning tower of Pisa.

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Design of a New Imaging and Cancer Care Facility Physics Coursework

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Each of the imaging and cancer facility center's diverse parts will require the installation of sets of complicated electrical, telecommunications, and mechanical systems and pieces of equipment, all of which must be incorporated in the design (The American Institute of Architects 81).

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The Air Pollution Problems in Beijing Physics Essay

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Among the germs that come top on the list are; coal combustion, exhaust from vehicles, and fugitive dust. The breakdown is distinctively characterized by the massive levels of pollutants from coal burning. These pollutants are sulfur dioxide (SO2), particulate matter (PM), and photochemical products like ozone (Leitte, Schlink, and Franck 125).

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The Relationship between the Peak Height of a Bouncing Ball and the Time at the Peak Height Physics Coursework

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The data collection process's restrictions were in the determination of the uncertainties in the data, particularly in about determination of the uncertainties in the time taken to attain peak in each bounce. However, considering the strength of the correlations, I was able to correlate the data and attain the best fit line based on the uncertainties.

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International Space Station Systems Engineering Risk Management Physics Case Study

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This company is run by various organizations, including Boeing, NASA, the prime contractor, and other international partners (Young 429). The ISS has many customers who require to be well protected from any danger or anything that might harm them. Some of their customers include Congress, Administration, the public, users, and international partners.

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The Cosmology Physics Coursework

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As such, Steven D. Miller introduces us to the solution. In this case, the new sensor by the name Day Night Band can detect even a single streetlight from the space. This technology encompasses the imaging radiometer that uses a visible radiometer suit that flies on the Suomi-NPP satellite.

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Electric and Hybrid Cars Physics Report

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Generally, alternative energy is currently perceived as the harnessed energy and recovered without harmful or undesirable effects on the environment, e.g., carbon dioxide emissions or greenhouse gas effects. Alternative energy includes clean, renewable, and sustainable sources such as solar power, wind, biomass, wave, and tidal energy.

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Electric and Hybrid Cars Physics Report

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Carbon emissions are usually the products when an engine burns off fuel to move the car. Therefore, the vehicle or the automobile industry generally has been attributed to the rapid rise in global warming. This has spurred up talks among the environmentalists and the carmakers to make them develop greener cars.

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Physics of Collision Physics 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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Plastics Testing and Failure Analysis Physics Lab Report

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The general characteristic test distinguished most of the samples by color given that most of the other properties tested such as transparency was the same in almost all the samples. The results of the burning test, however, outlined the major differences among the sample in terms of flame color, melting, and dripping manner.

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The Probability of Tossing a Coin Physics Lab Report

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The result obtained follows a normal distribution. The percentages of decay represent the half-life of the decaying particle. To study radioactive decay and decay randomness of radioactive decay process by using probability from tossing a coin. Tossing coins is a good model for radioactive half-life.

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Rainbows, Spectrum of Colors Physics Report

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Layman's explanations such as 'The rainbow is made up of seven 'colours have been seen in a wide range of materials. Such descriptions provide obvious observable facts without giving proper background foundational principles regarding the origin of Rainbows. However, scientific explanations offer more concrete and tangible answers that have been confirmed incomplete experiments that have been performed in the laboratory environment.

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Basic Thermodynamics Physics Assignment

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A thermal efficiency is a tool through which the measurement of efficient conversion of heat energy into work is observed. Through this thermal efficiency, the efficiency of the heat engine can be improved by the engineers, which cause less consumption of fuel and thus less pollution and lower fuel costs.

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Characteristics and Uses of Lenses Physics Case Study

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The light rays converge as they pass through the biconcave lens at the top and diverge as they pass through a biconcave lens at the bottom. Lenses are used to change the shapes and sizes of images received through it. Lenses can make images appear larger or smaller. Lenses are known to affect light focusing on a process called refraction.

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Mass Spectrometry Physics 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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Fabrication of Microelectrodes and PDMS Molding of Microfluidic Structures Physics 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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Physics-Based Ultrasound Physics 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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Principles of Remote Sensing Physics 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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Stress and Strain of Aluminum Physics 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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Alessandro Giuseppe Antonio Anastasio Volta, and His Contribution To Modern Electrical Understanding Physics Report

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The unit used to measure electric potential difference (voltage) was named after him, i.e. Volt. He performed the first voltaic pile experiment that led to the development of electric batteries that are used today. He was an Italian who lived in the 19th century. He also made several other discoveries like methane gas. He was a professor of physics at the University of Pavia.

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What Do You Know About Minerals Physics Essay

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Fluorite is a mineral made from calcium and fluoride. This mineral gave us the word fluorescence because when viewed under ultraviolet light it glows. Fluorite is an important mineral in steel production because it acts as a flux, allowing the molten metal to flow more easily. It is found in many colors and has been called the most colorful mineral in the world.

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Factors Affecting Life Cycle of Photons Physics Report

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Electrons have mass and energy and do not disappear and they change energy. Photons, on the other hand, do not have mass or energy but they appear and disappear. An electron traveling through the energy levels of an atom loses energy and thereby a photon is created. The photon created is now free to travel in space.

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Geology of Colorado Physics Report

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In Colorado, Archean rocks tend to be particularly dominant in the rocky areas. There is no evidence brought forth about how plate tectonic processes dominate earth dynamics today. However, craters that exist in the Wyoming province comprise large domal masses that seem to be everywhere.

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Importance of the Areas Studied by Geologist Physics Essay

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For a non-scientist, facts do not matter as what they usually consider to be a theory usually has an evolutionary basis. In most cases, their claims are not testable, and little can be confirmed of the idea suggested. Thus, in a non-scientist perception, a theory is a simple belief that has not undergone an evolutionary process (Russel et al., 2011).

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Mixture and a Compound Physics Lab Report

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This document contains elaborative differences between mixtures and compounds through their properties and formation, the variation of components that make them distinctive, and how their components can be separated. It also describes how to differentiate an element and a compound despite being pure substances by results from decomposition.

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Fluid Mechanics: The Continuity Equation Physics Lab Report

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The increase in the velocity of the fluid is due to the fact the venturi-meter tries to maintain the rate of flow. In this way, it can be said that the energy that makes a fluid flow become constant. It is clearly determined that the flow rate of fluid changes from 132.4 X 10-6 m3/s, 10-liter volume to 464.9 X 10-6 m3/s, 25-liter volume.

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Motion in One and Two Dimensions Physics Lab Report

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The theories on motion in one dimension and two dimensions will be used to help analyze the data to be obtained from experiments. The two experiments entail using the floating hockey puck and the carbon paper. This apparatus will help to conduct the one- dimensional motion experiment and the two- dimensional experiment.

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Interactions among Soil Abiotic and Biotic Components Physics Coursework

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The soil has a unique physical property of water infiltration and storage. Typically, urban landscapes consist of soil drainage that is complex and varies in terms of moisture content and drainage patterns. This result of a combination of urban factors that either increase or decrease the content of water in soils.

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Phenomena of the Photoelectric Effect Physics Lab Report

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The stopping voltage is not depended on the light incident intensity. The estimated value for the planks constant was 6.1 x 10-34Js. This value is smaller than the real value. The simulation of the experiment provided accuracy through the provision and simulation of the vacuum and giving the electron movement view on two metal surfaces.

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The Particle as It Travels through the Water Cycles Physics Essay

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The water vapor in some of the cases stays on the land. Precipitation occurs when the water droplet stays on the surface of the earth and becomes part of the surface water. If the water droplet lands on any of the urban areas; there are chances that it may land in a gutter, on the roof of a house, or on a driveway.

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Water SODIS Experiment Physics Lab Report

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The surface water carries tropical and infectious diseases and needs treatment before they are used for consumption, lacking potable and adequate sanitation and water supply facilities exposes the malnourished population to various water diseases. Diarrhea is one most common diseases from contaminated water.

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Physics Essays