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Physics Essays

Result for Subject Physics:
1442 essays
Image contrast is normally described as proton density: T1-weighted or T2-weighted Physics Essay
3 pages (750 words) , Download 2 , Essay
T1 weighted images To achieve perfect TI weighted image weighting after the application of a 90° RF excitation pulse, the net magnetisation vector (NMV) is flipped into the transverse plane. T1 recovery occurs as nuclei give up their energy, and the NMV begins to realign with B0, thus regaining longitudinal magnetisation.
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Microscopes and telescopes. Our center of reality etc Physics Essay
7 pages (1750 words) , Download 2 , Essay
Eternity of the universe that has long been associated with ourobosis is in doubt. The universe that astronomers believe was formed 15 billion years ago with the initial establishment of hydrogen and helium elements is nearing its end. Forces of gravity collapsed the clouds of hydrogen and helium to create stars.
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Organic memory transistor Physics Essay
3 pages (750 words) , Download 2 , Essay
The structures in the OTFT and OTFMT as (MIS) where PMMA was fabricated by a spin coating to produce 300nm of thickness and gold nanoparticle was formed between PMMA layers and sandwiched using thermal solution with the gold nanoparticle solution (Fakher & Mabrooka, 2012).
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The Pleistocene Age Bonneville Flood Event Physics Research Paper
3 pages (750 words) , Download 2 , Research Paper
In addition, other features revealing the occurrence of a great flood include several features generated by the waters of these successive lakes (Atwood, 1). There was a shattering flood in the lake that caused its waters to overflow and spill over to the Snake River basin through the Red Rock pass.
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Earth's atmosphere, Clouds, and Air pressure and Wind Physics Assignment
3 pages (750 words) , Download 2 , Assignment
Negligible quantities of dust, volcanic ash, and other particulates in solid form are also present in the atmosphere with the main gases to facilitate the formation of clouds. In general, Earth’s atmosphere assumes the role of shielding all living things against the sun’s harmful ultraviolet (UV) rays.
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Visit to California Science Center Physics Essay
3 pages (750 words) , Download 2 , Essay
I visited this science center on 28th May, 2012. Every year, it hosts the California State Science Fair. This museum is the best museum of the West especially for those students who take interest in learning and discovering new things. It offers exhibitions on a variety of topics and provides insight into scientific things.
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Atomic Energy Exercises Physics Assignment
3 pages (750 words) , Download 2 , Assignment
Since potential energy of particles is inversely proportional to the separation distance then the greater the distance the less the potential energy and the smaller the separation distance the greater the energy between the particles. Comparing the two curves, curve 1 smaller distance of separation of the particles compared to that of curve 2.
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Energy Sources of the Future Physics Essay
3 pages (750 words) , Download 2 , Essay
The main problem with fossil fuels is that it is not renewable and will be depleted one day which means that the world has a limited supply of fossil fuels. It would be wrong to say that alternative energies cannot efficaciously replace fossil fuels considering the fact that there are various amounts of alternative fuel and energy sources existing and the scientists are constantly researching for new and better forms of energy.
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Hurricanes Physics Book Report/Review
3 pages (750 words) , Download 5 , Book Report/Review
Free
There are different types of tropical cyclones; for example, we have winter storms which are the largest cyclones and tornadoes which are the strongest; however, hurricanes are neither the strongest nor the largest cyclones, but their size combined with their strength makes them the most powerful tropical cyclones on the earth.
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Noise Pollution Physics Essay
4 pages (1045 words) , Download 3 , Essay
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According to the paper, atoms, and molecules that float in outer space are too far apart to actually cause any vibration or sound. A loud explosion in outer space would hardly be heard because of the vacuum. Unlike electromagnetic waves that easily travel through space, sound waves are caused due to vibration of matter.
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Magnetic Resonance Imaging Physics Research Paper
3 pages (750 words) , Download 4 , Research Paper
Free
MRI is capable to generate clearer and more detained images as compared to the X-ray or Ultrasound scanning techniques. The physics behind the MRI scanning involves the complex nuclear physics and magnetic directivity and resonance. A MRI scanning device is fairly a large device, which is able to hold a person in it.
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Nuclear Energy as Fossil Fuel Replacement Physics Term Paper
2 pages (767 words) , Download 2 , Term Paper
Free
It is undeniable that the world has been largely dependent on fossil fuels as the primary source of energy to drive various aspects of the economy. However, fossil fuels are non-renewable hence necessitating the need to come up with a better source of energy. Nuclear energy is one of the most viable alternatives for fossil fuels due to its efficiency. 
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The Disposal of Transuranic Waste: Dolomite Physics Assignment
4 pages (1000 words) , Download 2 , Assignment
Free
The author states that the mineral contains impurities such as chiefly silica, alumina and iron oxide. The percentage of lime and magnesia in the mineral varies. When the amount of CACO3 increases by over 10 percent, the mineral is called lime dolomite and a reduction in the percentage of MgCO3 is called dolomitic limestone.
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Comparing Two Methods of Energy Production Physics Research Paper
7 pages (1975 words) , Download 3 , Research Paper
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Energy is considered the most important need of humans. In most regions of the world, life is considered to be incomplete without power. Electric appliances, ovens, stoves, etc consume energy. To generate energy, many methods have been utilized. The selection of a method and the priority of selecting one method of energy generation over the other.
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Current flow in a circuit (purely resistive and restive-capacitive Physics Lab Report
4 pages (1000 words) , Download 4 , Lab Report
Free
The current may cause effects such as heating or even induce magnetic fields preferably used for generators, motors and inductors. Current generally flows from the positive terminal towards the negative terminal of battery and there is voltage drop across the electrical elements in the circuit due to resistance, reactance or inductance.
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Lab Research Report 2: Global Warming: Cause and Mitigation Physics Lab Report
3 pages (750 words) , Download 3 , Lab Report
Furthermore, for the natural climacteric trends, human beings did not play any part as it was purely an occurrence of nature that involved orbital variations of the sun, which instigated global warming. Following the initiation of natural warming, the greenhouse carbon dioxide gases are released, after which the gases combine with methane to increase the orbital warming.
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String and tube instruments Physics Essay
6 pages (1500 words) , Download 2 , Essay
A wind instrument is a musical instrument that holds some kind of resonator with an air segment inside it. A player blowing at the mouthpiece will initiate vibrations at the end of the resonator. The pitch of the vibration is dead set by the length of the tube and by manual alterations of the adequate length of the vibrating segment of air (Bobbie, 15).
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Information System in Business Physics Essay
4 pages (1168 words) , Download 3 , Essay
Free
However, e-commerce can be categorized into the following types of business that are conducted via the Internet. This includes (Define E-business and E-commerce (what is the difference between e-business and e-commerce): E-commerce transactional Websites; Relationship and service-oriented websites; Brand Building Website; Portal Website.
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The Joplin Tornado Physics Essay
7 pages (2205 words) , Download 2 , Essay
Free
The Joplin Tornado is considered to be the most severe tornado in the history of the United States since 1953 as the optimum wind velocity was about 200 miles per hour that created enormous damage in Missouri. The death toll was 162 which topped the number of causalities produced by a tornado of 1953 in Flint, Michigan in which 115 people died  
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Hurricane Galveston Analysis Physics Research Paper
6 pages (1559 words) , Download 2 , Research Paper
Free
In 1900, it came up with a speed of 135 mph, a category 4 hurricane. The storm in question brought waves which as per the calculation of experts was fifteen- feet high. The cited hurricane claimed more than 6,000 lives and several people wounded. It destroyed the major shipping port and forced the businessmen to shift their entire business to Houston.
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Determining acceleration due to gravity using a simple pendelum Physics Lab Report
3 pages (750 words) , Download 2 , Lab Report
However, this force exhibits significant variations based on any given body’s location on earth’s surface besides influenced by both altitude and latitude (Hu?ttl 19). Premise asserting effects due to altitude states g changes inversely relative to the distance from the world’s center; hence, its values are 9.78m/s2 at equator and 9.83m/s2 at poles (Hu?
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Cell Phones and Radiation Physics Essay
8 pages (2000 words) , Download 2 , Essay
Free
This discussion stresses that cell phone technology has played a leading role in the evolution of globalization. Being cost efficient, the technology has brought with it an era of convenience and has become part of the everyday lives of billions of people around the world. The reliance on cell phone is not limited to cordial conversations.
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Types and Quality of Amplifiers Physics Coursework
6 pages (1731 words) , Download 3 , Coursework
Free
The amplifiers can be classified in various ways resulting from the ways they are applied, the frequency range that cover of the amplifier, and in other cases, the active devices that are used. In terms of usage, it is expected that the amplifier will basically increase the power of the said signal without doing any sort of alteration to it.
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Main Reasons why Humans Remain Earthbound Physics Essay
7 pages (1750 words) , Download 3 , Essay
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A Discussion and Review of Some of the main Reasons why Humans Remain Earthbound. Since the dawn of time, mankind has looked to the heavens and imagined the ultimate question of whether or not we are alone. This preliminary question of astronomy has predate the very first telescope, the basic understanding of how planets revolve around the sun, and/or the fact that the celestial bodies are themselves not a representation of a pantheon of Gods.
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The Reinterpretation of Dreams: An Evolutionary Hypothesis of the Function of Dreaming Physics Essay
11 pages (3213 words) , Download 2 , Essay
Free
Even a period of exposure to media violence intensifies expectations of aggression as a means of resolving a conflict. The study also demonstrates that even where there is no conflict, exposure to media violence can influence the exposed individual to misinterpret situations as possible hotbeds of conflict which in turn leads to expectations of aggression and thus invokes aggressive behavior.
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Physics Science: The Properties of Heat Physics Research Paper
3 pages (750 words) , Download 2 , Research Paper
The whole universe is believed to be made of two things: matter and energy. Both energy and matter are inter-convertible even though it is impossible for us to create matter or energy. In fact, energy can neither be created nor be destroyed even though we can transform energy from one form into different forms.
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Alternatives Open to the Greek Government to Alleviate Its Economic Woes Physics Essay
5 pages (1485 words) , Download 2 , Essay
Free
It is essential to state that Greece is the 32nd largest economy in the world with a GDP in 2010 of US$ 320 billion (CIA factbook). Greece became a member of the EU (European Union) in 1999 and a member of the EMU (European Monetary Union) in 2001. Since 2009, the Greek economy has seen negative growth.
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Electric and Magnetic Fields Physics Essay
4 pages (1000 words) , Download 3 , Essay
These fields also build due to heating coils and motors of electronically operated equipment including the ones present in industrial or automotive engines. In understanding the nature of light being one perspective, one ought to have adequate knowledge of electric fields and magnetic fields.
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Summarization for 7 chapter of the weather makers Physics Essay
4 pages (1000 words) , Download 2 , Essay
Within the chapter, the specific examples of El-Nino and the means by which extreme weather patterns are becoming more of a standard within world weather patterns than an aberration is heavily discussed. Interwoven into the chapter is the actual means by which humans are responsible for some of the extreme weather patterns that the author lists.
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Hannebachite- a rare and important Sulphite Physics Term Paper
6 pages (1500 words) , Download 2 , Term Paper
Free
Hannebachite is an important natural mineral.The composition of Hannebachite is CaSO3.H20.It is also known as calcium sulfite hemihydrates. It is one of the most stable forms of Calcium sulphate and basically is categorized in the sulphite group It is the second recorded sulphite mineral.
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Equations of Motion Physics Essay
7 pages (1750 words) , Download 2 , Essay
Introduction. Simple harmonic motion involves an oscillating motion where by the restoring force is proportional to the displacement. When a system is set in a to and fro motion, a periodic motion is produced. This is referred to as vibration. When a body is at rest, it is said to be at its equilibrium position.
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Comparing scholarly article and media article: Physics Essay
3 pages (750 words) , Download 2 , Essay
Being born far away from its star, hot Jupiters move towards to the star. Scientists have questioned and posed how the halting of migrating planets might happen. The research testified various occurrences using the planets that are confirmed by NASA’S Kepler telescope.
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Milky Way Galaxy and Electromagnetic Spectrum Physics Assignment
3 pages (773 words) , Download 13 , Assignment
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The universe is so large and enormous that it cannot be explained in words nor can be imagined by anyone. Our earth which feels and seems to us very large is actually equivalent to a small dust particle in comparison to the enormous universe. Universe consists of a number of different elements.
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Prepare an Observing Proposal (See attachment) Physics Essay
4 pages (1000 words) , Download 2 , Essay
Of particular interest is to ascertain the implication of technological revolution to astronomy. This paper proposes the study of the Messier 6 Butterfly cluster using the modern Keck Telescope. What has the state-of-the-art Keck Telescope offer in terms of superiority to other telescopes?
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How Did Major Discoveries in Physics Change the Course of Chemistry Physics Term Paper
10 pages (3081 words) , Download 2 , Term Paper
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Numerous present technological advancements resulted from early discoveries though through critical inquiries of other previous scientists, which yielded to more developments. This is especially true in advancing and challenging what former intellectuals stated irrespective of their different specializations to come up with extremely complicated gadgets.
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Stress and Strain Physics Physics Coursework
8 pages (2257 words) , Download 3 , Coursework
Free
A brittle substance such as carbon fiber and concrete does not have a point of yield and therefore does not strain harden. The breaking strength and the ultimate strength are hence similar. The graph above hence indicates that typical brittle objects do not demonstrate any kind of plastic deformation but just fail as the deformation is elastic.
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Magnetic Resonance Imaging Physics Assignment
15 pages (4055 words) , Download 2 , Assignment
Free
A wide range of medical imaging modalities has emerged that utilize perfusion application in a variety of medical fields. Perfusion applications are used to assess the distribution of blood to a vascular bed. Either endogenous or exogenous tracers can be utilized to regulate hemodynamic quantities, for instance, blood movement, blood capacity, and the average time.
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NASA Mission Physics Research Paper
3 pages (750 words) , Download 4 , Research Paper
Free
General outline of the Kepler mission The Kepler mission aims at exploring the Milky Way galaxy for discovery of other planets in the space that are equal to or smaller than the earth and orbits stars. The mission also seeks to discover proportions of stars that may have such planets orbiting around them.
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Radiobiology of proton therapy, heavy ion therapy and neutron therapy Physics Essay
10 pages (2500 words) , Download 3 , Essay
Apart from surgery, it is considered one of the most frequently used and effective therapeutic option for patients with localized malignant tumors as well as other forms of cancers. Particle beam therapy modalities are primarily based on the biological response of living cells to ionizing radiation.
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Aircraft Maintenance Planning Procedures Physics Research Paper
9 pages (2500 words) , Download 2 , Research Paper
Free
This is a document about an aircraft for purposes of recording any malfunctions and defects that may be discovered during operations; recording details of all maintenance checks when the aircraft is in scheduled visits operations; the document contains operating information relevant to flight safety and maintenance data required by the operating crew.
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Pertinent Information about Diamonds Physics Research Paper
4 pages (1181 words) , Download 2 , Research Paper
Free
Diamond may also be defined as a really hard form of carbon that is greatly refractive. The stone, which is normally used as a gemstone, is usually colorless. In terms of mineral hardness, a diamond is considered the hardest known natural object. The word diamond was derived from an ancient Greek word, adamas, meaning unalterable or unbreakable.
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Theories of Electricity and Magnetism Physics Essay
5 pages (1250 words) , Download 2 , Essay
In this relation, a magnetic field refers to the region around a magnet where the effects of a magnet are experienced. The connection between magnetism and electricity lies in electrons or the negatively charged subatomic particles that are contained in the atoms of every element.
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Scanning Electron Microscope Operation Physics Essay
6 pages (1791 words) , Download 3 , Essay
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The signals derived from the interaction between the sample and the electron reveal information regarding the sample inclusive of texture, material orientation in the sample, crystalline structure, and chemical composition. During most of its applications, data collected over the selected sample surface area is generated as a 2-D image.
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Lab Research Report 1: Procedures in the Physical Sciences Physics Lab Report
4 pages (1000 words) , Download 2 , Lab Report
This has identified concerns over challenges in physical science measurements, a scope that I seek to explore in this paper. I discuss challenges to making direct measurements in a physical science field, strategies to overcoming the challenges, and survey procedures in physical sciences fields.
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Lights and Optics: Newtons Particle Theory Physics Essay
5 pages (1290 words) , Download 2 , Essay
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Near the end of the 17th century, concerns regarding whether light is composed of waves or particles surfaced (“Theory of Light”). The idea of light being composed of tiny particles was proposed by Sir Isaac Newton. Christian Huygens, the Dutch physicist proposed the idea of light being composed of waves in 1678 (“Theory of Light”).
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Mechanical vibrations Physics Essay
12 pages (3000 words) , Download 2 , Essay
Vibrations are constant oscillations in the mechanical system. A running engine in the car produces constant vibrations. In cars, these oscillations are tried to avoid by adopting different tactics; while in mechanical vibrator separator, vibrations are utilized to separate the products.
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The Acceptance of E-Banking in UAE Physics Essay
10 pages (3271 words) , Download 2 , Essay
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Customer satisfaction in e-banking services and brands is often gauged by the analysis of the frequency of use of these products ahead of traditional banking practices. The reliance an individual would place on E-Banking can to a reasonable extent be assessed by examining the frequency with which clients of a bank use the E-Banking services.
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Echo-Planar Imaging in Magnetic Resonance Imaging Physics Essay
9 pages (2454 words) , Download 2 , Essay
Free
MRI, or magnetic resonance imaging, fabricates information for a picture from a sequence of separate samples of signals. Echo planar imaging, or EPI, is a method that can form an absolute image from a single data sample. This provides significant advantages, as far as the speed factor is concerned. EPI is fundamentally just a trick of spatial encoding.
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The Conversion of Energy from One Form into Another Physics Essay
3 pages (943 words) , Download 2 , Essay
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The basic concept of utilizing geothermal energy is by heating liquid water until it vaporizes as steam so that heat is released and this mechanism is the sole role magma is needed for. Pressure results from the heat in the steam and becomes the chief component of work in running engines that create electricity (How Geothermal Energy Works).
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Labs H, P, & S Physics Lab Report
3 pages (750 words) , Download 2 , Lab Report
A 5 cm square glass plate was placed on top of a white paper that was placed on top of an 8.5” by 11” cardboard. The outline of the square glass plate was drawn, and then the glass plate was removed. A straight line that made an angle of 60 degrees with the plate edge was drawn using a ruler from the upper outline, and labeled IB.
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