Essays on Physics

Who is Stephen William Hawking?
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Stephen William Hawking (January 8, 1942 - March 14, 2018) who study on theoretical physics and cosmology was a British physicist. He worked at the University of Cambridge as a professor by doing research at the Centre for Theoretical Cosmology. In his goal, he focused on the study of gravity, black holes, and universe. At the same time, he was an author as well, he wrote several books in cosmology and the most famous one is “A Brief History of…...
PhysicsScienceStephen Hawking
Fossil Fuels Debate Essay
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Sustainability Sustainability is the way for the planet to survive indefinitely without depleting its resources; in this way future generations can survive and fulfill their own needs (Mcgillca, n.d.). In other words, to be able to maintain a balance with the planet’s own natural cycles and the needs of the public. The fields of ecology and biology aim to study the natural environment and the interactions between organisms. Biology is the study of life and “ecology is a branch of…...
Fossil fuelsFuture Without Fossil FuelsSave Fossil Fuels
Problems and Consequences of Fossil Fuels
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Our Unit Of Inquiry statement is In the quest for Societal advancement, people must be encouraged to take action on Global important issues. We consume Fossil Fuels faster than we ever have by producing 21.3 Billion Tonnes of carbon dioxide which is harming our planet and expect to live on this planet for thousands of generations to come? Our whole life is based around fossil fuels because wherever you go, you'll, unfortunately, see them around you just because of the…...
Fossil fuelsFuture Without Fossil FuelsSave Fossil Fuels
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Common Electrical House Appliances Problem And How To Fix It
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Common Electrical House Wiring Mistakes People Do A house is incomplete without beautiful lights, fans and electrical gadgets that suffice the daily needs of a family. As important as the family bond and love is, so are the basic electrical appliances, to keep the home working in peace. It is important to have these electrical appliances and it is more important to fix them right. The beauty of homes should remain intact while wiring these essential appliances however many a…...
Electricity
Visiting Bagumbayan Light and Sound Museum
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I remembered going to this Light and Sound Museum because we were required to visit this museum last school year in our RPH class. At first, I thought the museum is just small but the inside is actually spacious. A diorama of one of the fights battled between the Filipinos and Spaniards. The exhibition hall was separated into various rooms. Every last one of them is portraying a portion of the features of Philippine history. It has dioramas-moving reproductions of…...
LightMuseum
Advantages & Disadvantages of Solar Energy
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Introduction As this report is on Solar Power, it is good to start the discussion with some general thoughts on Energy. Which is a very essential part of life and contributes directly to the country’s economy. Energy: Energy is the capacity of a system (physical) to perform work. OR Energy is the ability to do work. It exists in different forms such as heat, kinetic or mechanical energy, light, potential energy, electrical, or other forms. Energy sources could be defined…...
EnergyNatureThe Benefits Of Solar Energy
The Role of Physics in Golf
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Physics plays an important role in the way athletes can perform; this can be seen through types of factors that influence sport performance. In golf, these factors may influence the shape of the golf clubs and how they’re made, as well as the shape and manufacturing of the golf ball. The intent in this report is to highlights certain aspects of physics that, to a great extent, influence sport performance. This will be demonstrated by in-depth analysis through the manufacturing…...
Physics
To investigate the affect
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Any structure that overhangs e. g. a bride is known as a cantilever. There is a direct relationship between the applied force and deflection of a cantilever. Aim: To investigate the affect of changing the force applied to a cantilever on its deflection. Equipment: Meter stick - to act as a cantilever Meter stick - to measure deflection Retort stand to hold measuring meter stick G clamp - to clamp cantilever to bench 100g masses - to provide the applied…...
Physics
The resistivity of constantan
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It is imperative that you do not touch or place loose wires onto the wire that is being tested as it becomes hot during the experiment. Leave the wire after the experiment for a brief period in order to let the wire cool. Apparatus: Varying lengths of Constantan wire (as designated in plan) to be tested Rheostat Power supply Voltmeter Ammeter 2 connecting wires with crocodile clips connecting wires A 1 metre ruler Scissors The following circuit was used in…...
PhysicsScience
Connex Atom Notebook
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Laptops offer a ton of benefits to computer users everywhere that desktops simply can’t provide. While you may have to sacrifice a little power or up your budget a little bit to get exactly what you want, in the end it is all worth it as you will take home a computer that is complete and ready to be used without having to spend time connecting a bunch of different wires to it just so you can turn it on…...
AtomFacebookInternetPhotoshop
Simple pendulum
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Hypothesis The period of an oscillating pendulum is given by the equation: T=2pi sqrt((l)/(g)) Where T is the period time of the pendulum, L is the length of the thread of the pendulum, and g is the gravitational acceleration. The acceleration due to gravity can be calculated using this formula and by knowing both the time period, and the length of the thread of the pendulum. Apparatus Spherical bob, Thread, Stop Watch, Tall Stand Clamp Method Attach a long piece…...
EducationExperimentPhysicsThe Pit and The Pendulum
Potassium Iodide
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I will use 100cm3 cylinders to measure out the solutions, and a pipette to measure the starch. Procedure Serially diluted concentrations of Potassium persulphate were measured out, starting with 10cm3 of Potassium Persulphate giving a concentration of 0.05M. A further 10cm3 of 0.05M Potassium Iodide was measured out. A beaker was taken and using a pipette, 0.1ml of starch was placed into the beaker. The beaker must be wrapped in paper to keep light out so that the temperature is…...
PhysicsTechnology
Positive light
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This setting affects the reader's perception of the monster because the fact he is living in such a place shows us two things about him that have considerably changed since chapter 5. The first is that he has realized that he will never fit into human society, so he has chosen to use his superhuman physical abilities to live in a place where humans cannot reach. The second is that he has gained independence and can now look after himself,…...
LightPhilosophyPsychology
Of physics principles fusion
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This type of nuclear reaction for energy process produces a lot of long term radioactive waste which is quite difficult to dispose off and also there is a high probability of an event of a nuclear meltdown (a severe overheating of the nuclear reactor's core resulting in the core melting and radiation escaping).. a In all these complications of using the right source of energy, this is where the purpose of nuclear fusion research comes into picture. The smart features…...
NaturePhysics
The longer the wire the higher the resistance
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To make it a fair test the thickness, temperature and type of wire will be kept the same and voltage will be kept at setting 2 as in the 1st experiment. The main reason for using crocodile clips in this experiment is because (as well as the reasons mentioned in the 1st experiment) they can slide easily up and down the wire, making It easy to record the results at different lengths. Safety Using a low voltage setting (2v) will…...
ExperimentPhysics
How to protect iron from rusting
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To investigate the ability of metals to act as a sacrificial protector of iron, preventing or reducing rusting. Theory Iron oxide is more stable than iron metal, so when given the opportunity iron will be readily oxidised. Iron reacts with oxygen and water to form a hydrated form of iron(III) oxide (Fe2O3i?? xH2O), known as rust, which is permeable to air and water so the metal underneath the rust layer continues to corrode. The iron atoms readily give away two…...
PhysicsScience
Kinetic energy
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Introduction Originally Gravitational potential energy (mph) is stored in a ball before its released. as the ball falls and the speed increases The potential energy of the moving ball is changed to kinetic energy (1/2mv2) then it looses all the potential energy as soon as is touches the floor. If there is no energy loss the energy (I. e. P. E and K. E) remains the same The ball deforms and slows down as it touches the ground. Here the…...
EnergyNature
Magnetism and Electricity
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Diagram Preliminary results. Voltage Length of wire Current Resistance? Preliminary Conclusion. From these results it is evident that two 1. 5 Volt batteries should be used because they produce the desired range of current. However, when the length of wire is 10cm the current is too high because the temperature of the wire increased instead of staying constant. Therefore the range of the lengths in the investigation is 20cm to 100cm. These results conclude that to produce the desired range…...
Electricity
Electric shock
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Electric shock: When used inappropriately, electric shock can result and cause serious injury. Explosion and fire caused by electrical sparks, short circuits or overload heating in the presence of flammable material can occur. Parent or teacher supervision is required and was present during the use of electrically powered equipment (electric drill and freezer) in this experiment. Plugs that were cracked or broken were not used. The cable was checked to ensure it was in good condition and free from breaks in…...
Energy SourcesPhysicsTime
The distance travelled by the margarine tub
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These averages will be used to plot a line on a graph. I am predicting that my line on the graph should look something like this: Detailed method In this investigation, there will be variables that I will have to change and ones that are to be kept the same throughout. There are 6 variables that are likely to effect the investigation, these are; the force applied by the hand on the elastic band, the surface area of the base…...
ExperimentMathPhysics
Compare two odes by Keats in light of this observation
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This shows the author’s view on beauty. He is ambivalent about the permanence of beauty. Keats believes although there is pleasure in beauty, as he says in Endymion ‘A thing of beauty is a joy forever’, beauty is not perfect everywhere. As he is dying, he sees that beauty in people is ephemeral, unlike the figures on the Urn whose beauty ‘cannot fade’ and the nightingale’s song which is so old it may have been heard by ‘the sad heart…...
LightLiterature
Aim To determine the coefficient of static friction
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In this experiment, the coefficient of static friction (s) between a wooden block and granite plane was determined. The coefficient of static friction (s) between the wooden block and granite plane was found to be 0.396 0.0001. The experiment was rather precise as the readings were quite close to the line of best fit when the readings were represented graphically. However, there certainly are sources of error in the experiment. Sources of Error 1. Uncertainty in the triple beam balance…...
FrictionScience
Advancing Physics Coursework
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The Theory of Gravity has been transformed through the last century, from an original and important classical framework to more recent relativistic and then quantum interpretations, eventually culminating in a specific requirement to link it all together with the other forces and create a unified theory of everything. The search for unification is currently very much dependent upon experimentation and raises questions as to the scientific validity of String Theory and whether it exists as science or philosophy - or…...
PhysicsScience
Young’s modulus of Nylon
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If all three of these experiments were to be perfect then the final Young's Modulus value would be the same in each, so this will be a good test of how much my investigation has suffered from error when I examine the range in the three values. N. B In my actual practical experiments, I have decided to measure Engineering Stress, as opposed to True Stress. As Engineering Stress does not take into account cross-sectional area changes, this will prevent…...
ExperimentPhysics
Workplace Ergonomics
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In today’s hectic lifestyle, occupation or work related ill healths are on the increase. Physical and mental strain contributes to relative stress, which affect the physical or mental state of the individual. Ergonomic designing of the workplaces, helps to avoid, if not reduce stress factors. The design and arrangement of desks, chairs, computers, and other work associated items according to the age, body weight, height and age of the user, would not only help the user, but also improve work…...
HealthLightWorkplace
Why TCXO is preferable over standard crystal oscillator?
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A crystal oscillator is an electronic oscillator circuit that draws on the mechanical resonance of a vibrating crystal of piezoelectric material. is the best option, in case you are looking forward to generate an electrical signal with a specific frequency. This type of frequency is basically required for maintaining track of time. It is used in digital integrated circuits to get constant clock signals and to stabilize frequencies in radio transmitters and receivers. The quartz crystal is most commonly used…...
PhysicsScienceTechnology
Wavelength of red light
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The target is to take measurements to calculate the wavelength of red laser light by using the diffraction grating formula. Therefore I will use a variety of diffraction gratings. To improve accuracy I will always do the experiment with and in absence of two lenses. With this step I hope to get closer to the real wavelength. The Set-up Equipment list: 1. red laser 2. two metre rulers 3. wall or projector screen 4. double slit 5. slit holder 6.…...
Light
Under/over Speed Detection Using Contactless Tachometer
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The aim of the project is to design a contactless speed sensing device (tachometer) for a motor. Traditional tachometers require a physical contact to the shaft of the motor to measure the speed. In certain applications, where it is not possible to measure the speed directly, it is possible for a contactless tachometer to take the readings from a certain distance. This is the main motivation behind choosing this project. This contactless tachometer uses the IR transmitting and receiving technique.…...
SpeedTechnology
Thickness of a wire
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The flow of charge (electrons) through a conductor can be compared to an obstacle course. This correlation is sometimes called the Obstacle Course Model of Resistance. As the electrons shift from one part of the conductor to the other, they have to find their way round past the layers of cations (making up the metallic structure of the conductor), which work as obstacles to the solid flow of electrons. Any Factor that causes there to be additional obstacles or makes…...
ExperimentPhysicsResearchScience
Thermometric Titration Investigation
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We have to plan an experiment which measures the temperature change accompanying neutralisation so that it can be investigated. Neutralisation is when an acid and an alkali mixed together neutralise the other. The hydrogen and the hydroxide ions bond to form water and the rest bonds to form a salt. For example in the case of hydrochloric acid and sodium hydroxide, the salt is sodium chloride. Neutralisation is an exothermic reaction, like all reactions where bonds are formed. I plan…...
EnergyHeatTitration
The Renewable Energy Future Of Solar Power Environmental Sciences Essay
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Due to the predicted deficit of fossil fuels and other non-renewable energy beginnings, research is now looking at options. These options are known as renewable energy. Renewable energy efficaciously uses natural resources such as sunshine, air current, rain, tides and geothermic heat, which can be of course replenished. If the usage of renewable energy is n't explored for future usage, we may be populating without contraptions we take for granted today. For illustration, conceive of a winter without a warmer…...
ElectricityEnergyEnergy And EnvironmentPowerRenewable EnergyScience Our Future
The Physics of Sailing
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Sailing is a skill and an art which requires much time, practice and understanding to master. One may not understand the physics behind driving a car, however one can understand the basic principals behind using a car: press on the accelerator and the car will go faster; press on the breaks and the car will stop; turn the steering wheel left and the car will turn left. The same mentality applies in sailing, although in order to understand the physics…...
BoatsPhysics
Gaussian minimum-shift keying
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GMSK ( Gaussian minimum-shift keying or Gaussian filtered Minimum Shift Keying ) is used for transition in GSM. It is a sort of continues-phase frequence displacement keying. Gaussian minimum-shift keying GMSK is inspired by MSK, which is a signifier of PSK. In PSK the sideband extends out from the bearer which overcomes in MSK. In MSK and GMSK frequence alterations occur at the bearer zero crossing points, so there are no stage discontinuities. This is because the difference between frequence…...
InformationPhysicsTechnology
The kinetic friction
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1. The roughness of the surface of the objects and the plane/track used in the experiment should be in even condition. Meaning the experimenter should check the roughness by touching the surfaces. For instance, in this experiment, a piece of sand paper is wrapped to the wooden block (to investigate the coefficient of the sand paper surface due to the plane surface which is wood). The sand paper should be the one that has not been used before. This is…...
Friction
The history of the atom
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Over the span of hundreds of years science has advanced tremendously improving our understanding of what makes up the world we live in. The atom is one of sciences important findings and has had a changing history of new discoveries, always altering the way we see things. In the early 1800s a man called John Dalton made an atomic theory with predictions about atoms. He stated that atoms are tiny particles that make up elements and that they are indivisible.…...
AtomAtomic TheoryHistory
Technology is a Threat, but Also a Necessity
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50 years ago, computers were the size of an entire room. Today, a computer can fit inside a backpack or even the back pocket of your jeans. Over the years, technology has been greatly improved affecting the lives of all people. Technology has changed the way people socialize and perform their daily activities. Technology is one of the main driving forces of the future. Technology has enhanced the quality of life for humans. There are many different views of technology.…...
CrimeHumanMankindRadioactivityTechnology
Survey on Wind Energy
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Introduction Wind energy first came to the fore in 1991 with the creation the UK's first wind farm. Wind farms were created in the purpose of harnessing the potential energy that could be created using the wind. Renewable energy is ever increasing whether it be wind, wave or solar power. The great advantage of these renewable energies is their cleanliness for the environment. Ironically however, the issue of wind farms has had strong media attention due to a lack of…...
EnergyNatureWind Energy
Spring Investigation (Physics Coursework)
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For this investigation I will explore and examine the behaviour of springs when applied a weight and a force to them. I am aiming to achieve a direct relationship between the period it take to complete 30 oscillations and the weight applied to the spring. Planning: Prediction: Similar to my aim I predict a directly relationship between the period it takes to complete a number of oscillations and the weight or mass applied to the spring. This means that as…...
PhysicsScience
Running the swiftness of lightning
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One of the key settings involving this (and to an extent isolation) is during the beginning and final stages where Walton is stuck in the bleak expanses of the Arctic. An idea which is common throughout Frankenstein is that Victor and Walton are both trying to penetrate nature, going against her will with their respective goals. Walton is trying to travel where man is not supposed to and so nature is angry, striking back with her divine power by trapping…...
Light
A review of “A Clean, Well-Lighted Place” by Ernest Hemingway
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Ernest Hemingway was born on July 21st, 1899. He was the son of Dr. Clarence Edmonds and Grace Hall Hemingway. He grew up in a small town called Oak Park, Illinois. Hemingway was brought up in a somewhat conservative household by his parents who pushed the value of politeness and religion. It wasn't until he began English classes in school that his writing talent began to shine. After he graduated from high school Hemingway turned his back on university and…...
Ernest HemingwayLight
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FAQ about Physics

Who is Stephen William Hawking?
...In his study, Hawking focused on universe especially black holes. His main contributions in science are two, one is the singularity theorem in 1970 and the other is Hawking radiation in 1974. The singularity theorem, in generally is that the universe...
Common Electrical House Appliances Problem And How To Fix It
...Installation In The Moisture Area: Don't you know that water and electricity do not mix well? If yes, so, how can you even make such blunder? To ensure the safety of the electrical panel, it is important to install them at the place, which is away fr...
How to protect iron from rusting
...Therefore if a piece of iron placed in the indicator rusts, a blue colour will appear. If nothing happens, there will be no colour change. If the coating is oxidised, the mixture will turn pink (as the coating's electrons will react with water and ox...
Why TCXO is preferable over standard crystal oscillator?
...The basic importance of TCXO is that it can deliver tremendous temperature stability within a compact, light-weight and low power device. There are several applications for which TCXO is an ideal design such as telecommunication equipment including m...
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