Essays on Energy

Question #1

Three main layers of the interior of the Sun are convection zone, radiation zone and the core.The central part of the Sun with a radius of about 150-175 thousand km (ie, 20-25% of the radius of the Sun), in which are thermonuclear reactions, called a solar core. The density of material in the core is about 150 000 kg / m ³ (150 times higher than the density of water and ~ 6.6 times higher than the density of the densest ...

The United States of America is said to be the largest dependent on fossil fuels by a research conducted by southeast Missouri state university’s Robert Polack. He found out that the US uses fossil fuels in almost each and every sector from food, consumer goods, transportation, energy procurement itself to heating. Basically, our economy runs on fossil fuels, but question is what if the world runs out of fossil fuels in the near future what are we going to do? The answer to this perplexing question is to venture into renewable sources of energy, which will ...

- Describe the three main layers of the Sun's interior.

The three main layers of the sun are referred to as photosphere, chromosphere and the corona. According to the text ‘Discovering the Universe’ by Comins, N.F & Kaufmann III, W.J, 8th edition, each of these layers has different features that makes them different from one another.

The photosphere is the layer that appears to be the major part of the sun where visible light comes from. Photosphere is about 400km thick with a lower density when compared to that of earth standards. This part of the sun also has a ...

Assignment 4

4. Describe the three (3) main layers of the Sun's interior. The three (3) main layers of the Sun’s interior are the Core, Radiation Zone, and Convection Core. First, the Sun’s Core or innermost part, is tightly packed and with a temperature of about 1.5x107 K. It extends from the Sun’s center to the photosphere (that is, approximately 0.25 solar radius or 1.75x105 km). It is at the Sun’s Core that thermonuclear reactions occur because of the enormous temperature and pressures. Second, the Sun’s Radiation Zone or the middle interior part, where energy travels ...

Q1. Describe the three main layers of the Sun’s interior.

The three main layers of the Sun’s interior are the core, the radiative envelope and the connective envelope.

The core is the center of the Sun, with a density of 150 g/cc and a temperature of 15 million K. This is the region where high energy fusion reactions take place and energy is produced. The energy produced is mainly in the form neutrino and gamma rays, which are actually high energy protons which travel several light years and supply energy to the Earth and other planets. The energy produced in the core then radiates outwards through the radiative zone. The temperature here is quite lower, about ...

Question 1

The mobilization of the labor and energy resources for constructing monumental architectural structures was usually done by powerful society members who had the capability of recruiting as well as managing the labor and energy needed for the building of monumental landmarks. Sometimes it was done through force. Usually, the monumental landmarks conveyed messages of power of rulers as well as their strength.

The Historical Great Wall of China, a monumental structure was symbol of wealth, power and prestige of the Chinese empire of the 7th century. Apart from being an iconic symbol of the Chinese empire, the Great Wall ...

- What is the difference between energy security and energy infrastructure security? Elaborate.

Energy secured is said to be achieved when a continuous and uninterrupted availability of energy is provided. Moreover, the cost incurred for fulfilling the energy needs is within reasonable limits such that it is affordable for all . There are several aspects of energy security that can range from short-term to meet the immediate demands to long term to satisfy the present as well as future demands while keeping the reliability, economy and environmental parameters in consideration . Energy security focuses ...

This paper gives a research proposal on the topic, “Should the U.S. develop more energy sources such as solar power and wind energy?” This is a very important area which needs a lot of research because of the environmental challenges which have been facing people in the modern society. Cases of global warming and climate change have become so threatening today. However, they have not resulted from any other natural force. Man has to take the blame because most of them have resulted from anthropological sources. In this regard, the research will be aiming at creating awareness on the ...

This paper will give summary of the main ideas in part III. Thee many facts that are discussed by eth authors are also summarized here. In the book, the chapter talks about this thing. In the chapter, the author argues that the flattening if the world created two billion consumers and not competitors alone. This flattening of the world has made the consumers to demand for more energy. With all these demands, the author argues that there is a need to have additional clean and renewable energy. These additional needs have affected energy and food prices. The environment and ...

Sometimes it seems that traveling over the roads can be as bumpy as traveling through the Old West in a the covered wagon. Local, city and interstate highways are worn down and need repair. Unfortunately the financial crisis and other priorities have slowed down both new and repair projects across the nation. Many of the problems with the condition of our highways are important safety issues. For example, cities have grown ouside their boundaries and are surpassing the ciruclar highways used to organize traffic in and out of places like Atlanta, Georgia. Many of the ramps cars use to ...

Introduction

Defining Concepts

Corporate Social Responsibility (CSR) represents “A firm’s sense of responsibility towards the community and environment, (both ecological and social) in which it operates and draws resources and sustenance from. Firms express this citizenship through their waste and pollution reduction processes, by contributing to the educational and social programs and by earning adequate returns on the employed resources” (Business Dictionary).

This definition identifies the companies’ role in sustaining CSR initiatives and their contributions to the welfare of the community. Frederick, Davis and Post define the companies’ sense of responsibility and their interventions in the society’s problems ...

Evaluate the costs and benefits (both economically and socially) of using coal, oil, and natural gas. In your evaluation provide pros and cons for which each energy source The cost and benefits of using coal, oil, and natural gas is that they are less costly and efficient in their use in comparison with other sources of energy such as firewood.

The pros of using coal, oil, and natural gas include the following;

The pros of using coal are that it produces large quantities by products such as petroleum and gases. The cons of using coal are that it is not environmental friendly.

The pros of using oil are that it can ...

Energy Storage inform of Lipids

Lipids are a class of natural compounds that are hydrophobic in nature and consist of ketoacyl and isoprene groups. They include sterols, waxes, fats, glycerides, phospholids and fat soluble vitamins such as vitamins A, E and K. Lipids are structural compounds being components of the cell wall but also serve in energy storage and signaling. The signaling function of lipids results from their use in nerve cell axons and as bases for hormones. After digestion and absorption lipids are carried as lipoproteins by blood to the liver which regulates lipid levels in blood. Excess lipids are converted to adipose ...

Living organisms depend on biochemistry to power various chemical reaction cycles which are important for the overall biological functioning of an organism. Chemical reactions occur at a specific rate in certain conditions and require input energy (activation energy) to be supplied before a reaction can begin. Since a reaction cycle consist of many consecutive step, slowing one step slows down the whole cycle. Enzymes are proteins which act as catalysts in biochemical reactions and speeds up reactions to rates that are high enough for biological functioning. Enzymes manage this by providing an alternative reaction route with lower activation energy.

The breakdown of ...

Atmospheric circulation may be a very large-scale movement of the air where thermal energy is disseminated on the earth surface. These changes in atmospheric circulation from year to year are due to some factors. Several of these factors are tropical cells, and other pressure systems and mid-latitude depressions.

Global Atmospheric Circulation may be a result of the heating of the Earth by the produced energy from the Sun; nevertheless, this heat may be unevenly distributed transversely on the surface of the earth. Tropical and Equatorial regions receive a large amount of solar energy than the Polar Regions and the ...

I have always had an interest to pursue a career in the engineering field. From an early age, I knew that the field of engineering would be the perfect choice for my future studies. However, due to the fact that engineering is a wide field, I was often undecided on the branch of engineering that I wanted to pursue. As a child, I enjoyed dismantling my toys in an attempt to discover what they were made of. I would then try to re-assemble the parts. Later, in my teens, I discovered that I had a strong passion for maths ...

Winston, M, & Edelbach, R 2012, Society, ethics and technology, Cengage Learning, New York

The authors relate technology and the effect they have on the environment. They focus on ethical perspectives of technology and the effects they have in the environment. They argue that although technology is good with many benefits, there are various effects that come with using technology in a bad way. This is where ethical considerations come in. When a technology is being designed, most of these issues are not articulated. In part one, Richard Sclove raises the issues of ethics and political influences that come with ...

The human body is constituted in about 20% by protein. Proteins, on their hand, are constituted by amino acids. Therefore, the intake of proteic food is very important so that the proteins of such foods may be metabolized and the amino acids and energy gathered to maintain the body’s protein levels.

The existence of correct amounts of amino acids in the body is essential for several functions:

- the body’s skeletal muscle constitution; - for transport of nutrients to the same cells; - cell repair; - cell communication: - influence on organs’ good function; - eliminating residues from metabolism; - amino acids are also nutrients in itself, many of them essential for the ...

The question “why countries that do not have that much natural resources to boast of often appear more progressive and financially stable than countries that are staggeringly abundant in natural resources?” has been common among citizens of both resource-rich and non-resource-rich countries for a very long time. It is actually logical to think that a country rich in natural resources, especially the point-source and non-renewable ones such as oil, diamonds, and other ores, would outperform those that are less blessed because they already have an edge to begin with. However, according to Sachs & Warner (2001), the opposite happens. Sachs and Warner stated that while natural resources-rich countries may have undeniably larger export income potential than those less fortunate with natural resources, the resource curse thesis prevents that from happening. ...

Pennsylvania act 13 is a law that was passed that would limit the area that a company or individual would embark in Hydraulic fracturing. It provides for the lack of issuance of a license to any establishment that would wish to employ Hydraulic fracturing in the environment that is close to the living environment of the citizens. This is because the process of hydraulic faulting creates spaces in the soil that cause the land to sip in elements that pollutes the water that is used by the people. This law is a revision of the oil and gas ...

Report on Case 1: Diagnosis of Hereditary Fructose Intolerance

Enzymes act as biological catalysts, they speed up biological reactions and are also capable of regulation. Enzymatic reactions can be anabolic – where a new substance is built from smaller ones; or catabolic – where a substance is broken down to yield simpler molecules. In the example of fructose, enzymes catabolize this simple sugar to substances that are intermediates of the glycolytic pathway, allowing fructose, a 6-carbon sugar, to be used by cells to obtain energy in a way similar to glucose (also a 6-varbon sugar). Aldolase B is one of the enzymes involved in the catabolism of fructose, and its ...

How did the bison survive the Ice Age and come to populate the Great Plains in such great numbers?

The ice age period realized much of the Earth’s water freezing into glaciers, lowering sea level while at the same time leaving dry land in places once known to have shallow channels that separated land masses. In order to survive this period the bison traversed the plains of North America in search of safer grounds. In addition to this, the bison’s reproduction at rate that was considerably high served to guarantee its survival even in the face of difficult times in which many other animals died. Which of the bison kill sites presented in your reading most ...

Executive Summary

This report is intended to give a critical overview of the strategic position of Essar Energy by making an analysis of the current position of the company by the use the balanced score card. An analysis is made on the three non financial aspects; the customer perspectives, the internal process perspectives and the learning and growth perspectives in relation to the financial performance and ...

Specialists in psychotherapy and psychodynamic presumptions have explained the method by which we defend ourselves from consciousness of our dreaded and apprehensive inclinations. Defense mechanism is the manner in which we distance ourselves from a complete consciousness of obnoxious ideas, emotions and wishes. According to the psychoanalytic hypothesis, defense mechanisms signify an unconscious intercession by the character of id desires, which clash with the desire and wishes of the superego. By modifying and misrepresenting one's consciousness of the unique desire, one makes it more bearable. Much as defense mechanisms are used in an effort shield one from obnoxious feelings, ...

Technology as a tool in disaster management has its disadvantages, which can have serious consequences. Every shred of technology in existence today came to be as a result of man’s discoveries and invention. Man by nature is a creature bound to make mistakes from time to time thus any technological equipment has its loopholes which cannot be realized immediately if several tests are not carried out. Technology keeps changing as man discovers advanced way of improving the performance of technological devices that had been previously invented. Technology therefore is vulnerable since it gets replaced by newer and faster ...

Basal metabolism is the cumulative amount of energy that is spent by all animals at rest. For humans, rest hereby implies existing in a neutral self-controlled environment in a post absorptive state. On the other hand, physical activity is the movement of the body that is produced by the skeletal muscle and it requires energy expenditure for it to occur. Contrariwise, thermic effect of food, also referred to as TEF is the amount of energy that animals require above the basal metabolism following the demands by food processing and food storage. Basal metabolism is highly increased for Ken. In ...

It was advised that i stat home and whenever it is important to eat out, the 'Eating Smart Restaurant Guide' should be my companion.

1 .Reduction in quantity of processed sugar, saturated fat and trans- fat consumed. 2 Increased consumption of vegetables. 3 I will have to increase the number of times I eat at home and reduce my visits to the restaurants. The acceptable macronutrient distribution range for carbohydrates in adults is 45-65%, while for proteins it is 10-35% of the calories taken daily by the person. The acceptable macronutrient distribution range for fats is between 25-30%. It ...

Kinetic theory of matter tries to explain all molecules in terms of motion. The theory posits that every substance consists of many small particles referred to as molecules. Substances in this case are called matter and are in three forms; solids, liquids, and gases. Solids have molecules that are closer to each other by intermolecular forces. Liquids on the other hand have molecules slightly far apart with gases the furthest apart. Furthermore, according to this theory all the molecules are in constant random motion referred to as Brownian motion (Chang, 2004).

The study of heat relates to kinetic theory ...

Energy is the ability to produce change in a system. It can easily be converted from one form to another. The process of changing one form of energy to another is called energy conversion (Sorensen, 2007). This paper is therefore devoted to the analysis of how energy can be converted from one form to another. Also, it presents a clear elaboration on what fossil fuels are and why they are becoming attractive energy sources.

Three different ways can be used to explain energy conversion. Energy can be converted through action of forces, when atoms emit or absorb photons of ...

Question # 1:

The right to free expression is a very important thing in a society - many of society's or an individual's ends are met through this right. Mill states that "To have a right, then, is, I conceive, to have something which society ought to defend me in the possession of. If the objector goes on to ask, why it ought? I can give him no other reason than general utility" (Utilitarianism, 1861). As a result, it can be inferred that rights are generally useful to the individuals who receive them, including the right to freely express oneself.

...

Introduction

I have identified Michelle Bachman, a republican frontrunner as the leader who is written about in the media. The news article in question is from The New Yorker, and it is entitled LEAP OF FAITH: the making of a Republican Frontrunner. It is an analysis op/ed piece.

The article characterizes her in the first sentence as ...

Biodiversity in earth’s ecosystem is one of the most affected whenever disasters, especially the ones that are results of humans’ neglectful acts take place (Dennison, 2009). By definition, an ecosystem is basically a community composed of both living and non-living things regardless of their size. Some concrete examples of ecosystems are the Sahara Desert and basically all the natural forests (e.g. rainforests) and protected areas in the entire planet—all of these could be considered as an ecosystem as long as they could generate and sustain life. Ecosystems and rainforests serve an important role in sustaining life because ...

Introduction

Photosynthesis and cellular respiration are very important processes. This paper highlights these two processes by giving an in-depth explanation of how these processes occur, where they occur, their importance, and the equations. The paper starts with the photosynthesis process as it answers the guiding questions, and ends with the cellular respiration process. Photosynthesis is the process of conversion of light energy into chemical energy and then storing it in sugar bonds. It occurs in plants and algae of the kingdom Protista. Photosynthesis is a process whereby the green plants utilize energy from the sun to convert water, carbon dioxide ...

According to the 2000 census in the United States of America, one in every three people can be considered as an ethnic minority. The world we live in is diverse and cross-cultural communication is important and unavoidable. Cheesebro, O’Connor and Rios (2010) state, “the better people understand each other, the better they will be at making their own communication more efficient and effective.” (p. 58).

The first principle of cross-cultural communication states that if the cultural/linguistic differences between people are great, than there is a greater likelihood that there will be a communication breakdown. The second principle is ...

Personal Ecological Footprint

The results for my ecological footprint are as follows:

1. If everyone lived the same lifestyle as me, the planet would require the regenerative capacity of 1.9 planets each year. 2. The comparison of my ecological footprint is that it takes 3.5 global hectares of the earth’s productive area to support my lifestyle. 3. The largest area of my footprint is taken up by food which is occupies 60% of my foot print. The second largest part is taken by goods which occupy 20% of the whole footprint. The third largest was shelter and mobility ...

1.)

In order to keep people as safe as possible during an earthquake special building codes have been developed for houses, roads, buildings and bridges. The United States Geological Society (USGS) uses the best seismic science available to keep up-to-date maps that show levels of danger from the lowest hazard to highest standard. These maps help cities know what level of building codes they need.

There are four areas of the United States that demonstrate the highest level danger: along the coast of the Pacific Ocean including Hawaii, southern Alaska, on the coast near the Atlantic ...

1. Read chapter seven from Forrest McDonald, E Pluribus Unum: The Formation of the American Republic, 1776-1790. Indianapolis, IN: Liberty Fund, 1979, the answer the following questions. This rubric will be used to score your response question assignments. (20 pts.)

a. What problems faced the Philadelphia convention from its inception?

The convention faced some problems during its inception, which would ultimately jeopardize its practicality. First, was the challenge of identifying which power was legitimate as provide in the convention. Furthermore, the convention did not contain the bill of rights which were the fundamental aspects initially sought. Absence of this ...

It is sometimes very frustrating when you try to put on a switch and the light fails to come on. It becomes even worse when you have no idea on the possible causes of this problem. We are therefore going to discuss some important aspects in wiring light switches, noting clearly all the components and their connections, and how they collectively work. This will give guidance on how one can wire a switch purely by his own.

The basic components in a light switching system include the battery, the jumper lead wires, the toggle switch, and the light bulb ...

Chapter 3 Atoms and the Periodic Table

For centuries, many have tried to learn about the smallest particle. As far as 2500 years ago, Democritus and Leucippus created an idea for the atom and called it ‘atmos’ meaning indivisible. Various philosophers and scientists have proposed models for what and how the atom should be. The initial theory proposed by Dalton in 1803 states that atoms are indivisible and that all atoms of a particular material are identical. He also stated that atoms of different materials join to form compounds. J.J. Thompson proposed the initial model of the atom. It is called the plum pudding model. He ...

Objectives

The aim of this experiment is to study the effective thermal conductivity of a heat pipe. This is achieved by measuring the difference in temperature across the heat pipe and another conductor made of the same material and size. The temperature measurement for both the pipe and conductor is done under identical thermal conditions.

Apparatus

- Copper-water heat pipe – The specimen whose thermal conductivity is to be found. It is represented in Figure 1. - Solid Copper Wire – The reference material of same size. - Thermocouple (quantity – 3) – Temperature measuring instrument (analogue). - Multi-channel digital thermometer – Temperature measuring instrument (digital) ...

Abstract

The seawater forms 97% of water of the world, and the icecaps account for 2%. The portion of water available for human consumption is barely 0.5% and that also in aquifers. The widening gap between availability and requirement of potable water especially in the Gulf countries has necessitated newer methods and technologies for production of water suitable for human consumption. This situation in the Gulf region has developed due to non- availability of surface water, high growth of population and urbanization, and water depletion. The present paper takes account of the desalinization of seawater plant established in Abu Dhabi ...

Power quality involving voltage occurs in two main ways. These include under voltage and overvoltage. Under voltage occurs when the power in transmission falls below 90% of the total power transmitted for a period of more than one minute. When the power is totally out, the situation is described as a blackout. When the power is fully present, it is simply said to be full power. There is a transition between full power and blackout that is described as brownout. Brownout is identified by dimming of lights, blackout by no lights at all, and full power by all domestic ...

Abstract

Recently, attention has been diverted to clean, alternative and renewable technologies due to the depletion of petroleum resources and increase of the green house gases from the combustion of fuel resources. Fuel cell is the fore-runner of these technologies and has received immense impetus due to its relatively clean source of energy. Fuel-cells are devices that produce electrical energy from chemical transformation reactions. Electrodes are placed within an electrolyte medium that facilitates oxidation of fuel. In these electrochemical reactions, ions are generated that generate electricity. This electrical energy can be effectively harnessed to carry out a myriad of functions. ...

1. Introduction: The current environment especially in Western societies promotes increasing consumption of calories along with a relatively sedentary lifestyle thus fueling the global obesity epidemic. Body weight is regulated by complex interaction of genes that promote energy storage along with environmental factors that promote enhanced energy intake and reduced energy expenditure. This obesity promoting environment makes it difficult for many people to sustain weight loss for long periods of time and adequately maintain healthy lifestyle habits. Obesity can overall have many devastating effects on human health such as increased tendency to develop high blood pressure, cardiovascular problems and ...

The Theme of Captain America

Captain America revolves around the events of World War II and the emergence of a super-hero who is later assigned with the heavy responsibility of saving the world. Steve Rogers, the super hero, does not, however, gain his superiority and abilities under normal circumstances, but rather he is the subject of a scientific experiment to create super soldiers. Across Europe, the Nazi forces are anxiously seeking to enhance its power through the discovery of better weapons and energy believed to be hidden within a castle in Norway in the form of Tesseract. The extreme enmity and fear between the ...

Introduction

The name of economics is not new for a country because, it is something very important from their own viewpoint in particular. Economics is not a new subject; it starts with the birth of a child and in the world it starts with the commencement of the Universe. The main theme of Economics is all about to earn the money and its consumption, as well. Alfred Marshal and Adam Smith are known as the key players in the market of economics who identified the most basic definitions of this particular term and then the numbers of authors have identified ...

Degrowth is the deliberate act of shifting economies away from the perpetual pursuit of growth at the expense of environmental degradation. The global economic growth has continued to escalate over the years, and as a result of this, industrialization has also been on the rise. In some countries, the rate of economic growth has been so enormous for the extent that the many industrial processes end up impacting negatively on the environment. For instance, China is among the nations that have experienced an increase in motor vehicle activities which call for more use of fossil fuel. Fossil fuel has ...

Executive Summary

This paper describes what is meant by a wireless sensor network is, the things that makes up this device and how in the coming years the use of this device will be applied globally. The paper also discusses the major products that are offered by the G-M global companies and how these services are used by various industries. The trends in sales and employment in the wireless sensor network are also described in this paper.IN this paper, the soft ware’s that are prevalent in the industry are also described. In this paper, some of the promising applications in ...

Introduction

Energy is one of the most fundamental concepts in the 20th century and one of the most important concepts in our daily life. Fossil fuels and other traditional forms of energy have been the major source of energy for a long time. Combustion of fossil fuels produces harmful gases like carbon dioxide that causes greenhouse effect, which results to global warming. Global warming is a serious pollution problem caused by continued use of fossil fuels. Environmental pollution because of these traditional forms of energy is one of the major touching issues in the 21st century . It is also important ...

Introduction

The purpose of this experiment was to observe collisions between two carts, measure energy changes and classify the collisions. It was hypothesized the momentum would be conserved during the collisions.

- Consider a head on collision between two billiard balls. One is initially at rest and the other moves towards it. Sketch a position vs. time graph for each ball, starting with the time before the collision and ending a shot time afterward Before collision, ball 2 moves with a constant velocity towards ball 1. Therefore, its position changes with time while the position of ball 1 does not ...

Exercise 1: Anatomy of the Respiratory System

What are the two functions of the larynx? Larynx is a cartilaginous and a muscular structure while holds vocal cords together. It is used by human beings to talk, swallow and breathe. It is lined by the mucous membrane hence forming part of the respiratory system. Larynx protects the airways by closing quickly after mechanical simulation hence stopping respiratory and curbing the entry of foreign substances into the airways. The larynx also produces sound, controls ventilation and acts as a sensory organ.

Where does gas exchange take place in the lungs?

Gaseous exchange occurs in the lungs and for it to take place; there is the need for ...

Today, one of the global issues people face to is different types of pollution. With human development, pollution is becoming worse, and as a result, other issues appear. Among them are global warming, new diseases, deforestation and many others. But, it was not like this all the time, as at the beginning the level of pollution was not so high. Otherwise, it would have been an apocalypse already. That was the industry development that caused global pollution. Even in the late 13th century, people knew about air pollution. For instance, King of England Edward I punished every Londoner, who ...

Abstract

The experiment is aimed at constructing a step-up transformer. This is due to the type of materials being used and the number of rolls that the wire is rolled on the U-shaped material. This can easily be related to the alternating current that is tapped from one source to the other. This current can easily be measured in respect to the size of the voltage that is alternated in between the primary transformer and that of the secondary transformer. The number of coils in the primary material is two; the other secondary coil has four coils. The material used ...

Methods of Heat Transfer

Conduction The first method through which heat is transferred from one object to another is conduction. Conduction occurs in liquids and solids through transfer of kinetic energy present in one particle to the immediate particle(s) in its surrounding. By considering the bonds existing between atoms and molecules in solids as elastic links, the vibration of one particle due to increase energy level caused by heat, the next in its line vibrate too. This process is replicated in adjacent particles thereby allowing transfer of thermal energy from a body with a higher temperature as compared to the one with ...

Ryan Gleason

Salem Almansoori Introduction Ballistic pendulum as illustrated in Figure 1 below is a classical method of measuring the speed of bullets. This technique, which is commonly used in investigation of bullet speeds, relies heavily on the basic laws of conservation in physics. Figure 1 Ballistic Pendulum Set-up Figure 2 illustrates how the experiment is executed chronologically from the time the ‘bullet’ is launched to the time it ceases travelling at the maximum angular displacement. In the illustration, the bullet of mass, m and initial velocity, v hits a stationary pendulum cup and it is embedded in it to form ...

Abstract

This is a lab report that examines an empirical study of the role of caffeine in the human body and impact and reason for continuous consumption of caffeine. The research involves a study of 1060 respondents who are examined in various elements and aspects of the effects of caffeine on them. The research identifies that there is an empirical evidence of an increase in energy levels amongst people who consume coffee. However, this change is not so large when compared to consumers of Rooibos tea. Also, the research indicates that energy levels are not significantly increased by people who ...

LASER is an acronym for Light Amplification by Stimulated Emission of Radiation. Laser is a powerful source of light with properties that are not found in normal light sources. Laser sensors offer long ranges of detections and high resolutions. They are good at accuracy, speed and reliability. They work at temperatures irrespective of variations. Lasers occur in various mediums such as solid, liquid, gas and semiconductor. Laser is an electronic diode that converts an energy source into a thin and concentrated beam of light, which is used to detect very small objects or to reach very high distances. The ...

A transformer is an electrical piece of equipment used in electrical circuits to alter the voltage of the electricity flowing in a circuit by either increasing the voltage (stepping up) or decreasing the voltage (stepping down) (Pansini, 1999). Alternatively, they may be described as static machines which transform power from one circuit to another while maintaining the electrical frequency constant. Transformers are, therefore, very important devices in the distribution of electricity. There are two main reasons why transformers are important in the process of electricity distribution: “Stepping up” and “stepping-down.” First, once produced at the power station, the electric ...

Introduction

Rising levels of industrialization in Australia has led to increased demand for energy by both the domestic and commercial sectors of the economy. This is due to the fact that energy providing companies are parent firms to numerous firms especially in the manufacturing, processing and motor industries. As a result, it has been stated that energy is the vehicle for driving the economy to heights of economic growth and development. Without energy, rates of economic growth and development would stagnate or even drop in severe circumstances. However, in recent times, there have been intensified calls for energy companies to ...

Executive summary

This paper purports to dig into affordable, sustainable housing through a project in which both the environment and affordability are key factors. In an all-encompassing effort to abridge the environmental impact of building, this paper assays that both affordability and sustainability can complement each other in a project to establish an eco-friendly environment. Part one of this paper, “Sustainability and affordability in the design” lunges a functioning distinction between affordability and sustainability and proceeds to proffer a fabric of green building objectives. Additionally, it is discovered that the green building program excels in the following areas: durability, indoor environmental ...