WORD COUNT: 6664 ENERGY SECURITY: CHALLENGES AND PROSPECTS IN BOTSWANA INTRODUCTION 1. Security is an important factor in life on a daily basis‚people require one form of security in a particular way or the other. There are issues of crime‚ terrorism‚ poverty‚ displacement‚ health‚ education and many others which a nation has to ensure that its citizens are satisfied with. Any longer interruption of a steady and plenty flow of energy‚ particularly modern energy would massively harm a
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examples of work done=force x distance What is work? Work in physics is the transfer of energy; work is done on an object when an applied force moves it through a distance. The link between work and energy is work done equals energy transferred. The units for the two are also the same (joules). E.g. 500J of work = 500J of kinetic energy. Work is calculated with the formula: work done=force x distance moved For example‚ if a force of 10 newton (F = 10 N) acts along point that travels 2 meters
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from http://www.researchandmarkets.com/reports/1285411/ Analysis of Solar Energy Industry in India & Its Future Prospects Description: The Indian solar energy sector has been growing rapidly‚ in the past few years‚ majorly due to Government’s initiatives such as tax exemptions and subsidies. Due to technical potential of 5‚000 trillion kWh per year and minimum operating cost‚ Solar Power is considered the best suited energy source for India. Today the Solar power‚ has an installed capacity of 9.84
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Energy Nothing can live without energy. People‚ animals and plants need energy to live and machines need energy to work. Today‚ most of the energy we use still comes from fossil fuels like coal‚ oil and gas‚ which have been formed underground over millions of years. We called these non-renewable forms of energy because they can only be used once. Because of this‚ we need to reduce our use of non-renewable fuel and use more renewable forms of energy like that from the sun‚ wind or geothermal
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Nuclear energy… Boon or Bane ? Nuclear energy? Nowadays these two words are always sticking on the society’s mouth‚ but do they know the actual meaning of it? Nuclear energy is basically defined as the energy released by the reaction within the nuclei‚ as in nuclear fission or fusion. The core reason of using nuclear energy is to generate electric power to satisfy human needs. Usage of the nuclear power plant as an energy generator came together with several boons and banes. As quoted by the
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Renewable energy is energy from natural resources such as sunlight‚ wind‚ rain‚ tides‚ and geothermal heat‚ these resources are naturally replenished. Renewable energy does not harm the environment or deplete any of our natural resources like fossil fuel. Renewable energy is not subject to sharp price changes because it comes from natural resources. Biomass is currently the largest U.S. renewable energy source with more than two hundred existing bio power plants providing energy for one point five
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Energy Outline A. Benefits Of Solar Energy • Does not release green house gases • Production of solar energy does not produce smoke‚ gas‚ or any other chemical byproducts • Solar energy contributes to about 4 percent of the world’s electricity • Italy’s Montalto di Castro solar park: o good example of how solar contributes to the decrease in emissions o Decreases the carbon emissions by about 20‚000 tons per year compared to fossil fuel energy production. • Money! o Except for the initial
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Definition of Wind Energy “Wind Energy - Energy received from the movement of the wind across the earth. This energy is a result of the heating of our oceans‚ earth‚ and atmosphere by the sun. Turbines convert the kinetic energy of wind into mechanical or electrical energy that can be used for power.” The German physicist Albert Betz calculated in 1919 the possible maximum amount of energy that can be extracted out of wind energy. He came to the result of 59.3% that can be extracted and named this
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Alternative Energy Alternative Energy whether used for transportation or utilities such as generating electricity for home or business is a very significant subject going on right now because of the benefits it would provide for us‚ such as environmental‚ economic‚ job security and energy security. I believe alternative energy would be beneficial to our society‚ especially if it is used in transport; there is many other better‚ leaner and reusable energy sources out there‚ for example fuel for
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Energy Management and Audit Report 1) Introduction For over the past few years‚ the planet Earth is being damaged by human activities. Buildings play a major role in that. They contribute to approximately 40% of the greenhouse gas emissions globally. Over the past 30 years‚ 10% of the ice burgs have been melted due to the rising temperature of Earth. The rise in temperature is caused by greenhouse gas. Therefore‚ green building is important today. Green building has both positive and negative
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