Kinetic Energy: Consider a baseball flying through the air. The ball is said to have "kinetic energy" by virtue of the fact that its in motion relative to the ground. You can see that it is has energy because it can do "work" on an object on the ground if it collides with it (either by pushing on it and/or damaging it during the collision). The formula for Kinetic energy‚ and for some of the other forms of energy described in this section will‚ is given in a later section of this primer. Potential
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Examples of Radiant Energy The term radiant energy refers to energy that travels by waves or particles‚ particularly electromagnetic radiation such as heat or x-rays. Radiant energy is created through electromagnetic waves and was discovered in 1885 by Sir William Crookes. Fields in which this terminology is most often used are telecommunications‚ heating‚ radiometry‚ lighting‚ and in terms of energy created from the sun. Radiant energy is measured in joules. Ads by Google Best Solar Investments
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Types of Energy: Energy is the ability to do work and there are many types of energy. Mechanical Energy is the energy of motion that does the work like the wind turns a windmill. In physics‚ mechanical energy is the sum of potential energy and kinetic energy present in the components of a mechanical system. It is the energy associated with the motion and position of an object. The law of conservation of energy states that in an isolated system that is only subject to conservative forces‚ like
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It can begin simply by turning off a light switch as someone leaves a room or unplugging a device when not in use. From these small acts‚ the beginning seeds of energy conservation can be sown. Energy conservation has become one of the most hotly debated subjects in the world. Old power plants are struggling to keep up‚ sometimes causing power shortages or “brown outs”‚ and new power plants are being built‚ but most of the new plants still use the same technology as their predecessors. Some
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Forms of Energy CHEMICAL Energy Chemical energy is stored in the bonds between atoms. This stored energy is released and absorbed when bonds are broken and new bonds are formed – chemical reactions. Chemical reactions change the way atoms are arranged. NUCLEAR Energy Nuclear energy is the stored potential of the nucleus‚ or center‚ of an individual atom. Most atoms are stable on Earth; they retain their identities as particular elements‚ like hydrogen‚ helium‚ iron‚ and carbon‚ as identified
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Heat energy Temperature – measure of the average KE of the particles in a substance‚ measured in degrees Celsius or degrees Kelvin. Celsius 0⁰C (freezing point of water) to 100⁰C (boiling point of water) Kelvin 0 K (absolute zero‚ particles stop moving theoretically)‚ equivalent to -273.15⁰C. Uses the same scale for increase‚ ie. a 1⁰C increase in temperature equates to a 1K increase in temperature. Heat – amount of energy transferred‚ measured in Joules (J) Kinetic Energy‚ Thermal
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Title: Energy crisis and solutions in transport sector Student Name: Yina Tan Student Number: 1012251 Module Tutor: Peter Wells & Paul Nieuwenhuis Assignment Lengths: 1864 words Submission Date: 10/11/2010 Introduction This assignment mainly focuses on the fiercest problem human beings encountered presently—energy crisis. Then it has explained the 3 factors resulting in this severe scenario‚ containing soaring population‚ economy growth as well as disparity and imbalance between energy consumption
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Government Grants for Alternative Energy Research Jon Smith ENG 122 (ABE1135R) Mrs. Jane Smith 8 October 2010 Government Grants for Alternative Energy Research Energy sources play a crucial role‚ affecting just about every activity that societies do in every country around the globe. The role in the economic development of a region or country does not need emphasis; because of the greater effects‚ it exercises a huge influence. It is the
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Lab #7: Thermal Energy Heat is thermal energy being transferred from one place to another‚ because of temperature changes. This can take place by three processes. These three processes are known as conduction‚ convection‚ and radiation. When we place two objects with different temperatures in contact with each other‚ the heat from the hotter object will immediately and automatically flow to the colder object. This is known as conduction. Some objects make excellent conductors of heat while
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Energy Production Controversy Imagine the U.S. without cars‚ motorcycles‚ planes‚ or boats. The daily lives of U.S. citizens would be completely different. The common denominator for all those modes of transportation is that they run on gas‚ which is made from fossil fuels. Fossil fuels such as oil‚ coal‚ and natural gas are nonrenewable resources. They will run out one day and that’s what the U.S. relies on for gas and electricity. Renewable energy such as solar‚ wind‚ and hydropower are infinite
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