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EnergyEnergy is a property that enables something to do workEnergy has various forms (kinetic potential rest energy)Kinetic energy is the energy of a moving object mv2KE = ---------
Chapter 7-8 Work and EnergyStructure?5) Special expression in scalar product:xaverage power:Kinetic energy: the energy of motion.: force applied by the body out of the collection of =123…… total work
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单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级组员 白力源 张加霞 丁鸿雁 王峰Renewable EnergyNew Energy ResourcesIn the new technology based on the system to the development and utilization of renewable
Click Global Energy Systems Transition ( of market)80OilFOSSIL FUELSGEOTHERMALGEOTHERMALNUCLEARNUCLEARImpacts – HydrosphereSlows down the natural flow of riversImpacts – BiosphereFish get caught in tu
Responsible for cosmic accelerationLarge-scale structureWhen w is constant: pressureObservational evidence for dark energy: The absolute luminosity of a sourceThe luminosity distanceThe rest is dark
levelFeatures of the Helical Turbine 35 EfficiencyFeatures of the Helical Turbine Installation Cost: dollarskwThe Tide-Energy project near the mouth of the Amazon: simple accessible affordable techno
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