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4/4/21

[Answer] The Law of ________ of Energy states that energy CANNOT be created or destroyed but it can change form. Forms Of Energy

Answer: Electrical to Radiant (Light) Renewable and Non Renewable Energy




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The Law of ________ of Energy states that energy CANNOT be created or destroyed but it can change form. Forms Of Energy In physics and chemistry the law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. This law first proposed and tested by Émilie du Châtelet means that energy can neither be created nor destroyed; rather it can only be transformed or transferred from one form to another. For instance chemical energy is converte… In physics and chemistry the law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. This law first proposed and tested by Émilie du Châtelet means that energy can neither be created nor destroyed; rather it can only be transformed or transferred from one form to another. For instance chemical energy is converted to kinetic energy when a stick of dynamite explodes. If one adds up all forms of energy that were released in the explosion such as the kinetic energy and potential energy of the pieces as well as heat and sound one will get the exact decrease of chemical energy in the combustion of the dynamite. Classically conservation of energy was distinct from conservation of mass; however special relativity showed that mass is related to energy and vice versa by E = mc and science now takes the view that mass-energy as a whole is conserved. Theoretically this implies that any object with mass can itself be converted to pure energy and vice versa though this is believed to be possible only under the most extreme of physical conditions such as likely existed in the universe very shortly after the Big Bang or when black holes emit Hawking radiation. Conservation of energy can be rigorously proven by Noether's theorem as a consequence of continuous time translation symmetry; that is from the fact that the laws of physics do not change over time. A consequence of the law of conservation of energy is that a perpetual motion machine of the first kind cannot exist that is to say no system without an external energy supply can deliver an unlimited amount of energy to its surroundings. For systems which do not have time translation symmetry it may not be possible to define conservation of energy. Examples include curved spacetimes in general relativity or time crystals in condensed matter physics. Ancient philosophers as far back as Thales of Miletus c. 550 BCE had inklings of the conservation of some underlying substance of which everything is made. However there is no particular reason to identify their theories with what we know today as "mass-energy" (for example Thales thought it was water). Empedocles (490–430 BCE) wrote that in his universal system comp… Ancient philosophers as far back as Thales of Miletus c. 550 BCE had inklings of the conservation of some underlying substance of which everything is made. However there is no particular reason to identify their theories with what we know today as "mass-energy" (for example Thales thought it was water). Empedocles (490–430 BCE) wrote that in his universal system composed of four roots (earth air water fire) "nothing comes to be or perishes"; instead these elements suffer continual rearrangement. Epicurus (c. 350 BCE) on the other hand believed everything in the universe to be composed of indivisible units of matter—the ancient precursor to 'atoms'—and he too had some idea of the necessity of conservation stating that "the sum total of things was always such as it is now and such it will ever remain." In 1605 Simon Stevinus was able to solve a number of problems in statics based on the principle that perpetual motion was impossible. In 1639 Galileo published his analysis of several situations—including the celebrated "interrupted pendulum"—which can be described (in modern language) as conservatively converting potential energy to kinetic energy and back again. Essentially he pointed out that the height a moving body rises is equal to the height from which it fa...


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