Question

write law of conversation of energy??

Answer 1

Law of conservation of energy states that energy can neither be created, nor be destroyed.

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Answer 2

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 conservedover time.[1] This law 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 the forms of energy that were released in the explosion, such as the kinetic 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 = mc2, and science now takes the view that mass–energy is conserved.