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- DictionaryEn·er·gy/ˈenərjē/
noun
- 1. the strength and vitality required for sustained physical or mental activity: "changes in the levels of vitamins can affect energy and well-being"
- 2. power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines: "nuclear energy"
1 day ago · This definition of exponentiation with negative exponents is the only one that allows extending the identity + = to negative exponents (consider the case =). The same definition applies to invertible elements in a multiplicative monoid , that is, an algebraic structure , with an associative multiplication and a multiplicative identity denoted 1 ...
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3 hours ago · Linearity. The Schrödinger equation is a linear differential equation, meaning that if two state vectors and are solutions, then so is any linear combination. of the two state vectors where a and b are any complex numbers. [13] : 25 Moreover, the sum can be extended for any number of state vectors.
1 day ago · Vitamin E is a group of eight fat soluble compounds that include four tocopherols and four tocotrienols. [1] [2] Vitamin E deficiency, which is rare and usually due to an underlying problem with digesting dietary fat rather than from a diet low in vitamin E, [3] can cause nerve problems. [4] Vitamin E is a fat-soluble antioxidant which may help ...
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1 day ago · The country's usage of coal is a major cause of greenhouse gas emissions by India but its renewable energy is competing strongly. India emits about 7% of global greenhouse gas emissions. This equates to about 2.5 tons of carbon dioxide per person per year, which is half the world average.
3 hours ago · Music is the arrangement of sound to create some combination of form, harmony, melody, rhythm, or otherwise expressive content. [1] [2] [3] Music is generally agreed to be a cultural universal that is present in all human societies. [4] Definitions of music vary widely in substance and approach. [5]
1 day ago · Definition. The mind is the totality of psychological phenomena and capacities, encompassing consciousness, thought, perception, sensation, feeling, mood, motivation, behavior, memory, and learning. [1] The term is sometimes used in a more narrow sense to refer only to higher or more abstract cognitive functions associated with reasoning and ...
