10/14/2020 Unknown
Watch the full âInto the Unknownâ sequence from Disneyâs Frozen 2 featuring the original song performed by Idina Menzel (voice of Elsa) featuring AURORA. 18 synonyms of unknown from the Merriam-Webster Thesaurus, plus 37 related words, definitions, and antonyms. Find another word for unknown. Unknown: happening or existing without one's knowledge. Unknown Golf provides solutions for Golf Leagues, Club MGA, Club LGA, Outings, Travel Trips, and more. With a configurable design, Unknown Golf will support any game / format requiring only that a gross score by hole is entered during your round thorugh our Live Scoring, or after the round is complete. Strange, new, undiscovered, uncharted, unexplored, virgin, remote, alien, exotic, outlandish, unmapped, untravelled, beyond your ken a perilous expedition, through unknown terrain 2. Undisclosed, secret, unspecified, unrevealed, concealed, undetermined, undivulged The proposed target of the bomb is unknown.
In mathematics, an unknown is a number we do not know. They are commonly used in algebra, where they are also known as variables and represented by symbols such as x{displaystyle x}, y{displaystyle y} and z{displaystyle z}.[1][2]
In science, an unknown value is represented by a letter in the Roman or Greek alphabet. They are used most often in physics, where equations are used to describe the relationship between physical properties. For example, in the equation E=mc2{displaystyle E=mc^{2}}, the letter m{displaystyle m} represents an unknown (in this case, mass), and the letter E{displaystyle E} also represents an unknown (in this case the amount of energy). If we know the value of all but one of the unknowns, then we would be able to easily find out the value of the last unknownâby solving the equation in terms of that last unknown.
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When letters in science are used this way, not all of them represent unknowns. Indeed, some of them might be physical constants, which are values that are known to be the same and do not change. In the example above, c{displaystyle c} represents a known quantity, the speed of light, which is about 186 thousand miles per second.[3] And because c{displaystyle c} is so large, the formula E=mc2{displaystyle E=mc^{2}} tells a person who understands algebra that in an atomic reaction, a small amount of mass can produce a very large amount of energy.
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