Square root

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Measured fall time of a small steel sphere falling from various heights. The data is in good agreement with the predicted fall time of <math>\scriptstyle \sqrt{2h/g}</math>, where h is the height and g is the acceleration of gravity.

In mathematics, a square root of a number a is a number y such that y² = a, or, in other words, a number y whose square (the result of multiplying the number by itself, or y × y) is a. For example, 4 is a square root of 16 because 4² = 16.

• See also: Wikipedia

• Related: Cube root, Integer square root, Nested radical, Nth root, Quadratic irrational, Quadratic residue, Root of unity, Square (algebra), Square root of a matrix, Square root principle

Algorithms, implementations, and more Algorithms, implementations, and more www.azillionmonkeys.com/qed/sqroot.html - Web

Calculate your square root step by step Calculate your square root step by step www.raizcuadrada.es:8880 - Web

How to manually find a square root How to manually find a square root johnkerl.org/doc/square-root.html - Web

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