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  2. Geometry Dash - Wikipedia

    en.wikipedia.org/wiki/Geometry_Dash

    Geometry Dash Lite is a free version of the game with advertisements and gameplay restrictions. Geometry Dash Lite includes only main levels 1-19, all tower levels, and a few selected levels that are either Featured, Daily, weekly or Event levels but does not offer the option to create levels or play most player-made levels. It also has a ...

  3. Moment (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Moment_(mathematics)

    The third central moment is the measure of the lopsidedness of the distribution; any symmetric distribution will have a third central moment, if defined, of zero. The normalised third central moment is called the skewness, often γ. A distribution that is skewed to the left (the tail of the distribution is longer on the left) will have a ...

  4. Canonical coordinates - Wikipedia

    en.wikipedia.org/wiki/Canonical_coordinates

    Canonical coordinates are defined as a special set of coordinates on the cotangent bundle of a manifold.They are usually written as a set of (,) or (,) with the x ' s or q ' s denoting the coordinates on the underlying manifold and the p ' s denoting the conjugate momentum, which are 1-forms in the cotangent bundle at point q in the manifold.

  5. Momentum map - Wikipedia

    en.wikipedia.org/wiki/Momentum_map

    In mathematics, specifically in symplectic geometry, the momentum map (or, by false etymology, moment map [1]) is a tool associated with a Hamiltonian action of a Lie group on a symplectic manifold, used to construct conserved quantities for the action. The momentum map generalizes the classical notions of linear and angular momentum.

  6. Key Stage - Wikipedia

    en.wikipedia.org/wiki/Key_Stage

    Key Stage 2 fits the later stage of primary education, often known as junior schools. Again, described by Sir William Henry Hadow, this took pupils up to the standardised break at age 11. Secondary education was split between Key Stage 3 & Key Stage 4 at age 14, to align with long-existing two-year examination courses at GCSE level.

  7. Moment (physics) - Wikipedia

    en.wikipedia.org/wiki/Moment_(physics)

    The moment of force, or torque, is a first moment: =, or, more generally, .; Similarly, angular momentum is the 1st moment of momentum: =.Momentum itself is not a moment.; The electric dipole moment is also a 1st moment: = for two opposite point charges or () for a distributed charge with charge density ().

  8. Moment measure - Wikipedia

    en.wikipedia.org/wiki/Moment_measure

    In probability and statistics, a moment measure is a mathematical quantity, function or, more precisely, measure that is defined in relation to mathematical objects known as point processes, which are types of stochastic processes often used as mathematical models of physical phenomena representable as randomly positioned points in time, space ...

  9. Moment (unit) - Wikipedia

    en.wikipedia.org/wiki/Moment_(unit)

    A moment (momentum) is a medieval unit of time. The movement of a shadow on a sundial covered 40 moments in a solar hour , a twelfth of the period between sunrise and sunset . The length of a solar hour depended on the length of the day, which, in turn, varied with the season . [ 1 ]