
Review of Short Phrases and Links 
This Review contains major "Constant" related terms, short phrases and links grouped together in the form of Encyclopedia article.
Definitions
 A constant is use as reference, being the speed of light in a vacuum which is 186 x 103.
 A constant is his friendship with another wannabe comedy writer, a 60 year old teacher named David, prone to long walks and advice filled talks.
 Constant is Surrealist in politics.
 Constant was born in Lausanne, Switzerland, to descendants of Huguenots.
 This constant is equal to two times a, where a is the semimajor axis of the hyperbola.
 Also, if all the derivatives of an analytic function at a point are zero, the function is constant on the corresponding connected component.
 If f is a realvalued function of a real variable, defined on some interval, then f is constant if and only if the derivative of f is everywhere zero.
 The divergence of the curl of any vector field (in three dimensions) is constant and equal to zero.
 The set of points of a Euclidean space that are situated at a constant distance (the radius of the sphere) from a point (the centre of the sphere), i.e.
 The curvature of a circle of radius R is constant, i.e.
 Where G is the gravitational constant, M is the mass of the sphere, and r is the radius of the sphere.
 If n 3, then the scalar curvature, s, is a constant on an Einstein manifold.
 Another is the Yamabe problem, which seeks extremal metrics in a given conformal class for which the scalar curvature is constant.
 The case where the scalar curvature is constant is completely solved locally.
 To make sure a carburetor has a good, constant supply of fuel to be sucked through the fuel jets, it has a float chamber or float bowl.
 The electromagnets use feedback control to maintain a train at a constant distance from a track.
 An almost constant head was therefore maintained in the float chamber by feedback control, and the large float in the reservoir descended at constant speed.
 The cosmological constant is a form of dark energy that causes the expansion of the universe to accelerate.
 Dark energy seems to be uniformly distributed throughout space, with density that is also constant in time.
 Such form of energy  a generalization of the notion of a cosmological constant  is known as dark energy.
 However, when the universe was much younger, the expansion rate, and thus the Hubble "constant", was larger than it is today.
 The Friedmann equations suggest that baryonic mass, dark matter or a cosmological constant (vacuum energy) can influence the expansion rate of our universe.
 The possible existence of a cosmological constant may be changing the expansion rate of the Universe.
 In laminar flow, sometimes called streamline flow, the velocity, pressure, and other flow properties at each point in the fluid remain constant.
 If the absolute pressure of a fluid stays constant, the gauge pressure of the same fluid will vary as atmospheric pressure changes.
 Newtonian Fluid A fluid is Newtonian if viscosity is constant applied to shear force.
 Special Cases: Incompressible fluid  In fluid dynamics, an incompressible fluid is a fluid whose density is constant.
 For a nonviscous, incompressible fluid in steady flow, the sum of pressure, potential and kinetic energies per unit volume is constant at any point.
 Constant of Proportionality  A number that relates the units of two quantities in a mathematical relationship.
 Conservation of baryon number implies that the number of quarks minus the number of antiquarks is a constant.
 Although total fixed costs are constant, the fixed cost per unit changes with the number of units.
 There is a physical constant called the classical electron radius, with a value of 2.8179 × 10 −15 m.
 Contrast this with an atemporal logic, which can only handle statements whose truth value is constant in time.
 Assuming the mass of a vehicle is constant, it will create a certain quantity of kinetic energy while in motion at speed.
 Boltzmann constant; k (L. Boltzmann) A constant which describes the relationship between temperature and kinetic energy for molecules in an ideal gas.
 A constant which describes the relationship between temperature and kinetic energy for molecules in an ideal gas.
 The heat capacity at constant pressure is the change of the enthalpy of the sample with respect to temperature.
 The constant of proportionality is called the coefficient of dynamic viscosity.
 Here, the constant μ is known as the coefficient of viscosity, viscosity, or dynamic viscosity.
 Please remember that a constant is a plain number and a coefficient is a number that is in front of the variable.
 Each of these has an energy E g the value of which is a product of a constant, h, called Planck's constant, and the frequency of the photon, n.
 A linear equation is an equation in which each term is either a constant or the product of a constant times the first power of a variable.
 At any point the product of two principal radii of curvature is constant.
 But as a mean solar time, GMT is defined by the rotation of the Earth, which is not constant in rate.
 The speed of rotation, or angular velocity, remains constant in uniform circular motion.
 The period of rotation (lengthofday) of the earth, however, was assumed to be constant until well into this century, apart from a secular change.
 Neither the speed nor the angular speed of the planet in the orbit is constant, but the area speed is constant.
 This is a "change" in the angular speed so the derivative of it is a constant(if it's not a function).
 This says that the specific angular momentum is a constant of motion, even if both the distance and the angular speed vary.
 In contrast, on a compact Riemann surface X every holomorphic function with value in C is constant due to the maximum principle.
 Newton's equation of motion F = m a (if mass is constant) equates two vectors, and hence is invariant under parity.
 Every convergent sequence in such a space is eventually constant, hence every set is sequentially open.
 Standardized effects are reported in standard deviation units, and are hence remain constant when the unit of measurement changes.
 The City's boundaries have remained almost constant since the Middle Ages, and hence it is now only a tiny part of the much larger London metropolis.
 CLV (constant linear velocity) is accessed by time and CAV (constant angular velocity) is accessed by frame number.
 If the planet is moving at constant angular velocity, ie = 0, then the only acceleration that the earth experiences is the centripetal acceleration.
 Assuming you mean "Constant angular velocity", let's break it down.
 The constant c depends on the acceleration of gravity and the molar mass of the air.
 This acceleration is, in turn, produced by a centripetal force which is also constant in magnitude and directed towards the axis of rotation.
 Here, the acceleration of gravity is a constant, g, because in the equations above, r 21 would be a constant vector, pointing straight down.
 The total energy is the sum of the kinetic and potential energies, and according to the conservation law it remains constant in time for an isolated system.
 By the very interaction the spherical symmetry of the subsystems is broken, but the angular momentum of the total system remains a constant of motion.
 The angular momentum of an isolated system remains constant in both magnitude and direction.
 It states that the total momentum of all bodies in a closed system is constant and unaffected by processes occurring within the system.
 The total mass of all substances is however conserved: the law of conservation of mass The total mass of a closed system always remains constant.
 There appears to be a numerical quantity for measuring rotational motion such that the total amount of that quantity remains constant in a closed system.
 The most important fact about entire functions is Liouville's theorem: an entire function which is bounded must be constant.
 The elliptic modular function is used classically to prove Picard's Little Theorem: An entire function that omits two values is constant.
 If f is an entire function so that there exist two complex numbers a and b such that for every complex number, and, then f is a constant function.
 In this case not only the distance, but also the speed, angular speed, potential and kinetic energy are constant.
 In the case where the nonuniformity is zero, we have constant angular velocity with an intuitively expected circular orbit.
 In the case where the velocity u is constant, the equation (1) can be solved analytically and there is no need for a numerical method of solution.
 Fluid is considered as incompressible, so density (rho) and temperature (T) are constant through tube.
 When the flow is incompressible, ρ is constant and does not change with respect to space.
 In the case of incompressible flow (constant density), the variables to be solved for are the velocity components and the pressure.
 That is, a vehicle following the spiral at constant speed will have a constant rate of angular acceleration.
 Over the reals, the only functions whose derivative is zero are the constant functions.
 In Common Lisp, constant functions are created by constantly: (constantly 6) evaluates to a thunk that, when called, always yields the value 6.
 Do the same for the case that x(t) and z(t) are constant functions and then for the case that x(t) and y(t) are constant functions.
 Momentum, by definition, involves a body in motion, and can be defined as the tendency of a body in motion to continue moving at a constant velocity.
 The CM is initially in motion at a constant velocity and maintains the same velocity after the collision.
 In this geometry, two free particles may begin at the same point on the sphere, travelling with the same constant velocity in different directions.
 In the absence of forces, an object ("body") at rest stays at rest, and an object moving in a straight line with constant velocity persists in doing so.
 This gives them the constant velocity needed to stay fixed over a certain point on the Earth's surface.
 Consider a point object with a mass m, a nonzero, constant velocity and a centripetal force acting on it toward a central body as shown below.
 Mass can be anything from zero to large, but spin is quantized in units of ½hbar, where hbar is a constant of Nature known as Planck's constant.
 The reason is that a photon has energy in proportion to its wavelength, and the constant of proportionality is the Planck constant.
 The Planck constant is an immutable fundamental physical constant in the Universe.
 Each wave front will be quantized at the lowest level that radiant energy can affect matter the Planck constant.
 The total energy E of the comet, which is a constant of motion, will determine whether the orbit is an ellipse, a parabola, or a hyperbola.
 So, energy of electron (and direction) is not constant and its velocity and orbit do change speedy.
 Unfortunately, the orbit of the Earth around the Sun is not entirely fixed, so the length of the Besselian year according to this definition is not constant.
 In the absence of external forces, the angular momentum remains constant and no change of configuration can alter the total angular momentum of the system.
 Conservation of Angular Momentum It states that if the external torque acting on the system of particles is zero, then its angular momentum remains constant.
 In the absence of external forces, the angular momentum remains constant, with the result that any rotating body tends to maintain the same axis of rotation.
 If the orbit is elliptical, the radius will vary; and since the mass is constant, the velocity must change.
 By gravity a force F = mg is exerted on the mass (assuming g constant during the motion).
 The coulomb is a fundamental property of matter, like the mass of an electron, the gravitational constant, and the speed of light.
 The electronic energy is proportional to the square of the fine structure constant and the mass me of the electron.
 Physicists have been wondering whether the fine structure constant is really a constant, i.e.
 Its value is very near or equal to fine structure constant in electron length scale.
 Because space is a vacuum and there is no appreciable drag or friction, the speed of the earth is constant and the orbit of earth is, therefore, constant.
 In a circular orbit, the speed or rotation is constant however in elliptical orbits the speed depends on the height the satellite is above the earth.
 Circular Orbit A satellite orbit in which the distance between the centres of mass of the satellite and of the primary body (the earth) is constant.
 The solar constant is equal to approximately 1,370 watts per square meter of area at a distance of one AU from the Sun (that is, on or near Earth).
 The term "solar constant" is a misnomer because it is not a constant.
 For computing the value of the solar constant, the astronomical unit, or average earthsun distance, is used.
 Decay Constant, l A constant of proportionality.
 Decay constant: the fraction of a number of atoms of a radionuclide that disintegrates in a unit of time.
 The half life is thus inversely proportional to decay constant and directly proportional to mean life.
 Simple flow meters measure volume flow rate, which is proportional to mass flow rate only when the density of the fluid is constant.
 At a constant pressure the volume of a mass of gas is proportional to the absolute temperature.
 Boyle's law states that if the temperature remains constant, the volume of a fixed mass of a gas is inversely proportional to the pressure.
 First, a "penalized" tstatistic (also called a "moderated" or "regulated" tstatistic) can be used, where a constant value is added to the denominator.
 Temperatures are almost constant at about 28 °C (82 °F), moderated by constant trade winds from the Atlantic Ocean.
 Temperature varies little from 28 °C (82.4 °F), moderated by constant trade winds from the Atlantic Ocean.
 The acid dissociation constant (pK a) values of all alkanes are above 60, hence they are practically inert to acids and bases (see: carbon acids).
 The acid dissociation constant K a is an indicator of the acid strength: stronger acids have a higher K a value (and a lower p K a value).
 Due to the many orders of magnitude spanned by K a values, a logarithmic measure of the acid dissociation constant is more commonly used in practice.
 In those circumstances the quotient of activity coefficients is effectively constant and the equilibrium constant is taken to be a concentration quotient.
 The equilibrium constant for this dissociation reaction is known as a dissociation constant.
 In the above equation, the effect of temperature on Gibbs energy (and thus on the equilibrium constant) is ascribed entirely to heat capacity.
Categories
 Technology > Energy > Heat > Temperature
 Encyclopedia of Keywords > Information > Change
 Encyclopedia of Finance. > Technology > Energy
 Information > Science > Physics > Volume
 Encyclopedia of Keywords > Thought > Value
Related Keywords
* Change
* Changes
* Changing
* Constant Change
* Constant Curvature
* Constant Function
* Constant Motion
* Constant Rate
* Constant Speed
* Constant Temperature
* Constant Value
* Constant Volume
* Cosmological Constant
* Coupling Constant
* Curvature
* Density
* Energy
* Energy Density
* Equal
* Equation
* Equations
* Force
* Function
* Functions
* Gravitational Constant
* Hubble Constant
* Hubble Parameter
* Mean
* Means
* Mean Curvature
* Motion
* Numerical Value
* Proportionality
* Proportionality Constant
* Rate
* Rate Constant
* Speed
* Strength
* Sum
* Temperature
* Time
* Universe
* Value
* Values
* Variable
* Variables
* Volume

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