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The second one was a programmable mechanical calculator, his analytical engine, which Babbage started to design in 1834; "in less than two years he had sketched out many of the salient features of the modern computer. A crucial step was the adoption of a punched card system derived from the Jacquard loom" [12] making it infinitely programmable ...
The acceleration of a falling body in the absence of resistances to motion is dependent only on the gravitational field strength g (also called acceleration due to gravity). By Newton's Second Law the force F g {\displaystyle \mathbf {F_{g}} } acting on a body is given by: F g = m g . {\displaystyle \mathbf {F_{g}} =m\mathbf {g} .}
A rocket's required mass ratio as a function of effective exhaust velocity ratio. The classical rocket equation, or ideal rocket equation is a mathematical equation that describes the motion of vehicles that follow the basic principle of a rocket: a device that can apply acceleration to itself using thrust by expelling part of its mass with high velocity and can thereby move due to the ...
The separation of the acceleration calculation onto the beginning and end of a step means that if time resolution is increased by a factor of two (/), then only one extra (computationally expensive) acceleration calculation is required. One use of this equation is in Newtonian gravity simulations, since in that case the acceleration depends ...
Using the integral form of Gauss's Law, this formula can be extended to any pair of objects of which one is far more massive than the other — like a planet relative to any man-scale artifact. The distances between planets and between the planets and the Sun are (by many orders of magnitude) larger than the sizes of the sun and the planets.
Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE. "Say" for EG, used to mean "for example". More obscure clue words of this variety include: "Model" for T, referring to the Model T.
The gal (symbol: Gal), sometimes called galileo after Galileo Galilei, is a unit of acceleration typically used in precision gravimetry. [2] [3] [4] The gal is defined as 1 centimeter per second squared (1 cm/s 2). The milligal (mGal) and microgal (μGal) are respectively one thousandth and one millionth of a gal.
Acceleration of a nematocyst: the fastest recorded acceleration from any biological entity. [42] 5,410,000 g: Mean acceleration of a proton in the Large Hadron Collider [43] 190,000,000 g: Gravitational acceleration at the surface of a typical neutron star [44] 2.0 × 10 11 g: Acceleration from a wakefield plasma accelerator [45] 8.9 × 10 20 g