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Proper acceleration — [Edwin F. Taylor John Archibald Wheeler (1966 1st ed. only) Spacetime Physics (W.H. Freeman, San Francisco) ISBN 0 7167 0336 X] is the physical acceleration experienced by an object. It equals the rate of change of proper velocity with respect to … Wikipedia
Proper velocity — η.In flat spacetime, proper velocity is the ratio between distance traveled relative to a reference map frame (used to define simultaneity) and proper time τ elapsed on the clocks of the traveling object. It equals the object s momentum p divided … Wikipedia
Acceleration — Accelerate redirects here. For other uses, see Accelerate (disambiguation). Classical mechanics Newton s Second Law … Wikipedia
Proper time — In relativity, proper time is time measured by a single clock between events that occur at the same place as the clock. It depends not only on the events but also on the motion of the clock between the events. An accelerated clock will measure a… … Wikipedia
Accélération séculaire — Effet Shklovski En astronomie, l effet Shklovski est le nom donné à la variation de la période apparente d un pulsar du simple fait de son déplacement dans l espace, à l image d un effet Doppler Fizeau qui voit la fréquence du son émis par une… … Wikipédia en Français
Four-acceleration — In special relativity, four acceleration is a four vector and is defined as the change in four velocity over the particle s proper time:: mathbf{A} =frac{dmathbf{U{d au}=left(gamma udotgamma u c,gamma u^2mathbf a+gamma udotgamma umathbf u… … Wikipedia
Gal (acceleration) — The gal, sometimes called galileo, (symbol Gal) is a unit of acceleration used extensively in the science of gravimetry. [Barry N. Taylor, Guide for the Use of the International System of Units (SI), 1995, NIST Special Publication 811,… … Wikipedia
lateral acceleration — The acceleration created when a vehicle corners that tends to push a vehicle sideways. Because of centrifugal force, the vehicle is pushed outward. For this reason, you need to accelerate a little as you reach the apex of the curve to pull you… … Dictionary of automotive terms
Twin paradox — In physics, the twin paradox is a thought experiment in special relativity, in which a twin makes a journey into space in a high speed rocket and returns home to find he has aged less than his identical twin who stayed on Earth. This result… … Wikipedia
g-force — This article is about a type of acceleration. For other uses, see G force (disambiguation). This top fuel dragster can accelerate from zero to 160 kilometres per hour (100 mph) in 0.86 seconds. This is a horizontal acceleration of 5.3 g … Wikipedia
