• Thumbnail for Proper acceleration
    In relativity theory, proper acceleration is the physical acceleration (i.e., measurable acceleration as by an accelerometer) experienced by an object...
    35 KB (4,444 words) - 14:09, 8 April 2025
  • Thumbnail for Accelerometer
    accelerometer is a device that measures the proper acceleration of an object. Proper acceleration is the acceleration (the rate of change of velocity) of the...
    40 KB (4,687 words) - 23:27, 19 March 2025
  • Thumbnail for Acceleration
    undergoing centripetal (directed towards the center) acceleration. Proper acceleration, the acceleration of a body relative to a free-fall condition, is measured...
    23 KB (2,843 words) - 08:36, 24 April 2025
  • for the special case of proper acceleration measured by a comoving accelerometer. Another useful formalism is four-acceleration, as its components can...
    59 KB (7,810 words) - 16:57, 1 April 2025
  • Thumbnail for Bell's spaceship paradox
    allows to describe the more realistic scenario of constant proper acceleration, i.e. the acceleration indicated by a comoving accelerometer. This leads to hyperbolic...
    32 KB (4,446 words) - 02:11, 25 May 2025
  • equal to the proper acceleration that a moving particle "feels" moving along a worldline. A worldline having constant four-acceleration is a Minkowski-circle...
    6 KB (929 words) - 13:54, 10 March 2023
  • Thumbnail for Twin paradox
    {\text{arsinh}}(a\ T_{a}/c)\,} where a is the proper acceleration, felt by clock K' during the acceleration phase(s) and where the following relations hold...
    57 KB (7,917 words) - 22:16, 9 May 2025
  • expressed by the coordinate distance x as a function of proper time τ at constant proper acceleration a. It is given by: x ( τ ) = c 2 a ( cosh ⁡ a   τ c...
    14 KB (1,854 words) - 20:50, 29 January 2025
  • gravitational acceleration, in that the proper acceleration and hence four-acceleration of objects in free fall are zero. Rather than undergoing an acceleration, objects...
    12 KB (1,566 words) - 08:20, 8 April 2025
  • Thumbnail for Proper velocity
    kelvin. Proper acceleration at any speed is the physical acceleration experienced locally by an object. In spacetime it is a three-vector acceleration with...
    21 KB (2,600 words) - 16:59, 16 March 2025
  • Thumbnail for G-force
    them, proper and coordinate accelerations are the same, and any coordinate acceleration must be produced by a corresponding g-force acceleration. An example...
    52 KB (5,376 words) - 11:30, 11 May 2025
  • Specific force (category Acceleration)
    coordinate acceleration, but rather a proper acceleration, which is the acceleration relative to free-fall. Forces, specific forces, and proper accelerations are...
    3 KB (431 words) - 14:56, 31 January 2025
  • given by c 2 / a {\displaystyle c^{2}/a} , where a is the constant proper acceleration of the particle. While approximations of this type of situation can...
    29 KB (3,590 words) - 03:24, 22 May 2025
  • Thumbnail for Alcubierre drive
    bubble is an inertial reference frame and inhabitants experience no proper acceleration. This method of transport does not involve objects in motion at faster-than-light...
    45 KB (5,556 words) - 23:29, 23 May 2025
  • Thumbnail for Proper time
    be used. Lorentz transformation Minkowski space Proper length Proper acceleration Proper mass Proper velocity Clock hypothesis Peres metric Zwiebach 2004...
    22 KB (3,624 words) - 14:58, 8 February 2025
  • particles with no proper acceleration, their motion satisfying the geodesic equations. Because the particles are subject to no proper acceleration, the geodesics...
    5 KB (671 words) - 11:22, 19 April 2022
  • Thumbnail for Special relativity
    resemblance. In relativity theory, proper acceleration is the physical acceleration (i.e., measurable acceleration as by an accelerometer) experienced...
    186 KB (25,022 words) - 00:07, 28 May 2025
  • Accelerationism is a range of ideologies that call for the drastic intensification of capitalist growth, technological change, and other processes of...
    62 KB (6,603 words) - 08:45, 26 May 2025
  • a is the proper uniform acceleration, c is the speed of light, and kB is the Boltzmann constant. Thus, for example, a proper acceleration of 2.47×1020 m⋅s−2...
    22 KB (2,929 words) - 13:05, 24 May 2025
  • taking the positive square root and using the three-acceleration, we arrive at the proper acceleration for circular motion: α = γ 2 v 2 r . {\displaystyle...
    33 KB (4,233 words) - 03:34, 27 March 2025
  • Thumbnail for Rapidity
    Proper acceleration (the acceleration 'felt' by the object being accelerated) is the rate of change of rapidity with respect to proper time (time...
    14 KB (2,057 words) - 01:55, 6 February 2025
  • Thumbnail for Relativity of simultaneity
    as experienced by a traveler (red trajectory) taking a constant proper-acceleration roundtrip. One caveat of this approach is that the time and place...
    21 KB (2,673 words) - 16:00, 20 January 2025
  • Thumbnail for Mass
    of an object multiplied by the total acceleration away from free fall, which is called the proper acceleration. Through such mechanisms, objects in elevators...
    76 KB (10,547 words) - 13:43, 17 April 2025
  • Hyperbolic orthogonality Rapidity Maxwell's equations Proper length Proper time Proper acceleration Relativistic mass Formulation Lorentz transformation...
    35 KB (5,076 words) - 04:08, 26 May 2025
  • travel might correspond to ten years on Earth. Indeed, a constant 1 g acceleration would permit humans to travel through the entire known Universe in one...
    53 KB (6,730 words) - 14:18, 15 May 2025
  • relativity), where concepts such as three-acceleration, four-acceleration, proper acceleration, hyperbolic motion etc. are defined and related to each other.) A...
    72 KB (9,055 words) - 09:50, 31 October 2024
  • Thumbnail for Penrose diagram
    Hyperbolic orthogonality Rapidity Maxwell's equations Proper length Proper time Proper acceleration Relativistic mass Formulation Lorentz transformation...
    10 KB (1,198 words) - 19:49, 24 May 2025
  • with constant proper acceleration: d ≈ eaτ/(2a), where d is the distance traveled, a = dφ/dτ is proper acceleration (with aτ ≫ 1), τ is proper time, and travel...
    3 KB (522 words) - 05:55, 13 December 2024
  • Hyperbolic orthogonality Rapidity Maxwell's equations Proper length Proper time Proper acceleration Relativistic mass Formulation Lorentz transformation...
    27 KB (2,952 words) - 14:39, 24 May 2025
  • Thumbnail for Roger Penrose
    Hyperbolic orthogonality Rapidity Maxwell's equations Proper length Proper time Proper acceleration Relativistic mass Formulation Lorentz transformation...
    87 KB (7,870 words) - 10:54, 27 May 2025