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  2. South Eastern Railway zone - Wikipedia

    en.wikipedia.org/wiki/South_Eastern_Railway_zone

    The headquarters of SER is located in Garden Reach in south Kolkata. The main office is housed in a spectacular building constructed in 1909. It has a brick red finish and follows the Indo-Saracenic architecture, complete with slender pillars, turrets and a huge central dome. The complex is spread across a large area complete with beautiful ...

  3. Passenger rail terminology - Wikipedia

    en.wikipedia.org/wiki/Passenger_rail_terminology

    There is a significant difference in cost between these different classes of light rail transit. The traditional style is often less expensive by a factor of two or more. Despite the increased cost, the more modern variation (which can be considered as "heavier" than old streetcar systems, even though it's called light rail ) is the dominant ...

  4. Eastern Railway zone - Wikipedia

    en.wikipedia.org/wiki/Eastern_Railway_zone

    The first train ran here between Howrah and Hooghly on 15 August 1854. The train left Howrah station at 8:30 a.m. and reached Hooghly in 91 minutes. The management of the East Indian Railway was taken over by the British Indian government on 1 January 1925. [2]

  5. Réseau Express Régional - Wikipedia

    en.wikipedia.org/wiki/Réseau_express_régional

    Of the RER stations operated by RATP, 9 have interchanges with Métro lines, and 9 allow transfer to SNCF's Transilien service. [9] In comparison to the Metro, the RER provides better coverage of Paris' suburbs and typically operates at higher speeds and with greater distances between stations. [ 10 ]

  6. Motion - Wikipedia

    en.wikipedia.org/wiki/Motion

    Humans, like all known things in the universe, are in constant motion; [2]: 89 however, aside from obvious movements of the various external body parts and locomotion, humans are in motion in a variety of ways that are more difficult to perceive. Many of these "imperceptible motions" are only perceivable with the help of special tools and ...

  7. Action principles - Wikipedia

    en.wikipedia.org/wiki/Action_principles

    The energy function in the action principles is not the total energy (conserved in an isolated system), but the Lagrangian, the difference between kinetic and potential energy. The kinetic energy combines the energy of motion for all the objects in the system; the potential energy depends upon the instantaneous position of the objects and ...

  8. Kinematics - Wikipedia

    en.wikipedia.org/wiki/Kinematics

    Kinematics is a subfield of physics and mathematics, developed in classical mechanics, that describes the motion of points, bodies (objects), and systems of bodies (groups of objects) without considering the forces that cause them to move.

  9. Vehicle dynamics - Wikipedia

    en.wikipedia.org/wiki/Vehicle_dynamics

    Vehicle dynamics is the study of vehicle motion, e.g., how a vehicle's forward movement changes in response to driver inputs, propulsion system outputs, ambient conditions, air/surface/water conditions, etc. Vehicle dynamics is a part of engineering primarily based on classical mechanics.