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  2. Physics of roller coasters - Wikipedia

    en.wikipedia.org/wiki/Physics_of_roller_coasters

    A roller coaster is a machine that uses gravity and inertia to send a train of cars along a winding track. [1] The combination of gravity and inertia, along with g-forces and centripetal acceleration give the body certain sensations as the coaster moves up, down, and around the track. The forces experienced by the rider are constantly changing ...

  3. Template:Infobox roller coaster - Wikipedia

    en.wikipedia.org/.../Template:Infobox_roller_coaster

    No description. Template parameters [Edit template data] Parameter Description Type Status name name The coaster's full, official name. Should not be linked. Example Kingda Ka String required previousnames previousnames Any previous names of the coaster. Include years of use if possible. Example Corkscrew (1982–2009) String optional logo logo The logo of the coaster. Use only the ...

  4. Density meter - Wikipedia

    en.wikipedia.org/wiki/Density_meter

    Many density meters can measure both the wet portion and the dry portion of a sample. The wet portion comprises the density from all liquids present in the sample. The dry solids comprise solely of the density of the solids present in the sample. A density meter does not measure the specific gravity of a sample directly. However, the specific ...

  5. Figure 8 roller coaster - Wikipedia

    en.wikipedia.org/wiki/Figure_8_roller_coaster

    Postcard of the Figure Eight at Olentangy Park, located in Columbus, Ohio. The coaster opened in 1902. Figure 8 coasters date back to the late 19th century. Many roller coasters of the time used out-and-back tracks, and the figure 8 layout became a standard design that provided the rider with more turns during the descent. Like many coasters of ...

  6. Roller coaster - Wikipedia

    en.wikipedia.org/wiki/Roller_coaster

    The Scenic Railway at Luna Park, Melbourne, is the world's oldest operating roller coaster, built in 1912.. A roller coaster is a type of amusement ride employing a form of elevated railroad track that carries passengers on a train through tight turns, steep slopes, and other elements usually designed to produce a thrilling experience.

  7. Launched roller coaster - Wikipedia

    en.wikipedia.org/wiki/Launched_roller_coaster

    The fastest roller coaster in the world, Formula Rossa, reaches 149 mph (240 km/h) in 4 seconds using the hydraulic method. Accelerator Coasters manufactured by Intamin commonly place a top hat element after the launch, which is a hill in the shape of a tower with a 90-degree ascent and 90-degree drop.

  8. National Roller Coaster Museum and Archives - Wikipedia

    en.wikipedia.org/wiki/National_Roller_Coaster...

    Kings Dominion: Volcano: The Blast Coaster lead car and track section. Knott's Berry Farm: Train, sign, and parts of the original loop from Montezooma's Revenge. [6] Six Flags America: Apocalypse: The Last Stand lead car. It was the first roller coaster built by Bolliger and Mabillard (B&M).

  9. Big Bear Mountain (roller coaster) - Wikipedia

    en.wikipedia.org/wiki/Big_Bear_Mountain_(roller...

    The steel track for Big Bear Mountain encompasses 6 acres (2.4 ha) of land, [7] with the track length totaling 3,990 feet (1,220 m), the longest in Dollywood, and the height of the roller coaster is 66 feet (20 m). [8] The color of the track is orange with green supports. [3] There are 23 airtime hills throughout the course. [6]