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How Is Symmetry Used In Designing A Roller Coaster

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How Is Symmetry Used In Designing A Roller Coaster
Designing a roller-coaster is not easy, they have to be thrilling and exciting but not jerky. A lot of work has to be done to design a safe yet breathtaking roller coaster. The engineers have to consider the forces acting on the roller coaster train as they gain momentum and the structural support needed to support these forces. There are different designs of a roller coaster, for example, a suspended roller coaster, in which the track is above the speeding car. There are wooden, regular steel, steel-flying and many more types of roller coasters.
Designing a roller coaster is a blend of mathematics and physics, the two subjects that interests me a lot. Thus, the topic caught my attention.
For my math exploration, I would investigate the math
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The vertex, mainly the y coordinates of it, indicate the maximum or minimum height of the roller coaster.
Axis of symmetry:
The vertical line that passes through the vertex is called the axis of symmetry. Every parabola is symmetrical about its axis of symmetry. Axis of symmetry are the x value of the vertex. Axis of symmetry can be obtained through the following formula: x=- b/2a
Symmetry is a very important mathematical concept. Symmetry is vital in the construction or designing of different applications including roller coasters. As Dobre and Daniel state in their paper on symmetry, engineers design machines according to the principle “shape follows function”. An aspect of beauty is symmetry, which represents relative simplicity within complexity. Even simplistic things, such as logos, start with a basic rectangular or square shape and then the graphic artist use symmetry to create the design. The same applies to a design of a roller coaster. Symmetry also plays an important role in human visual perception and aesthetics. Symmetry is important for the safety aspect of a roller
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The line is called the "directrix"; the point is called the "focus". The parabola is the curve formed from all the points (x, y) that are equidistant from the directrix and the focus.
The conical form of a regular parabolic equation is as follows:
4p(y – k) =〖(x-h)〗^2
The equation is just another way of expressing the equation y= a(x-h)2+k, where (h,k) are the (x,y) coordinates of the vertex. P represents the difference between the vertex and the focus and the difference between the vertex and the directrix.
To design a roller coaster, foci is taken into consideration to measure the interior width of the parabola. Depending on the shape of the roller coaster (concave up or concave down), the focus changes as the cart travels up and down. The greater the foci, the steeper the parabola will be and faster the cart would go.
Designing a parabolic roller coaster (autograph):

Let’s suppose the maximum height of the roller coaster is 300m. The vertex is (100, 300). The axis of symmetry will be 300m as well. We can assume that a is

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