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# Physics of an amusement park &quot;Ocean Park&quot;.

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Introduction

Physics Visit Coursework Introduction On Friday 20th, February 2004, my physics class and I went to the amusement park "Ocean Park" for my physics visit coursework. While there, I observed many attractions which had an appreciable amount of physics related aspects included with it. Two attractions I found most appealing were the Atoll Reef and The Dragon. The two aspects The Atoll Reef is Ocean Park's fish aquarium, the attraction which draws the largest amount of spectators. The aquarium is the home of many tropical fishes, endangered, rare and normal, giving them a habitat where they can safely live without the threat of predators. Apart from letting the public view their collection of different fish, Ocean Park tries to educate the visitors about respecting the environment and saving endangered species. Aspects related to physics I could discuss regarding the Atoll Reef are: the energy required to heat the water in the aquarium to a safe, uniform temperature for the fish to live in, the pressure exerted by the water on to the glass panel, the Young's modulus of the panel, and why that kind of glass was chosen for it's material properties. ...read more.

Middle

The glass must be able to exert an equal and opposite force to keep in equilibrium. The maximum force the glass can withstand must be around 10 times more than it's usual load for obvious safety reasons; visitor like children hitting the glass panel, fish hitting the panel, and other unusual accidents which might occur which results to the glass panel withstanding an extra force. I am modeling this problem with air pressure and water pressure acting oppositely each others as vectors. I will work out the pressure on the very bottom of the panel of each level, which means I am using the depth readings 2 m, 5 m, and 8 m. I believe the glass of the aquarium is made of silica (SiO2), which has a Young's Modulus of 94 GPa. P = gph Where P is the pressure exerted, g is gravitational acceleration, p is the density of the liquid, and h is the depth. Pressure at ground level: P = 9.8 x 1000 x 2 P = 1.96 x 104 Pa (2 s.f.) ...read more.

Conclusion

The limitation to using silica glass is the aquarium cannot be built much deep, because the glass would reach its elastic limit and shatter. There is not yet a material stronger than glass which has the same properties as glass made yet, so silica is the best material available. I think a development to the silica glass panels is the have them laminated. A laminated silica glass panels is having a sheet of pure plastic between two sides of silica glass. This is commonly used by car manufacturers to create a car's windshield which doesn't shatter when smashed. This won't increase the panel's Young's Modulus much, but it does increase safety by far. Another use of working out the pressure and Young's Modulus of a material can be applied on the engines of vehicles. Fuel pipes, air pipes, and the cylinder where the combustions take place, are all under very high pressures when working. In that context, we can also work out the pressure exerted on the cylinder and pipes, and use this information, along with the Young's Modulus and properties of materials, to work out which materials and of what thickness is needed to make a safe and powerful engine. ...read more.

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