3. The transparent "biospheres" beneath the Bay of Noli, in Savona, Italy, are part of the three-year-old Nemo's Garden project, which aims to find innovative ways of growing crops in places that lack freshwater or fertile soil (Fig 1). Resembling large balloons, the air-filled structures are anchored to the sea floor and float between 5 and 10 meters below the surface. A mercury U-tube manometer inside the biosphere attached to the biosphere surface which is designed to indicate the water pressure outside. It is located at 10 m deep as shown in Fig 2. The air pressure inside the biosphere is known to be 765 mm Hg. 10 m Seawater 360mm Mercury Shell wall Fig 1 Nemo's garden. Fig 2 Sketch of the biosphere. 1) Based on the readings given in the illustration, determine the atmospheric pressure at the ocean surface (Assume the seawater density if 1024 kg/m³). 2) If the radius of the biosphere is 0.985 m and the net weight of the biosphere including the facilities inside is 198 kg, determine the minimum force that the anchor must provide.
3. The transparent "biospheres" beneath the Bay of Noli, in Savona, Italy, are part of the three-year-old Nemo's Garden project, which aims to find innovative ways of growing crops in places that lack freshwater or fertile soil (Fig 1). Resembling large balloons, the air-filled structures are anchored to the sea floor and float between 5 and 10 meters below the surface. A mercury U-tube manometer inside the biosphere attached to the biosphere surface which is designed to indicate the water pressure outside. It is located at 10 m deep as shown in Fig 2. The air pressure inside the biosphere is known to be 765 mm Hg. 10 m Seawater 360mm Mercury Shell wall Fig 1 Nemo's garden. Fig 2 Sketch of the biosphere. 1) Based on the readings given in the illustration, determine the atmospheric pressure at the ocean surface (Assume the seawater density if 1024 kg/m³). 2) If the radius of the biosphere is 0.985 m and the net weight of the biosphere including the facilities inside is 198 kg, determine the minimum force that the anchor must provide.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Please solve for question #3 part B, and show all work and please explain the process.
Also explain the formulas that you used and why you used them and how they came to be please
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Fluid mechanics :
Fluid mechanics is the study of fluid dynamics at rest and in motion (liquids, gases, blood, and plasmas). Fluid mechanics has many applications, including mechanical and chemical engineering, biological systems, and astrophysics.
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Wouldnt the voloume be 2/3 x pi x R since we are talking about half the sphere which is a biosphere?
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