Question: A structure is attached to the ocean floor as shown in Fig. P2.82. A 2-m-diameter hatch is located in an inclined wall and hinged on

A structure is attached to the ocean floor as shown in Fig. P2.82. A 2-m-diameter hatch is located in an inclined wall and hinged on one edge. Determine the minimum air pressure, \(p_{1}\), within the container that will open the hatch. Neglect the weight of the hatch and friction in the hinge.

Figure P2.82

10 m Seawater Free surface Hatch Hinge Air pressure, P 30

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