Instructions: 1. Clearly show your steps including formulas used in the calculation; 2. Show units of calculated variables; and 3. Underline your final answers. Probleme points): At 20°C, SAE 30 oil is deformed between two parallel plates (Fig. 1). The upper plate has an area of 0.5 m² and is moving at 6 m/s. The bottom plate is stationary. There is a 0.2 cm gap between the two plates. Consider a linear velocity distribution and calate: a) The shear stress (S) b) The required force c) The Reynolds number h Moving plate SAE 30 oil Fluid Hydrogen Air Gasoline Water Ethyl alcohol Mercury SAE 30 oil Glycerin Fixed plate Fig. 1 Flow between parallel plates H. kg/(m-s)' 8.8 E-6 1.8 E-5 2.9 E-4 1.0 E-3 1.2 E-3 1.5 E-3 0.29 1.5 P₁ kg/m³ 0.084 1.20 680 998 789 13,580 891 1,264

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Global warming will produce rising sea levels partly due to melting ice caps and partly due to the expansion of water as average ocean temperatures rise. To get some idea of the size of this effect, calculate the change in length, Ah (in mm), of a column of water 1.5 km high for a temperature increase of 1.2 °C.Assume the column is not free to expand sideways. As a model of the ocean, that is a reasonable approximation, as only parts of the ocean very close to the surface can expand sideways onto land, and only to a limited degree. As another approximation, neglect the fact that ocean warming is not uniform with depth. Properties of water: 3 = 210 x 10 /C. c= 4186 J/kg - °C, L; = 334 kJ/kg, Le = 2256 kJ/kg Enter you answer below (to the nearest mm): Ah (in mm) = Type your answer.