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A fluid, density ρ=960 kg/m3 is flowing steadily through the below tube. The section diameters are d1​=10 cm and d2​=8 cm. The gauge pressure at 1 is P1​=200kN/m2 The ​ velocity at 1 is u1​=5 m/s. The tube is horizontal (z1​=z2​). What is the gauge pressure at section 2?​