1. Water (viscosity = 8.90 10-4 Pa s, density = 1.00 103 kg/m3) flows along the pipe shown in the diagram, the diagram is not to scale. The first

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1. Water (viscosity = 8.90 × 10-4 Pa s, density = 1.00 ×103 kg/m3) flows along the pipe shown in the diagram, the diagram is not to scale. The first pipe (at the top) has a radius, R1 = 0.5430 m and the second pipe (at the bottom) has a radius, r2 = 0.2780 m. Water in the first pipe has a pressure of P1 = 1.123 atm and flows at a speed of v1 = 0.3840 ms-1. The height difference, h, between the two pipes is 10.2 m.