Water enters a house through a pipe 2.0cm in inside diameter, at an absolution pressure of 4×10 Pa. The pipe leading to the second –floor bathroom 5m above is 1.0cm in diameter. When the flow velocity at the inlet pipe is 4m/s, find the flow velocity and pressure in the bathroom.
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- Find the pressure difference required between the ends of a 2.00 m long, 1.00 mm diameter horizontal tube for 40° C water to flow through it at an average speed of 4.0 m/s. Water at 40° has a viscosity of 0.7 x 10-3 Pa s. The pressure difference is equal to ______x105 Pa. Recall the equation for volume flow rate with viscosity: Δ?Δ?=??4Δ?8??A container has a vertical tube, whose inner radius is 12.00 mm, connected to it at its side, as shown in the figure. An unknown liquid reaches level A in the container and level B in the tube-level A being 5.0 cm higher than level B. The liquid supports a 20-cm high column of oil, between levels B and C, whose density is 320 kg/m³. The gauge pressure at level B is closest to 20 cm A 15.0 cm O 940 Pa O 790 Pa O 310 Pa O 470 Pa O 630 Pa Submit Request AnswerA liquid is flowing through a horizontal pipe whose radius is 0.0301 m. The pipe bends straight upward through a height of 8.80 m and joins another horizontal pipe whose radius is 0.0726 m. What volume flow rate will keep the pressures in the two horizontal pipes the same? Number Units 202
- At 20°C, the viscosity of water is 1.0x10-3 Pa-s and the viscosity of molasses is 51 Pa-s. Consider two tubes of the same length L, with fixed pressure difference Ap across each pipe. If water flows through Pipe 1 and molasses flows through Pipe 2, and both have the same flow rate Q, what is the ratio of the radius of Pipe 2 to Pipe 1?At a certain point in a horizontal pipeline, the water's speed is 2.50m/s, and the gauge pressure is 1.80×104 Pa. Find the gauge pressure at a second point in the line if the cross-section area at the second point is twice that at the first.Oil with a density of 890 kg/m³ moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is P, = 1.95 × 104 Pa, and the pipe diameter is 8.00 cm. At another point y = 0.20 m higher, the pressure is P, = 1.15 × 104 Pa and the pipe diameter is 4.00 cm. (a) Find the speed of flow (in m/s) in the lower section. m/s (b) Find the speed of flow (in m/s) in the upper section. m/s (c) Find the volume flow rate (in m³/s) through the pipe. m3/s
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