(a) A large, open at the top, upright cylindrical tank contains fresh water with a density of 1.00 x 10 kg/m. If the air pressure is 101.3 kPa, determine the absolute pressure (in Pa) in the fluid at a depth of 27.0 m. 10.35 The absolute pressure at any point in the fluid is the sum of atmospheric pressure and the pressure due to the depth of the fluid. How can you account for the pressure due to the depth of the fluid? Pa (b) Determine the force (in N) exerted by only the fluid on the window of an instrument probe at this depth if the window is circular and has a diameter of 3.30 cm.
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- (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 22.4 m. Assume the density of the water is 1.00 ✕ 103 kg/m3 and the air above is at a pressure of 101.3 kPa. Pa(b) What force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has a diameter of 36.0 cm? NAn ideal fluid, of density 0.90 x 103 kg/m3, flows at 6.0 m/s through a level pipe with radius of 0.50 cm. The pressure in the fluid is 1.3 x 105 N/m2. The pipe slopes up where it becomes level again. If the pressure P drops by 10%, find the change in height of the pipe, \Deltay. (Hint: the speed of flow remains constant). A. 6.2 m 8.31 m C. 0.5 m D.15mA pipe with a radius of 53cm has water flowing at 5.3m/s. If the same water flows into a different section of pipe with radius 32cm, what is the magnitude of pressure decrease? Assume the density of the water is 1000kg/m^3 and that the water behaves as an ideal fluid.
- (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 33.0 m. Assume the density of the water is 1.00 x 103 kg/m3 and the air above is at a pressure of 101.3 kPa. Pa (b) What force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has a diameter of 29.0 cm? N Need Help? Read ItA cylindrical container of radius r=5.00 cm and height h=40.0 cm is filled with mercury to the top (density of mercury=13.69*103kg.m3). a) Find the mass of mercury inside the container. b) Find the gauge pressure and the absolute pressure on the bottom of the container (the container is open at the top and the atmospheric pressure is Patm=1.013*105Pa) c) Find the net force on the inner surface of the bottom of the container.We have two barometers, like the one shown in the figure. One uses mercury and the other uses an unknown liquid. The pressure above the liquid for each barometer is the same and is between zero and atmospheric pressure. If the height of the unknown liquid is fifteen times greater than the height of the mercury, determine the density of the unknown fluid. (Assume p = 13.6 x 103 kg/m3 for mercury.) |kg/m3 Pressure between O and 1 atm Atmospheric pressure
- A submersible vehicle is in a lake at a depth of 29.6 m. What is the absolute pressure (in Pa) at this depth? The density of the water in the lake is 1.00 ✕ 103 kg/m3, and the air above is at a pressure of 101.3 kPa. Pa (b) The submersible vehicle has a circular window with a diameter of 42.0 cm. What force (in N) is exerted by the water on the window of the vehicle at the depth from part (a)? (Enter the magnitude.) a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 26.6 m. Assume the density of the water is 1.00 ✕ 103 kg/m3 and the air above is at a pressure of 101.3 kPa. Pa (b) What force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has a diameter of 29.0 cm? Mercury is poured into a U-tube as shown in Figure a. The left arm of the tube has cross-sectional area A1 of 10.8 cm2, and the right arm has a cross-sectional area A2 of 5.50 cm2. One hundred grams of water…(a) A large, open at the top, upright cylindrical tank contains a brine with a density of 1.23 x 10° kg/m³. If the air pressure is 101.3 kPa, determine the absolute pressure (in Pa) in the fluid at a depth of 31.0 m. 373775.3 The absolute pressure at any point in the fluid is the sum of atmospheric pressure and the pressure due to the depth of the fluid. Did you remember to account for atmospheric pressure? Pa (b) Determine the force (in N) exerted by only the fluid on the window of an instrument probe at this depth if the window is circular and has a diameter of 3.30 cm.It is a fact that blood flows more rapidly in the aorta than in the capillaries. The cross sectional area of the aorta must be ___________ the total cross sectional area of the capillaries. less than equal to greater than Consider an incompressible liquid flowing in a pipe of constant diameter. ΔP is the pressure difference between the 2 ends of the pipe. Choose the correct statement regarding the volumetric flow. It will decrease with increased ΔP, and increase with greater pipe radius. It will increase with increased ΔP, and increase with greater length of the pipe. it will decrease with greater length of the pipe, and increase with greater pipe radius. it will decrease with increased viscosity of the liquid, and decrease with greater pipe radius.
- 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?(a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 26.2 m. Assume the density of the water is 1.00 x 103 kg/m3 and the air above is at a pressure of 101.3 kPa. Pa (b) What force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has a diameter of 31.0 cm? NAn object with a mass 1kg, when placed in water, has an apparent weight of 5N. It is then placed into a fluid with an unknown density p. Its apparent weight in the unknown fluid is 6.2N. What is the density of the unknown fluid?