A fluid with a density of 2.18kg/m^3 and viscosity of 1.4*10^-5 Pa.s flows with a velocity of 42 m/s over a flat plate with a length of 4.2m and width of 2.9m. Find the drag force on the plate in Newton.
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- A patient is receiving saline solution from an intravenous (IV) system. The solution passes through a needle of length 2.1 cm and radius 0.195mm. There is an 8.00 mm-Hg gauge pressure in the patient's vein.Use the density of seawater, 1025 kg/m3, for the solution. Assume its viscosity at 20 °C is 1.002×10−31.002×10−3 Pa·s. a. When the surface of the saline solution in the IV system is 1.25 m above the patient’s vein, calculate the gauge pressure, in pascals, in the solution as it enters the needle. For this first calculation, assume the fluid is approximately at rest. b. The actual volume flow rate of the saline solution through the IV system is determined by its passage through the needle. Find the volume flow rate, in cubic centimeters per second, when the saline solution surface is 1.25 m above the patient’s vein. c. If the saline solution bag is lowered sufficiently, the surface of the solution can reach a height at which the flow will stop, and reverse direction at even lesser…A patient is receiving saline solution from an intravenous (IV) system. The solution passes through a needle of length 2.1 cm and radius 0.195mm. There is an 8.00 mm-Hg gauge pressure in the patient's vein.Use the density of seawater, 1025 kg/m3, for the solution. Assume its viscosity at 20 °C is 1.002×10−3 Pa·s. a. The actual volume flow rate of the saline solution through the IV system is determined by its passage through the needle. Find the volume flow rate, in cubic centimeters per second, when the saline solution surface is 1.25 m above the patient’s vein.(a) A cylindrical tank of radius R, filled to the top with a liquid has a small hole in the side, of radius r at a distance d below the surface. Find an algebraic expression for the volume flow rate of the liquid through the hole. In addition to the buoyant force FR, an object moving in a fluid (b) experiences a linear drag force F. (=bv ) opposing the motion where b is a constant and v is the velocity. For a sphere of radius R, the drag constant can be shoown to be b- 6πηR where n is the viscosity of the fluid. (b) continued... Consider a sphere of radius R and density p, that is released from rest at the surface of a liquid whose density is P, (p > Pi). Find an expression in terms of R,n,g and the densities P and P1 the sphere's terminal speed verm as it falls through the liquid.
- Oil having a density of 930 kg/m^3 float on water. A rectangular block of wood 4.o cm high and with a density of 960 kg/m^3 floats partly in the oil and partly in the water. The oil completely covers the block. how far below the interface between the two liquids is the bottom of the block?A hypodermic needle is 3.00 cm in length and 0.300 mm in diameter. What pressure difference between the input and output of the needle is required so that the flow rate of water through it will be 1.00 g/s? (Use 1.00 × 1023 Pa . s as the viscosity of water.)A container of cross-sectional area 107 cm2 contains liquid of density 1.75 g/cm3 to a height of 6.80 cm above a small hole of area 1.00 cm2 in the side. (a) Find the speed of the fluid as it leaves the hole.(b) Find the flow rate through the hole.