Using the data below, determine the maximum amount of blood that can pass through the aorta in 1 second so that the flow remains laminar. Aortic diameter 2.61 cm, blood viscosity 4.19 mPa s. Take the critical Reynolds number equal to 5.1. Enter the units of measurement next to your answer. Answer:
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- Blood is pumped from the heart at a rate of 5.0 L/min into the aorta (of radius 1.0 cm). Determine the speed of blood through the aorta.(a) Using Bernoulli's equation, show that be measured fluid speed v for a pitot tube, like the one in figure 14.32(b), is given by v=( 2gh)1/h , where h is be height of be manometer fluid, p' is the density of the manometer fluid, p is the density of the moving fluid, and g is be acceleration due to gravity. (Note that v is indeed proportional to the square root of h, as stated in text) (b) Calculate v for moving air if a mercury manometer's h is 0.200 m. Figure 14.32 Measurement of fluid speed on Bernoulli’s principle. (a) A manometer is connected to two tubes close together and small enough not to disturb the flow. Tube 1 is open at the end facing the flow. A dead spot having zero speed is created there. Tube 2 has an opening on the side, so the fluid has a speed v across; thus, pressure there drops. The difference in pressure at the manometer is 12v22 , so h is proportional to . 12v22 (b) This type of velocity measuring device is a Prandtl tube, also known as a pitot tube.Problem 2 Assume, your head require 100mmHg or above to function properly. Some tribe had ring extending their neck to some height. If the head is extended to 3 meters. If below 70mmHg at head. you may faint so you should use 100mmHg for calculation. Assuming initial distance between your heart and head is 50cm. Velocity of your blood is 19cm/second at heart. Diameter of vain at heart is 1 inch. Diameter of combined small veins at brain is 10mm. a) Find pressure at heart, flow speed:for 10mm vein at brain if 50 cm height from the heart.
- QUESTION 3 There is 2 m of some gas with density 0.9 kg/ m³ The volume of a gas was increased by factor of two. What is its density now? Calculate answer to two decimals. ueeT ION A Crck Save ond Submit to save and submit Click Saue All Answers to save all anszwers. |耳 78°F CleGiven: Pi constant to be used: 3.14159Capillary tube: radius = 0.02 cm; length = 9 cm; pressure = 0.7 mmHgLiquid sample: density = 4 ml; time of flow = 4.5 seconds 1. What is the pressure in MKS unit? Your answer here will be used for the next item(s). 2. What is the pressure in CGS unit? Your answer here will be used for the next item(s). 3. What is the viscosity of the liquid? Your answer here will be used for the next item(s). 4. If the weight was given as 8.5 grams, what will be the density of the liquid? Your answer here will be used for the next item(s). 5. What is the kinematic viscosity of the liquid? 6. What is the fluidity of the liquid?In the figure below, what is the pressure of the gas in the flask (in atm) if the barometer reads 693.4 torr? (Ah = 8.37 cm) oo Round your answer to 4 significant figures. Open end Gas Ah Note: Reference the SI prefixes and Conversion factors for non-SI units tables for additional information. Pressure = 0.9123 atm 0 x10 X olo Ar B
- Air flows at 210 m/s through the pipe. The temperature is 400 K and the absolute stagnation pressure is 280 kPa. Assume isentropic flow. For air R = 286.9 J/[kg - K] and k=1.40. (Figure 1) Figure 0.3 m2:43 ull 5G O Exp02-Densitylnquiry_2020-06.docx Now suppose the length and diameter of the cork were measured. Archimedes' principle was used to determine the volume of the lead sinker, glass stopper, and nut and bolt. The results are given in Table 2. Fill on the last column of Table 2 (Volume of object). Show all work!!! 3. Table 2. Volume determination of common objects Initial water Final water volume Volume of object (mL) Object volume (mL) (mL) lead sinker 25.2 mL 34.0 glass stopper 27.4 mL 34.9 nut and bolt 23.6 ml. 30.9 Volume of object (cm') length (cm) diameter (cm) cork 2,54 2.06 Dashboard Calendar To Do Notifications Inbox 因ANSWER CORRECTLY AND QUICKLY PLS HUHU A needle with a piston is used to extract blood from the arm of a patient. Solve for the ave. speed of the blood flow, in mm/s, in the needle if the radius of the piston is 2.5mm and the diameter of the needle is 0.5mm and length of 10mm. Take into account the blood withdrawing speed of 6mm/s and air leaks around the piston at 20mm3/s.
- What is the diameter of an aluminum sphere with the same mass as 16 L of water? The densities of water and aluminum are 1000 kg/m3 and 2700 kg/m3 1. What is the mass of 16 L of water? 2. What is the diameter of an aluminum sphere with the mass you found in question 1?ule wate 11. Using the graduated cylinders below find the volume of the object. Calculate the density if the mass is 78.42 g. 12. L 100 100 90 80 70A piece of silver weighing 685g in air weighs 437g when immersed in glycerine whose SG is 1.25. Solve for the cc of the cavity inside the silver. Round your answer to 2 decimal places.