he pulmonary artery, which connects the heart to the lungs, has an inner radius of 2.60 mm and a length of 8.40 cm. If the drop in pressure between the heart and the lungs is 4.0 hPa. a) What is the average speed of the blood in the pulmonary artery?

Q: The top of your head is about 30 cmcm above your heart. What is the blood pressure difference…

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Q: A refinery uses a Venturi tube like the one shown in the figure to monitor the flow of gasoline (? =…

A: density of fluid = ρ= 7 x 102 kg/m3 inlet radius = r1= 2.5 cm outlet radius = r2= 1.4 cm pressure…

Q: A sphygomanometer is a device used to measure blood pressure. It is consisted of an inflatable cuff…

A: Gauge pressure ( in Pascals ) = 15741 Pa We need to find out this pressure in mmHg.

Q: The 30-cmcm-long left coronary artery is 4.6 mmmm in diameter. Blood pressure drops by 3.0 mmmm of…

A: Given,  The length of the left coronary artery (L) =30 cm =0.30m. The diameter of the left coronary…

Q: Air flows through the tube shown in the figure at a rate of 1200cm^3/s . Assume that air is an ideal…

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Q: The 26-cm-long left coronary artery is 4.6 mm in diameter. Blood pressure drops by 3.0 mm Hg over…

A: (A) Applying Bernoulli's equation, express the relation for the average blood speed.…

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Q: Suppose you spray your sister with water from a garden hose. The water is supplied to the hose at a…

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Q: Water flows down a 1 m hill through a pipe that widens from 5 cm2 at the top of the hill to 15 cm2…

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Q: L (a) The heart pumps blood into the aorta at a rate of 4 Calculate the average speed of blood if…

A: (a) Calculating the Average Speed of Blood in the AortaGiven:Flow rate of blood into the aorta: 4…

Q: A shower head has 20 circular openings, each with radius 1.0 mm. The shower head is connected to a…

A: Given data :              Number of circular oprnings in shower head, N = 20              Radius of…

Q: A tank holds a large amount of water. A pipe is connected to the tank at the upper end and is open…

A: Bernoulli's equation is P+12ρv2+ρgh=constant…

Q: A plumbing system contains a junction with 4 pipes, as shown in the figure. Each pipe has a…

A: Given data A1=10 cm2A2=20 cm2A3=40 cm2A4=5 cm2 Here, A represents the area of the different sections…

Q: In order to draw air into your lungs, your diaphragm and other muscles contract, increasing the lung…

A: in this question we use equation of state of gas.

Q: Normal atmospheric pressure at location A is 1.010 x 105 Pa. During a storm, the mercury column…

A: The barometric formula is givenWhere: is the final atmospheric pressure. is the initial atmospheric…

Q: The TOTAL pressure at the bottom of a cylindrical container with a cross-sectional area of 80 cm and…

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Q: Blood plasma (at 37.0°C) is to be supplied to a patient at the rate of 2.80 × 10−6 m3/s. If the tube…

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Q: A 1.50 mL syringe has an inner diameter of 5.00 mm, a needle inner diameter of 0.260 mm, and a…

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Q: Bill is going for a swim in the ocean.  The density of the water (salt water) is 1.027 g/m3.  Bill…

A: The density of the water (salt water), ρw = 1.027 g/m3 Density of Bill, ρb = 1.043 g/m3 Density of…

Q: vertical cylindrical container contains 5840 gallons of gasoline and is 1.53 m in radius.  Due to…

A: (a) Given: The volume of gasoline in the vertical cylinder is 5840 gallons. The radius of the…

Q: 9. The blood speed in a normal segment of a horizontal artery is 0.16 m/s. An abnormal segment of…

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Q: Problem 8: As the depth in a fluid increases, the pressure increases due to the larger weight of the…

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Q: A pipe with radius R narrows down to a radius R/2. If the speed of the fluid at the point with…

A:

Q: Question: Lets think about the pressure difference for bubbles in soda. If the bubble has a radius…

A: Pressure difference = 4S/R

Q: Blood is flowing through an artery of radius 2 mm at a velocity 40 cm/s. Determine the flow rate and…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: The radius of an Ostwald viscometer is measured as 168 µm. The time of flow of liquid is 19.86…

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Q: A round pipe of varying diameter carries petroleum from a wellhead to a refinery. At the wellhead,…

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Q: An airtight box has a removable lid of area 2.17 x 102 m² and negligible weight. The box is taken up…

A: Area of lid ,    A = 2.17 ×10-2 m2 Air pressure at mountain ,    P = 7.30 × 104  Pa

Q: s to be given a blood transfusion. The blood is to flow from a tube from a raised bottle to a needle…

A: The blood pressure is 16 torr more than the atmospheric pressure. The pressure in pascal is given as…

Q: horizontal section of pipe whose cross-sectional area is A₂ -0.0575 m². The gas has a density of…

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Q: A round pipe of varying diameter carries petroleum from a wellhead to a refinery. At the wellhead,…

A: We need to find the volume flow rate and also the diameter of pipe at the refinery.

Q: Snorkels are U-shaped tubes that allow swimmers to breath while swimming just below the surface of…

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Q: A small blood vessel near the skin surface has a radius of 10 µm, a length of 1 µm and the pressure…

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Q: Concrete is pumped from a cement mixer to the place it is being laid, instead of being carried in…

A: Consider the given data as below. The flow rate is,  Q=220 Lmin=220103×60 m3s=3.67×10-3 m3s Length…

Q: A round pipe of varying diameter carries petroleum from a wellhead to a refinery. At the wellhead,…

A:

Q: An iron casting containing a number of cavities weighs 5.15E+3 N in air and 3.72E+3 N in water. What…

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Q: An artery of diameter 1.0 cm divides completely into capillaries, each of diameter 20 microns. There…

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Q: The four tires of an automobile are inflated to a gauge pressure of 2.0 x 105 Pa. Each tire has an…

A: P=2.0×105 Pa A=0.025 m2 Weight of the automobile will be equal to the force exerted by gauge…

Q: A 5.2 N force moves a piston inside a cylinder at a velocity of 3 m/s under specific density 0.89 is…

A: Given Force F = 5.2 N Cylinder velocity v = 3 m/s Density = Specific gravity × density            =…

Q: An artery of diameter 1.0 cm divides completely into capillaries, each of diameter 20 microns. There…

A:

Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.