Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Chapter 14, Problem 19SP
To determine
The average speed of water flowing through the pipe if inner diameter of pipe is
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If the viscosity of blood is 2.1x 10^-3 pa.s,
and capillary of 100 um radius has a length
of 4cm , then the blood flow resistance a
cross this capillary be *
214x10^12 pa.sm^-3
2.14x10^12 pa.sm^-3
0.214 x10^12 pa.sm^-3
0.00214x10^12 pa.sm^-3
Given the water flows through the pipe
steadily shown in fig-
80 mm
10 m/s
DQ 1
r
²0
60 mm
50 mm
Find the volume flow rate of water in m3/s, the average speed of water in section 2
and 3.
The aorta is the principal blood vessel through which blood leaves the heart in order to circulate around the body. (a) Calculate the average speed of the blood in the aorta if the flow rate is 5.0 L/min. The aorta has a radius of 10 mm. (b) Blood also flows through smaller blood vessels known as capillaries. When the rate of blood flow in the aorta is 5.0 L/min, the speed of blood in the capillaries is about 0.33 mm/s. Given that the average diameter of a capillary is 8.0 μm , calculate the number of capillaries in the blood circulatory system.
Chapter 14 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 14 - 18. Oil flows through a 4.0-cm-i.d. (i.e., inner...Ch. 14 - Prob. 19SPCh. 14 - 20. The speed of glycerin flowing in a 5.0-cm-i.d....Ch. 14 - 21. Gasoline flows through a pipe whose...Ch. 14 - 22. Water is delivered at an average speed of 4.0...Ch. 14 - 23. A long tube delivers 10.0 liters of alcohol in...Ch. 14 - 24. Suppose a pipe having an opening of area 4.00...Ch. 14 - 25. Wine is flowing at an average speed of 1.20...Ch. 14 - 26. How long will it take for 500 mL of water to...Ch. 14 - 27. A molten plastic flows out of a tube that is...
Ch. 14 - 28. In a horizontal pipe system, a pipe (i.d. 4.0...Ch. 14 - 29. A hypodermic needle of length 3.0 cm and i.d....Ch. 14 - 14.30 [II] In a blood transfusion, blood flows...Ch. 14 - 14.31 [I] How much work does the piston in a...Ch. 14 - 14.32 [II] Use Bernoulli’s Equation to derive...Ch. 14 - 14.33 [II] A large tank of nonviscous liquid,...Ch. 14 - 14.34 [II] Find the flow in liters/s of a...Ch. 14 - 14.35 [II] Calculate the theoretical velocity of...Ch. 14 - 14.36 [II] What horsepower is required to force...Ch. 14 - 14.37 [II] A pump lifts water at the rate of 9.0...Ch. 14 - 14.38 [II] Water flows steadily through a...Ch. 14 - 14.39 [II] A pipe of varying inner diameter...Ch. 14 - 14.40 [II] Fuel oil of density flows through a...Ch. 14 - 14.41 [II] Find the maximum amount of water that...Ch. 14 - Prob. 42SP
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- The water hose at your home outputs 24 gallons of water a minute. How many cubic meters per hour does the hose output? There are 264.172 gal in 1 m3.arrow_forwardThe flow rate of blood through a 2.25 ✕ 10−6 m radius capillary is 3.80 ✕ 10−9 cm3/s. (a) What is the speed of the blood flow (in cm/s)? (This small velocity allows time for diffusion of materials to and from the blood.) (b) Assuming all the blood in the body passes through capillaries, how many of them must there be to carry a total flow of 80.0 cm3/s? (The large number obtained is an overestimate, but it is still reasonable.)arrow_forwardBlood is pumped from the heart at a rate of 7.85 L/min into the aorta (of radius 1.1 cm). Determine the speed of blood (in cm/s) through the aorta.arrow_forward
- A pipe delivers water at the rate of 115 gal/min. The rate, in (inches)/s, is closest to: O a) 443 b) 190 c) 140 d) 170 e) 221arrow_forwardIf the pipe's inner diameter is doubled, what would be the speed of the water? Assume that the volumetric flow rate of the water in the pipe does not change.inner diameter of the pipe: 0.86 mspeed of water in the pipe: 7.21 m/sAnswer must be in SI units. Round off to 4 decimal places.arrow_forwardA hydraulic lift is used to jack a 960 kg car 42 cm off the floor. The diameter of the output piston is 18 cm, and the input force is 380 N.(a) What is the area of the input piston?(b) What is the work done in lifting the car 42 cm?arrow_forward
- The water hose at your home outputs 24 gallons of water a minute. How many cubic centimeters per second does the hose output? There are 264.172 gal in 1 m3 and 100 cm in 1 m.arrow_forward: In Niagara falls 5800 m3 of water flows every minute. What is the flow rate ( Q)?arrow_forwardFind the speed of water at the narrow end of a pipe through a cross section of0.01 m2 when water flows from the other end of area 0.02 m2 at a flow speed of15 m/sec?arrow_forward
- A pipeline 0.2m in diameter, flowing full of water ,has a constriction of diameter 0.1m.If the velocity in the 0.12m portion is 2m/s,find (a)The velocity in the constriction. (b)The discharge rate (Av=area×velocity) in cubic meters per second.arrow_forwardThe flow rate of blood through a 1.75 ✕ 10−6 m radius capillary is 3.80 ✕ 10−9 cm3/s. (a)What is the speed of the blood flow (in cm/s)? (This small velocity allows time for diffusion of materials to and from the blood.) ________ cm/s (b)Assuming all the blood in the body passes through capillaries, how many of them must there be to carry a total flow of 96.0 cm3/s? (The large number obtained is an overestimate, but it is still reasonable.) ________ capillariesarrow_forwardTwo water pipes of the same length have inside diameters of 6 cm and8 cm. These two pipes are replaced by a single pipe of the same length,which has the same capacity as the smaller pipes combined. What is the inside diameter of the new pipe?arrow_forward
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