# Water, with a density of ρ=1180 kg/m3, flows in a horizontal pipe. In one segment of the pipe, the flow speed is v1=7.73 m/s. In a second segment, the flow speed is v2=3.77 m/s. What is the difference between the

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1. ## Physics

Please someone help..A horizontal pipe 10.0cm in diameter has a smooth reduction to a pipe 5.0cm in diameter. If the pressure of the water in the large pipe is 80000Pa and the pressure in the small pipe is 60000Pa at what rate does water flow through the

2. ## Physic

1. Water at a pressure of 3.00 x 10 5th Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to one-fourth its original diameter. What is the speed of the flow in the narrow section? Not sure was successfully posted

3. ## Physics

Water (density = 1.0 × 103 kg/m3) flows through a horizontal tapered pipe. At the wide end its speed is 4.0m/s and at the narrow end it is 5.0 m/s. The difference is pressure between the two ends is:

4. ## Science

Water flows out horizontalmy at the end of a pipe at a height of 52 cm from the floor.If the horizontal distance before it hits the floor is 100 cm,calculate the velocity of the water at the instant it leaves the pipes?

5. ## Physics

The water flowing through a 1.9 cm (inside diameter) pipe flows out through three 1.3 cm pipes. (a) If the flow rates in the three smaller pipes are 24, 18, and 13 L/min, what is the flow rate in the 1.9 cm pipe? (b) What is the ratio of the speed of water

6. ## Physics

Water flows at 12 m/s in a horizontal pipe with a pressure of 3.0 x 10 4 N/m2 . If the pipe widens to twice its original radius, what is the pressure in the wider section?

7. ## Physics

Water flows at a speed of 15 m/s through a pipe that has a radius of 0.40 m. The water then flows through a smaller pipe at a speed of 45 m/s. What is the radius of the smaller pipe?

8. ## physics

A 5.4 cm diameter horizontal pipe gradually narrows to 3.7 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 35.0 kPa and 21.0 kPa, respectively. What is the volume rate of flow?

9. ## PHYSICS

Water flowing out of a horizontal pipe emerges through a nozzle. The radius of the pipe is 1.5 cm, and the radius of the nozzle is 0.42 cm. The speed of the water in the pipe is 0.68 m/s. Treat the water as an ideal fluid, and determine the absolute

10. ## AP Physics - Fluids

A 6.0-cm diameter horizontal pipe gradually narrows to 4.0 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 32 kPa and 24 kPa, respectively. What is the volume rate of flow? I know to use Bernoulli's

11. ## physics

A liquid of density 1354 kg/m^3 ﬂows with speed 2.45 m/s into a pipe of diameter 0.29 m. The diameter of the pipe decreases to 0.05 m at its exit end. The exit end of the pipe is 7.82 m lower than the entrance of the pipe, and the pressure at the exit of

12. ## Physics

A horizontal segment of pipe tapers from a cross sectional area of 50 cm2 to 0.5 cm2. The pressure at the larger end of the pipe is 1.34 105 Pa and the speed is 0.038 m/s. What is the pressure at the narrow end of the segment?

13. ## Physics

Water flows into one end of a horizontal, cylindrical pipe at 2.0 m/s. The pipe then narrows until its diameter at the opposite end is only 1/3 of that at the beginning. (a) What is the flow speed at the narrow end of the pipe? (b) What is the pressure

14. ## Physics

Water flows into a house at a velocity of 15 m/s through a pipe that has a radius of 0.40 m. The water then flows through a smaller pipe at a velocity of 45 m/s. What is the radius of the smaller pipe?

15. ## Physics

Water, with a density of ρ=1180 kg/m3, flows in a horizontal pipe. In one segment of the pipe, the flow speed is v1=7.73 m/s. In a second segment, the flow speed is v2=3.77 m/s. What is the difference between the pressure in the second segment (P2) and

16. ## Physics

A horizontal water pipe goes from a large diameter to a small diameter and then back to the first diameter as shown in the figure below. The level of water (8cm in the larger tube and 4 cm in the constricted tube) in the small vertical tubes provides us

17. ## physics

water flows along a horizontal pipe of cross-sectional area 48cm^2 which has a constriction of cross-sectional area 12cm^2 at one place. If the speed of the water at the constriction is 4 m/s, calculate the speed in the wider section. The pressure in the

18. ## Math

A pool has a uniform circular cross section of radius 5 metre and uniform Dept 1.4 metre it is filled by a pipe which delivers water @ 20 litre per second calculate in minutes the time taken to fill the pool. If the pool is emptied in 42 min by another

19. ## physic

Water flows through a 4.0-cm-diameler horizontal pipe ata speed uf 1.3 m/s. The pipe then narrows down to a diameter of 2.0 cm. Ignoring viscosity, what is the pressure difference between the wide and narrow sections of the pipe

20. ## physics

The inside diameters of the larger portions of the horizontal pipe depicted in Figure P9.47 are 2.80 cm. Water flows to the right at a rate of 1.80 10-4 m3/s. Determine the inside diameter of the constriction.

21. ## physics

1.) Water flows from a 2 cm diameter pipe, at a speed of 0.35m/sec. How long will it take to fill a 10 liter container? 2.) A horizontal segment of pipe tapers from a cross-sectional area of 50 cm^2 to 0.5 cm? The pressure at the larger end of the pipe is

22. ## Fluid Mechanics

Water flows into a cylindrical tank through pipe 1 at a rate of 25 ft/s and leaves through pipe 2 at 10 ft/s and through pipe 3 at 12 ft/s. Pipe 4 is an open air vent. Internal diameters of the pipes are: D1=3 in, D2= 2 in, D3=2.5 in, D4=2 in. Calculate a)

23. ## Physics

A horizontal pipe 10cm has asmootion to apipe 5 cm in diameter if the pressure of water in the large pipe is 80000pa and the pressure in the smaller pipe is 60000pa at what rate does water flow through the pipes

24. ## Physics

The pressure of water flowing through a 6.5×10−2−m -radius pipe at a speed of 1.8m/s is 2.2 × 105 N/m2 What is the flow rate of the water? What is the pressure in the water after it goes up a 5.2−m -high hill and flows in a 5.0×10−2−m -radius

25. ## physics

a drinking fountain projects water at an initial angle of 50 degrees above the horizontal and the water reaches a maximum height of 0.150 m above the point of exit. assume air resistance is negligible. calculate the speed at which the water leaves the

26. ## Physics

A horizontal pipe, 10 cm in diameter, has a smooth reduction to a pipe 5 cm in diameter. If the pressure of the water in the larger pipe is 8.00 104 Pa and the pressure in the smaller pipe is 6.00 104 Pa, what is the flow speed of the water (in m/s) in the

27. ## phys

Water flows steadily from an open tank into a pipe as shown in the figure. The elevation of the top of the tank is 12.3 m, and the elevation at the pipe is 3.80 m. The initial cross-sectional area of the pipe (at point 2) is 5.60×10−2 m^2; and at where

28. ## physics

Water flows steadily from an open tank into a pipe. The elevation of the top of the tank is 10.2 m, and the elevation at the pipe is 3.90 m. The initial cross-sectional area of the pipe is 6.40×10^−2 m; and at where the water is discharged from the

29. ## Physics

Water flows through a pipe of radius 4 cm at a rate of 3.5 m/s. Suppose each water molecule is singly ionized (highly unrealistic). a) What is the electric current density associated with the flow of these ions? b) What is the electric current in the pipe?

30. ## Physics

I can't seem to figure out this problem...what equation would I use? Thanks! An incompressible, nonviscous fluid is initially at rest in the vertical portion of the pipe, where L = 2.17 m. When the valve is opened, the fluid flows into the horizontal

31. ## physics

The pressure in a section of horizontal pipe with a diameter of 2 cm is 143 kPa. Water flows through the pipe at 2.80 L/ s. If the pressure at a certain point is to be reduced to 103 kPa by constricting a section of the pipe, what should the diameter of

32. ## Physics

The Equation of Continuity states that the mass flow rate has the same value at every position along a tube that has a single entry and a single exit point for fluid flow. Basically it boils down to the idea that the fluid doesn’t magically disappear or

33. ## physics

A horizontal pipe 17.00 cm in diameter has a smooth reduction to a pipe 8.50 cm in diameter. If the pressure of the water in the larger pipe is 8.00 104 Pa and the pressure in the smaller pipe is 6.00 104 Pa, at what rate does water flow through the pipes?

34. ## ap physics

A 6.2 cm diameter pipe gradually narrows to 4.0 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 30.0 kPa and 24.0 kPa, respectively. What is the volume rate of flow?

35. ## ap physics

A 6.2 cm diameter pipe gradually narrows to 4.0 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 30.0 kPa and 24.0 kPa, respectively. What is the volume rate of flow?

36. ## physics

1.) Water flows from a 2 cm diameter pipe, at a speed of 0.35m/sec. How long will it take to fill a 10 liter container? 2.) A horizontal segment of pipe tapers from a cross-sectional area of 50 cm^2 to 0.5 cm^2. The pressure at the larger end of the pipe

37. ## physics

Water flows at 0.58 m/s through a pipe 11 cm in diameter when the pressure is 450,000 Pa. Determine the water velocity & the pressure in the pipe if it shrinks down to 5 cm in diameter. You can assume that the pipe is horizontal & ρwater = 1000 kg/m3.

38. ## physics

In the figure below, the fresh water behind a reservoir dam has depth D = 13 m. A horizontal pipe 6.0 cm in diameter passes through the dam at depth d = 6.0 m. A plug secures the pipe opening. (a) Find the magnitude of the frictional force between plug and

39. ## Physics

A horizontal pipe narrows from radius of 0.250 m to 0.100m.If the speed of the water in the pipe is 1.00m/s in the larger radius pipe,what is the speed in the smaller pipe

40. ## physics

a fluid flows through a horizontal pipe of varying cross-section. Assuming the flow is streamline and applying the bernoulli equation, show that pressure in the pipe is greatest where cross-sectional area is greatest.

41. ## physics

Water flows in a cylindrical, horizontal pipe. As the pipe widens to twice its initial diameter the pressure in the pipe changes. Calculate the change in pressure between the wide and narrow regions of the pipe. Give your answer as an expression in terms

42. ## physics, buoyance

Water flows at a rate of 25L/min through a horizontal 8.0-cm-diameter pipe under a pressure of 5.7Pa . At one point, calcium deposits reduce the cross-sectional area of the pipe to 40cm2 . Part A What is the pressure at this point? (Consider the water to

43. ## physics

Water is flowing into a factory in a horizontal pipe with a radius of 0.0223 m at ground level. This pipe is then connected to another horizontal pipe with a radius of 0.0400 m on a floor of the factory that is 10.6 m higher. The connection is made with a

44. ## physics

Water flows through a 1.2 cm diameter pipe into a 155 L bathtub, which it fills in 8 min.What is the speed of the water in the pipe?

45. ## Physics

Water (η = 1.00E-3 Pa*s) is flowing through a horizontal pipe with a volume flow rate of 0.0120 m3/s. As the figure below shows, there are two vertical tubes that project from the pipe. Assume that H = 0.0421 m and L = 0.706 m. Calculate the radius of the

46. ## Physics

Water flows out horizontalmy at the end of a pipe at a height of 52 cm from the floor.If the horizontal distance before it hits the floor is 100 cm,calculate the velocity of the water at the instant it leaves the pipes?

47. ## physics

The concepts that play roles in this problem are similar to those in Multiple-Concept Example 15, except the fluid here moves upward rather than remaining horizontal. A liquid is flowing through a horizontal pipe whose radius is 0.0215 m. The pipe bends

48. ## Physics

Water is flowing through a horizontal pipe at a rate 0.2 m3/s. The pipe narrows from a radius of 10 cm to 4 cm. What is the change in pressure?

49. ## physics

A horizontal pipe of diameter 0.8 m has a smooth constriction to a section of diameter 0.48 m. The density of oil flowing in the pipe is 821 kg/m3. If the pressure in the pipe is 7330 N/m^2 and in the constricted section is 5497.5 N/m^2, what is the rate

50. ## physics

Water flows at speed of 4.2 m/s through a horizontal pipe of diameter 3.4 cm. The gauge pressure P1 of the water in the pipe is 1.5 atm. A short segment of the pipe is constricted to a smaller diameter of 2.4 cm. What is the gauge pressure of the water

51. ## physics

1.)Water flows from a 2 cm diameter pipe, at a speed of 0.35m/sec. How long will it take to fill a 10 liter container? 2.)A horizontal segment of pipe tapers from a cross-sectional area of 50 cm^2 to 0.5 cm^2. The pressure at the larger end of the pipe is

52. ## Physics

A pipe carrying water is laid out over level ground. One segment of the pipe has a diameter of 2.22 cm and the next segment has a diameter of 1.82 cm. In the wider segment, the water pressure is 83,700 Pa and the water is moving at 2.77m/sec. 1-what is the

53. ## physics

Water flows through a 4.0-cm-diameter horizontal pipe at a speed of 1.3m/s . The pipe then narrows down to a diameter of 2.0cm . Ignoring viscosity, what is the pressure difference between the wide and narrow sections of the pipe?

54. ## Physics

Water flows under pressure from one pipe into a second pipe having half the diameter. The volume flow rate in the narrow pipe is ________ that in the wide pipe, and the speed of the water in the narrow pipe is _______ that in the wide pipe

55. ## physics

A 6.4 cm diameter horizontal pipe gradually narrows to 5.2 cm . When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 30.0 kPa and 20.2 kPa , respectively

56. ## physics

A 6.6 diameter horizontal pipe gradually narrows to 3.6 . When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 30.0 and 26.0 , respectively. What is the volume rate of flow? Answer in m^3/s

57. ## Fluid Mechanics

Air at 70 F flows in a .8 inch diameter horizontal pipe. The density of the air is constant at .077 lbm/ft3. Assuming fully-developed flow determine the maximum pressure drop over a 30 ft section of pipe if the flow is laminar. Ans. = .00288psi

58. ## math

Water flows through a pipe with the inner diameter of 20cm at a speed of 1m/s. How long does it take for the water flowing out from the pipe to fill a cylindrical tank with the base radius of 0.8m and the height of 0.5m?

59. ## Math

The area of cross section of a pipe is 5.4 centimetres square and the water pump out of it at the rate of 27 kilometre per hour find the volume of water which flows out of the pipe in 1 minute

60. ## Physics

A 7.9cm diameter horizontal pipe gradually narrows to 5.9cm . When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 31.0kPa and 21.0kPa , respectively. What is the volume rate of flow? in m3/s please help!

61. ## physics

A horizontal segment of pipe tapers from a cross sectional area of 50 cm2 to 0.5 cm2. The pressure at the larger end of the pipe is 1.26 105 Pa and the speed is 0.029 m/s. What is the pressure at the narrow end of the segment? Pa Please help!

62. ## physics

Water flows through a horizontal tube of diameter 2.7 cm that is joined to a second horizontal tube of diameter 1.9 cm. The pressure difference between the tubes is 7.6 kPa. Find the speed of flow in the first tube. v_1 = ? m/s I've tried using P_1 + .5 *

63. ## Science

Water is pumped from a stone basin up through a pipe 1 meter high. At that height, the water flows out through a tap and falls down through the air to the basin below, where the cycle begins again. What is the gravitational potential energy of 2.5

64. ## physics

A horizontal pipe (Venturi Tube) 10.0 cm in diameter has a smooth reduction to a pipe 5.00 cm in diameter. If the pressure of the water in the larger pipe is 8.0 x 105 Pa and the pressure in the smaller pipe is 3.0 x 104 Pa, at what rate does water flow

65. ## physics

A horizontal pipe 17.00 cm in diameter has a smooth reduction to a pipe 8.50 cm in diameter. If the pressure of the water in the larger pipe is 8.00 104 Pa and the pressure in the smaller pipe is 6.00 104 Pa, at what rate does water flow through the pipes?

66. ## Physics

Alcohol flows smoothly through a horizontal pipe that tapers in cross-sectional area from A1 = 41.9 cm2 to A2= A1/3. The pressure difference Äp between the wide and the narrow sections of the pipe is 11.1 kPa. What is the volume flow rate ÄV/Ät of the

67. ## physics

water flows along a horizontal pipe of cross-sectional area 48cm^2 which has a constriction of cross-sectional area 12cm^2 at one place. If the speed of the water at the constriction is 4 m/s, calculate the speed in the wider section. The pressure in the

68. ## Physics

1. You are tasked to design a car park on the top floor of a condominium that can accommodate 10 cars, each car has a maximum mass of 2000 kg. The material you are using can withstand a pressure of 500 N/m^2. Calculate how large your park must be? 2.

69. ## physics

a fluid flows through a horizontal pipe of varying cross-section. Assuming the flow is streamline and applying the bernoulli equation, show that pressure in the pipe is greatest where cross-sectional area is greatest.

70. ## Analytic Geometry

Water spouts from a horizontal pipe 12 meters above the ground. Three meters below the line of the pipe, the water trajectory is at a horizontal distance of 5 meters from the water outlet. How far from the water outlet will the stream of the water hit the

71. ## Physics

An organ pipe that is closed at one end has a fundamental frequency of 122 Hz. There is a leak in the church roof, and some water gets into the bottom of the pipe, as shown in the Figure. The organist then finds that this organ pipe has a frequency of 300

72. ## heat transfer

a. Steam at 230oC flows through a steel pipe ( = 15/. ) whose inner and outer diameters are 9 cm and 10 cm, respectively in an environment at 15oC. The pipe is insulated with 5 cm thick fiberglass ( = 0.035/. ). The given heat transfer coefficients

73. ## Physics

Water at a pressure of 3.90 atm at street level flows into an office building at a speed of 0.45 m/s through a pipe 5.60 cm in diameter. The pipes taper down to 2.10 cm in diameter by the top floor, 26.0 m above. Calculate the water pressure in such a pipe

74. ## physics

A horizontal pipe of diameter 0.845 m has a smooth constriction to a section of diameter 0.507 m. The density of oil flowing in the pipe is 821 kg/m3 . If the pressure in the pipe is 8350 N/m2 and in the constricted section is 6262.5 N/m2 , what is the

75. ## physics

1.)Water flows from a 2 cm diameter pipe, at a speed of 0.35m/sec. How long will it take to fill a 10 liter container? 2.)A horizontal segment of pipe tapers from a cross-sectional area of 50 cm^2 to 0.5 cm^2. The pressure at the larger end of the pipe is

76. ## maths

A large pipe has a diameter of 9.8×10^2cm.Water flows in the pipe at a speed of 5m s^-1.Find the volume in m^3,of water that flows out from the pipe every second,correct to 2 significant fogures.[Take pai as 3.142]

77. ## physic

a pipe is 40% blocked the water is coming into the region is moving at 8.5cm/s just before the blocked segment of pipe. What is the speed of the water as it goes through the partially blocked segment? By how many pascals does the pressure in the blocked

78. ## Physics

Water flows through a pipe of radius 4 cm at a rate of 3.5 m/s. Suppose each water molecule is singly ionized (highly unrealistic). What is the electric current density associated with the flow of these ions? What is the electric current in the pipe?

79. ## Physics

A pipe has a cross sectional radius of 6.00 cm and is carrying water moving at .380 m/sec. If the pipe narrows to a radius of 3.50 cm, what will be the speed of the water in the narrow segment? What is the flow rate in each segment? thank you!!!!!!!

80. ## Physics

Water at a pressure of 400,000Pa flows through a horizontal pipe at a speed of 1.50 m/s. The pipe narrows to 1/8 its original diameter. What is the flow speed through the narrow section?

81. ## computers

1. Water at a pressure of 3.00 x 10 5th Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to one-fourth its original diameter. What is the speed of the flow in the narrow section?

82. ## Physics

A horizontal segment of pipe tapers from a cross sectional area of 50.0 cm^ 2 to 0.500 cm^2. The pressure at the larger end of the pipe is 1.20x 10^5 Pa, and the speed is 0.040 m/s. what is the pressure at the narrow end of the segment?

83. ## physics

Water flows through a 1.2 cm diameter pipe into a 155 L bathtub, which it fills in 8 min.What is the speed of the water in the pipe?

84. ## Physics

Alcohol flows smoothly through a horizontal pipe that tapers in cross-sectional area from A1 = 41.9 cm2 to A2= A1/3. The pressure difference Δp between the wide and the narrow sections of the pipe is 11.1 kPa. What is the volume flow rate ΔV/Δt of the

85. ## physics

Water Flows upward throw the pipe shown in the diagram at 96 L/Min. If the pressure at the lower end is 80kPa, find the velocity of the water is at both ends and the pressure at the upper end. Assume that the density of water remains constant throughout

86. ## physics

A horizontal pipe (Venturi Tube) 10.0 cm in diameter has a smooth reduction to a pipe 5.00 cm in diameter. If the pressure of the water in the larger pipe is 2.0 x 105 Pa and the pressure in the smaller pipe is 5.0 x 104 Pa, at what rate does water flow

87. ## physics

6. A horizontal pipe 7 cm in diameter has a smooth reduction to a pipe 4 cm in diameter. If the pressure of the water in the larger pipe is 6 x 104 Pa and the pressure in the smaller pipe is 4 x 104 Pa, at what rate does water flow through the pipes? 7. A

88. ## Physics

A liquid of density 1.23 × 103 kg/m3 flows steadily through a pipe of varying diameter and height. At location 1 along the pipe the flow speed is 9.23 m/s and the pipe diameter is 1.07 × 101 cm. At location 2 the pipe diameter is 1.71 × 101 cm. At

89. ## Physics

A water pipe is made of iron with an outside diameter of 2.5 cm and inside diameter of 2.0 cm. The pipe is used to ground an electric appliance. If a current of 20 A flows from the appliance into the water pipe, what fraction of this current will flow in

90. ## physics

Water is descending in a vertical pipe of diameter 7 cm and open to the atmosphere. At a lower point the water flows into a smaller pipe of diameter .84 cm. At a certain instant the depth of the water just above the narrowing point is 30 cm and the water

91. ## Physics

Water is descending in a vertical pipe of diameter 7 cm and open to the atmosphere. At a lower point the water flows into a smaller pipe of diameter .84 cm. At a certain instant the depth of the water just above the narrowing point is 30 cm and the water

92. ## physics

Water flows at 0.865 m/s from a hot water heater, through a 450kPa pressure regulator. The pressure in the pipe supplying an upstairs bathtub 3.70 m above the heater is 414kPa . What's the flow speed in this pipe?

93. ## physics

water moving in a horizontal pipe has a velocity of 9 m/s when the radius of the pipe os 0.025m. Determine the velocity of the water when it enters a wider section of the pipe and the radius is 0.075m.

94. ## physics

Water flows at 0.860m/s from a hot water heater, through a 450-kPa pressure regulator. The pressure in the pipe supplying an upstairs bathtub 3.70 m above the heater is 414-kPa. What's the flow speed in this pipe?

95. ## physics

Water flows at 0.830 m/s from a hot water heater, through a 450-kPa pressure regulator. The pressure in the pipe supplying an upstairs bathtub 3.70 m above the heater is 414-kPa. 1. What's the flow speed in this pipe?

96. ## Physics

You are working as a summer intern for the Illinois Department of Natural Resources (DNR) and are assigned to some initial work on water resources project. The department will be overseeing the construction of a dam to create a large fresh water lake that

97. ## physics

Lubricating oil, with a relative density of 0.79, flows around a 90¨¬ bend. The pipe diameter is 0.45m, and the oil has a pressure head of 7m and the flow is 1.7m3/s. Find the force exerted by the oil on the bend. Oil density = 0.79 X 103 Volumetric mass

98. ## physics

water in a dam is 15 m deep. a horizontal pipe of 4 cm diameter passes through the wall of the dam below the surface of water. a plug secures the pipe opening. the frictional force between the plug and pipe wall is about?

99. ## physics

A horizontal pipe contains water at a pressure of 108 kPa flowing with a speed of 1.5 m/s. The pipe narrows to one-half its original diameter. What are the speed and the pressure of the water when the pipe narrows?

100. ## Physics

Water at a pressure of 4.20 atm at street level flows into an office building at a speed of 0.65 m/s through a pipe 6.60 cm in diameter. The pipes taper down to 2.20 cm in diameter by the top floor, 28.0 m above. Calculate the water pressure in such a pipe