Fire hoses used in major structural fires have an inside diameter of 6.40 cm (figure 6) Suppose such a hose carries a flow of 46.0 x 10-3 m3/s, starting at a gauge pressure of 1.32×106 N/m2. The hose rises up 10.0 m along a ladder to a nozzle having an inside diameter of 4.00 cm. Determine the pressure in the nozzle

Q: Water flows through a horizontal pipe with a cross section area of 4 m2 at a speed of 5 m/s with a…

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Q: 5. Refer to #4. What is the gauge pressure at the bottom of the tank? b) 9.80 x 104 Pa a) 1.99 x 105…

A: 4) height of cube  h = 10(1/3) = 2.15 m At  bottom  P = Patm + ρgh  P = 1.013 × 105 Pa +…

Q: A collapsible plastic bag (figure below) contains a glucose solution. If the average gauge pressure…

A: Given data: Pressure, P=1.38×103 Pa Specific gravity of the solution = 1.04 our question is to…

Q: Problem 8: Suppose you have a 8.6 cm diameter fire hose with a 3.2 cm diameter nozzle. Part (a)…

A: Given parameters are, Diameter of fire hose = 8.6 cm Then Radius of fire hose,  r1 = 4.3×10-2m…

Q: Water flows from a fire truck through a hose that is 11.7 cm in diameter and has a nozzle that is…

A: Given:- Diameter of the hose = 11.7 cm = 0.117 m Radius of the hose = 0.117 / 2 = 0.0585 m Diameter…

Q: The 3.0-cm-diameter water line as shown splits into two 1.0-cm-diameter pipes. All pipes are…

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Q: The owner of the gas station wants to bury the gasoline so deep that no vacuum pump will be able to…

A: specific gravity of gasoline = 0.712 atmospheric pressure = 101325Pascals

Q: 3. (a) What is the mass of a deep breath of air having a volume of 2.00 L? (b) Discuss the effect…

A: 3. Given Data:- The volume of deep breaths of air is v = 2.0 L.

Q: A school is supplied with water through a main pipe with A 7.00 cm diameter. A faucet located  h =…

A: Given data: The diameter of main pipe is D=7.00 cm. The height of faucet above main pipe is h=1.90…

Q: A hotel builds a water (1.00 g/cm³) fountain that is fed by a d = 14.7 cm diameter cylindrical pipe…

A: GIVEN: Water density ρ = 1g/cm3or 1000kg/m3Din =14.7cmDout5.9cmhbelow= 8.31mhabove= 2.38mvout…

Q: A warehouse is supplied with water through a main pipe with A 5.00 cm diameter. A faucet located h =…

A: Given: Diameter of main pipe, d1 = 5cm = 0.05 m Diameter of faucet, d2 = 2 cm = 0.02 m Height at…

Q: 5. Refer to #4. What is the gauge pressure at the bottom of the tank? b) 9.80 x 104 Pa а) 1.99 х 105…

A: gauge pressure Pg=P-Pa= (Pa+hdg)-Pa hdg is gauge pressure depth is h

Q: A horizontal hose pipe is lying on the ground and it contains water at a pressure of 110 x10^3 Pa…

A: Given: Pressure of water, P1=110×103 Pa Initial speed of water, v1=1.6 m/s Density of water, ρW=1000…

Q: As an engineer, you must also be mindful of the plumbing system of the house. In a house you are…

A: The information given in the system is s follows: a. v1=4 m/s b. P1=6.5×104 Pa c. The difference in…

Q: Use this information for questions 21 and 22. A fluid flows at 0.252 m/s through a pipe with a…

A: Given:- A)  A fluid flows at 0.252 m/s through a pipe with a circular cross-section and diameter of…

Q: Problem #2: Fire hoses used in major structural fires have an inside diameter of 3.8 cm, Suppose…

A: Data Given,  Inside diameter of the hose ( d1 ) = 3.8 cm = 0.038 m Flow rate Q= 30 × 10-3 m3/s…

Q: A firefighter stands on the ladder of a fire truck. To fight a fire in a tall building he needs a…

A: (a)According to the equation of the continuity,

Q: Water travels through a pipe at 8.57 m/s. The pipe expands from a crossectional area of 2.8 m2 to an…

A: a) With respect to equation of continuity, the expression used to calculate speed of water in the…

Q: (Figure 1) shows a section of a long tube that narrows near its open end to a diameter of 2.0 mm.…

A: Given: Flow rate at opened end =0.030 L/s Temperature, T=20 °C Diameter at narrow end, d1 =2.00 mm…

Q: Calculate the absolute pressure when a submarine is at a depth of 500 m in the ocean. Assumed that…

A: Given data:  Acceleration due to gravity (g) =9.80 m/s2  1 atm = 1.013 × 105 Pa Depth (h) = 500 m…

Q: A container is filled with water and the pressure at the container bottom is P. If the container is…

A: Given data: Pressure at bottom, when container filled with water is, P. Pressure at bottom, when…

Q: You inflate the tires of your car to a gauge pressure of 41.0 lb/in2. If your car has a mass of 1725…

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Q: Suppose you have a 9.8 cm diameter fire hose with a 3.2 cm diameter nozzle. a) Calculate the…

A: Given Data : The diameter of the wire hose is given as d1 = 9.8cm. The diameter of the nozzle is…

Q: Example 5.2 Water enters the basement through a pipe 2 cm in radius at an absolute pressure of 3…

A: Given : r1=2cm =0.02m P1=3atm = 3.039 x 105Pa r2=0.5cm=0.005m h1=0m h2=10m P2=1.013 x 105Pa

Q: Equation of Continuity and Bernoulli’s Equation. Air flow horizontally past a small airplane’s wings…

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Q: A water cannon 2.15 m long and with a cross-sectional area of 11.0 cm2 is aimed straight up and…

A: Length of water cannon = 2.15 m A1 = 11 cm2v1 = 8.8 m/s A2  = 46 cm2Using equation of continuity…

Q: Unreasonable Results - A fairly large garden hose has an internal radius of 0.600 cm and a length of…

A: r=Radius of pipe=0.6 cml=Length of pipe=23 mQ=Flow rate=50 L/sη=Viscosity of water=1.005×10−3…

Q: Water travels through a pipe at 5.68 m/s. The pipe expands from a crossectional area of 1.9 m² to an…

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Q: Water circulates throughout a house in a hot-water heating system. If the water is pumped at a speed…

A: Given: Pumping speed of water v1 = 0.5 m/s. Diameter of pipe d1 = 4.0 cm. Pressure inside the pipe…

Q: Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure…

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Q: 1. A hemispherical bowl of radius 10 m is filled with water. There is a small hole of radius 10 cm…

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Q: 1. Water flows at 1.73 m/s from a horizontal hose with a cross-sectional area of 4.00 cm² into a…

A: The equation of continuity is  a v =constant  where, a is the area and v is the velocity.

Q: Q1: The water in a tank is pressurized by air, and the pressure is measured by a multi-fluid…

A: H1 = 0.2 m H2 = 0.3 m H3 = 0.46m ρmer = 13.6 g/cm3 = 13600 kg/m3  ρoil = 0.85 g/cm3 = 850 kg/m3  To…

Q: Question 7 of 18 You come across an open container that is filled with two liquids. Since the two…

A: Given : Gravitational acceleration = g = 9.81 m/s2 Density of water = w = 1000 kg/m3 Density of the…

Q: We have two barometers, like the one shown in the figure. One uses mercury and the other uses an…

A: Given data The relation between the height of the mercury and the unknow liquid is given as hu =…

Q: A firefighter stands on the ladder of a fire truck. To fight a fire in a tall building he needs a…

A:

Q: A hotel builds a water (1.00 g/cm³) fountain that is fed by a din = 14.9 cm diameter cylindrical…

A:

Q: Water flows with a constant speed through a pipe of constant cross-sectional area in the ground…

A: Speed = v (constant) Area of cross section = A (constant) density of water = 1000 kgm3P1 = 140 kPA…

Q: A collapsible plastic bag (figure below) contains a glucose solution. If the average gauge pressure…

A:

Q: What is the total downward force on the surface of the 4.0x5.0 meter floor due to air pressure of…

A: Given dimension of the surface, l×b=4m×5m Air pressure, p=1atm⇒1.03125×105N/m2

Q: pipe

A: Given: Speed of the water in the pipe =9.11 m/s Area of the pipe = 1.9 m2 Area after pipe contracts…

Q: Suppose you have a 8.8 cm diameter fire hose with a 3.6 cm diameter nozzle. a) Calculate the…

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Q: Question 3. As shown in the figure that the pipe section is placed on a horizontal plane. At flow of…

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Q: An ocean-going research submarine has a 40.0-cm-diameter window 8.70 cm thick. The manufacturer says…

A: Pressure P = F/A Pressure due to liquid column = hdg d = density of liquid

Q: 3. What fraction of a piece of iron will be submerged when it floats in mercury? 4. A nozzle with a…

A: 3.  When an object is submerged into fluid, the object experiences the buoyancy force provided by…

Q: Problem 8: Suppose you have a 9.6 cm diameter fire hose with a 3.6 cm diameter nozzle. Part (a)…

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Q: Suppose you have a 8.8 cm diameter fire hose with a 3.4 cm diameter nozzle. a)Calculate the pressure…

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Variation of pressure

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