Fire hoses used in major structure fires have inside diameters of 6.40 cm. Suppose such a hose carries a flow of 40.0 L/s starting at a gauge pressure of 1.62×106 N/m2 . The hose goes 10.0 m up a ladder to a nozzle having an inside diameter of 3.00 cm. Assuming negligible resistance, what is the pressure in the nozzle?

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

A:

Q: Water flows through a fire hose of diameter 6.35 cm at a rate of 0.015 m3/s. The fire hose ends in a…

A: Here, Flow rate=Q=v2A2v2=QA2=Qπr2

Q: Water (density = 1.0x 10 kg/m³) flows through a horizontal tapered pipe. At the wide end its speed i…

A: The water density = 1.0 x103 kg/m3 The wide end speed of water is 4.0 m/s  The pressure difference…

Q: Fire hoses used in major structure fires have inside diameters of 6.40 cm. Suppose such a hose…

A: To determine,The pressure(P2) in the nozzle.given,To determine,The pressure(P2) in the…

Q: The three containers in Figure CQ9.1 are filled with waterto the same level. Rank the pressures at…

A: Write the expression for the pressure at the bottom of container.

Q: Water at 15C (r = 999.1 kg/m3 and m = 1.138 * 1023 kg/m·s) is flowing steadily in a 30-m-long and…

A:

Q: A garden hose having with an internal diameter of 2.3 cm is connected to a (stationary) lawn…

A: Given data: The internal diameter of the garden hose is, d1= 2.3 cm The diameter of the sprinkler's…

Q: Water is circulating through a closed system of pipes in a two-floor apartment. On the first floor,…

A: Given data: The gauge pressure on first floor is p1=4.3x105 Pa. The velocity at first floor is v1=2…

Q: A sump pump (used to drain water from the basement of houses built below the water table) is…

A: Given: The rate of flowing of water is Q=0.750 L/s. The output pressure is P=3.00×105 N/m2. The…

Q: A sump pump (used to drain water from the basement of houses built below the water table) is…

A: (a). The diameter at the entering point of the hose is 3 cm so the radius will be R1 = 1.5 cm. and…

Q: 10 cm 10 cm Water Air E Air 10 cm D 10 cm 5 cm 5 сm A Hg Hg F FF Hg 10 cm 10 cm G For the given tank…

A:

Q: A sump pump (used to drain water from the basement of houses built below the water table) is…

A:

Q: A sump pump (used to drain water from the basement of houses built below the water table) is…

A: Given data: Rate of flow speed  Q=0.75 L/s=0.75×10-3 m3/s Pressure  Po=2.9×105 Pa Diameter d=3.4…

Q: Water in a pipe of  diameter d flows at a speed v. What happens to the speed of the water flow if it…

A: Given that, Water in a pipe of diameter d flows at a speed v.  We need to find the speed of the…

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: A small jet that has passenger windows which are 30 cm by 41 cm is flying at a speed of 175 m/s. The…

A:

Q: The three containers in Figure CQ9.1 are filled with water to the same level. Rank the pressures at…

A: The expression for the pressure at the bottom of container is,

Q: A venturi tube may be used as the inlet to an automobile carburetor. If the inlet pipe 2.0 cm…

A:

Q: Water is circulating through a closed system of pipes in a two-storey house. On the ground floor,…

A: pressure on ground floor (P1) = 3.5 * 105 Pascals speed of water on ground floor = 2.1 m/s height of…

Q: A large hotel has asked you to build a water fountain that is fed by a 15 cm diameter cylindrical…

A:

Q: A research submarine has a 20-cm-diameter window 8.0 cm thick. The manufacturer says the window can…

A: Given The diameter of the submarine window is d = 20 cm. The thickness of the submarine window is t…

Q: Water flows through a pipe as shown in the figure. The pressure at points 1 and 2 respectively is…

A: Pressure at point 1 is P1=1.90×105 Pa Pressure at point 2 is P2=1.15×105 Pa Radius of pipe at point…

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 sump pump (used to drain water from the basement of houses built below the water table) is…

A:

Q: An Oil company has to pump oil from a tanker truck through an open top, up to a tank 17 m above the…

A: Given: ρ = 978 kg/m3v1 = 3.74 m/sv2 = 0g = 9.8 m/s2h1 = 17 mh2 = 5 m To find: Difference in pressure…

Q: A submarine can be approximated as a cylinder of length 90.0 m and radius 14.0 m. If the submarine…

A:

Q: A sump pump (used to drain water from the basement of houses built below the water table) is…

A:

Q: A sump pump (used to drain water from the basement of houses built below the water table) is…

A: Write the variable with the given values.

Q: A small jet airplane has a total wing area of 90.0 m² and a mass of 7.43 x 10" kg. (a) If this jet…

A: Given,Total wing area, A = 90.0 m2mass of the airplane, m = 7.43 ×104 kgspeed of the wind travelling…

Q: The pulmonary artery, which provides a horizontal connection between the heart and the lungs, is 8.4…

A: According to he poiseuille’s law for the flow rate of blood in pulmonary artery is,According to the…

Q: A large storage tank, open at the top and filled with water, develops a small hole in its side at a…

A:

Q: A sump pump (used to drain water from the basement of houses built below the water table) is…

A:

Q: An opening of area 0.257 cm? in an otherwise closed beverage keg is 45.4 cm below the level of the…

A:

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

A:

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

A: Given data

Q: Water gauge pressure available at a fire hydrant is 80 psi. If a fire hose is connected to the…

A:

Q: Along a highway water is pumped through a straight horizontal underground pipe. The water enters one…

A: Given data The velocity of water at the inlet is: vi = 7.2 m/s The radius of the inlet of the pipe…

Q: 13. Firefighters use a hose with a 2 cm exit nozzle connected to a hydrant with an 8 cm diameter…

A: diameter of exit nozzle = 2cm                               (d1)diameter of hydrant (d2) = 8…

Q: Which one of the following is ?equivalent to a watt N.m N/m*m J.s N.m/s O If a liquid enters a pipe…

A: Solution

Q: Intravenous infusions are usually made with the help of the gravitational force. Assuming that the…

A: The expression for the blood pressure in the vein is given as, Given that the density of the fluid…

Variation of pressure

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