Explanation Given info: The water level in the fire extinguisher is 0.500 m below the nozzle. The gauge pressure is the difference between the inside and outside pressure. P g = P i − P o P i is the inside pressure P o is the outside pressure According to Bernoulli’s equation for a streamline the sum of the pressure the kinetic energy and potential energy per unit volume is constant. Applying Bernoulli’s equation to inside and outside of the fire extinguishers, P o + 1 2 ρ v o 2 + ρ g y o = P i + 1 2 ρ v i 2 + ρ g y i ρ is the density of the water v o is the velocity of the water outside v i is the velocity of water inside y i is water level inside y o water level outside g is free fall acceleration Re-write the above equation to get an expression for the gauge pressure, P i − P o = 1 2 ρ v o 2 + ρ g y o − 1 2 ρ v i 2 − ρ g y i P g = ρ ( 1 2 ( v o 2 − v i 2 )

Student Solutions Manual With Study Guide, Volume 2 For Serway/vuilles College Physics, 10th

10th Edition

ISBN: 9781285866260

Author: SERWAY

Publisher: CENGAGE L

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Question

Chapter 9, Problem 70P

To determine

The gauge pressure required for the water to have a jet speed of 30.0 m⋅s-1 .

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Chapter 9 Solutions

Student Solutions Manual With Study Guide, Volume 2 For Serway/vuilles College Physics, 10th

Ch. 9.2 - Suppose you have one cubic meter of gold, two...Ch. 9.4 - The pressure at the bottom of a glass filled with...Ch. 9.5 - Several common barometers are built using a...Ch. 9.5 - Blood pressure is normally measured with the cuff...Ch. 9.6 - Atmospheric pressure varies from day to day. The...Ch. 9.6 - The density of lead is greater than iron, and both...Ch. 9.7 - You observe two helium balloons floating next to...Ch. 9 - Physics Review A soap bubble hovers motionlessly...Ch. 9 - Physics Review A team of huskies performs 7 440 J...Ch. 9 - Prob. 3WUE

Ch. 9 - Prob. 4WUE Ch. 9 - Humans can bite with a force of approximately 800...Ch. 9 - A hydraulic jack has an input piston of area 0.050...Ch. 9 - Prob. 7WUE Ch. 9 - Prob. 8WUE Ch. 9 - Prob. 9WUE Ch. 9 - A horizontal pipe narrows from a radius of 0.250 m...Ch. 9 - A large water tank is 3.00 m high and filled lo...Ch. 9 - Prob. 1CQ Ch. 9 - The density of air is 1.3 kg/m3 at sea level. From...Ch. 9 - Why do baseball home run hitters like to play in...Ch. 9 - Figure CQ9.4 shows aerial views from directly...Ch. 9 - Prob. 5CQ Ch. 9 - Prob. 6CQ Ch. 9 - Suppose a damaged ship just barely floats in the...Ch. 9 - During inhalation, the pressure in the lungs is...Ch. 9 - The water supply for a city is often provided from...Ch. 9 - An ice cube is placed in a glass of water. What...Ch. 9 - Place two cans of soft drinks, one regular and one...Ch. 9 - Will an ice cube float higher in water or in an...Ch. 9 - Prob. 13CQ Ch. 9 - Prob. 14CQ Ch. 9 - A person in a boat floating in a small pond throws...Ch. 9 - One of the predicted problems due to global...Ch. 9 - Prob. 1P Ch. 9 - Prob. 3P Ch. 9 - Calculate the mass of a solid gold rectangular bar...Ch. 9 - Prob. 5P Ch. 9 - Prob. 6P Ch. 9 - Suppose a distant world with surface gravity of...Ch. 9 - Evaluate Young's modulus for the material whose...Ch. 9 - The Deformation of Solids 65. A 200.-kg load is...Ch. 9 - Comic-book superheroes are sometimes able to punch...Ch. 9 - A plank 2.00 cm thick and 15.0 cm wide is firmly...Ch. 9 - Assume that if the shear stress in steel exceeds...Ch. 9 - For safety in climbing, a mountaineer uses a nylon...Ch. 9 - A stainless-steel orthodontic: wire is applied to...Ch. 9 - Bone has a Youngs modulus of 18 109 Pa. Under...Ch. 9 - A high-speed lifting mechanism supports an 800.-kg...Ch. 9 - Prob. 17P Ch. 9 - The total cross-sectional area of the load-bearing...Ch. 9 - Prob. 19P Ch. 9 - Prob. 20P Ch. 9 - (a) Calculate the absolute pressure at the bottom...Ch. 9 - Mercury is poured into a U-tube as shown in Figure...Ch. 9 - A collapsible plastic bag (Fig. F9.11) contains a...Ch. 9 - Prob. 24P Ch. 9 - A container is filled to a depth of 20.0 cm with...Ch. 9 - Blaise Pascal duplicated Torricellis barometer...Ch. 9 - Figure P9.27 shows the essential parts of a...Ch. 9 - Piston in Figure P9.16 has a diameter of 0.25...Ch. 9 - Buoyant Forces and Archimedes Principle A...Ch. 9 - The average human has a density of 945 kg/m3 after...Ch. 9 - A small ferryboat is 4.00 m wide and 6.00 m long....Ch. 9 - A 62.0-kg survivor of a cruise line disaster rests...Ch. 9 - A wooden block of volume 5.24 104 m3 floats in...Ch. 9 - A large balloon of mass 226 kg is filled with...Ch. 9 - A spherical weather balloon is filled with...Ch. 9 - A man of mass m = 70.0 kg and having a density of ...Ch. 9 - On October 21, 2001, Ian Ashpole of the United...Ch. 9 - The gravitational force exerted on a solid object...Ch. 9 - A cube of wood having an edge dimension of 20.0 cm...Ch. 9 - A light spring of force constant k = 160 N/m rests...Ch. 9 - A sample of an unknown material appears to weigh...Ch. 9 - An object weighing 300 N in air is immersed in...Ch. 9 - A 1.00-kg beaker containing 2.00 kg of oil...Ch. 9 - Wafer flowing through a garden hose of diameter...Ch. 9 - Prob. 45P Ch. 9 - Prob. 46P Ch. 9 - A hypodermic syringe contain a medicine with the...Ch. 9 - When a person inhales, air moves down the bronchus...Ch. 9 - A jet airplane in level flight has a mass of 8.66 ...Ch. 9 - An airplane has a mass M, and the two wings have a...Ch. 9 - Prob. 51P Ch. 9 - Prob. 52P Ch. 9 - A jet of water squirts out horizontally from a...Ch. 9 - A large storage tank, open to the atmosphere at...Ch. 9 - The inside diameters of the larger portions of the...Ch. 9 - Water is pumped through a pipe of diameter 15.0 cm...Ch. 9 - Old Faithful geyser in Yellowstone Park erupts at...Ch. 9 - The Venturi tube shown in Figure P9.48 may be used...Ch. 9 - Prob. 59P Ch. 9 - Prob. 60P Ch. 9 - A certain fluid has a density of 1.080 kg/m3 and...Ch. 9 - Whole blood has a surface tension of 0.058 N/m and...Ch. 9 - Prob. 63P Ch. 9 - Prob. 64P Ch. 9 - Prob. 65P Ch. 9 - Prob. 66P Ch. 9 - Spherical panicles of a protein of density 1.8...Ch. 9 - A hypodermic needle is 3.0 era in length and 0.30...Ch. 9 - Prob. 69P Ch. 9 - Prob. 70P Ch. 9 - The aorta in humans has a diameter of about 2.0...Ch. 9 - Prob. 72P Ch. 9 - Prob. 73P Ch. 9 - Glycerin in water diffuses along a horizontal...Ch. 9 - Prob. 75P Ch. 9 - Small spheres of diameter 1.00 mm fall through 20C...Ch. 9 - An iron block of volume 0.20 m5 is suspended from...Ch. 9 - The true weight of an object can be measured in a...Ch. 9 - As a first approximation. Earth's continents may...Ch. 9 - Prob. 80AP Ch. 9 - Prob. 81AP Ch. 9 - Superman attempts to drink water through a very...Ch. 9 - The human brain and spinal cord are immersed in...Ch. 9 - A Hydrometer is an instrument used to determine...Ch. 9 - Prob. 85AP Ch. 9 - A helium-filled balloon, whose envelope has a mass...Ch. 9 - A light spring of constant A = 90.0 N/m is...Ch. 9 - A U-tube open at both ends is partially filled...Ch. 9 - In about 1657. Otto von Guericke, inventor of the...Ch. 9 - Oil having a density of 930 kg/m3 floats on water....Ch. 9 - Prob. 91AP

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The gauge pressure required for the water to have a jet speed of 30.0 m ⋅ s -1 .

Solution Summary: The author explains that the gauge pressure is the difference between the inside and outside pressure.

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The gauge pressure required for the water to have a jet speed of 30.0 m⋅s-1 .

Chapter 9 Solutions