College Physics
10th Edition
ISBN: 9781285737027
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Textbook Question
Chapter 9, Problem 36P
A man of mass m = 70.0 kg and having a density of ρ = 1 050 kg/m3 (while holding his breath) is completely submerged in water, (a) Write Newton’s second law for this situation in terms of the man’s mass m, the density of water ρω, his volume V, and g. Neglect any viscous drag of the water, (b) Substitute m = ρV into Newton’s second law and solve for the acceleration a, canceling common factors, (c) Calculate the numeric value of the man’s acceleration, (d) How long does it take the man to sink 8.00 m to the bottom of the lake?
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Chapter 9 Solutions
College Physics
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. 4WUECh. 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. 7WUECh. 9 - Prob. 8WUECh. 9 - Prob. 9WUECh. 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. 1CQCh. 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. 5CQCh. 9 - Prob. 6CQCh. 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. 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Under...Ch. 9 - A high-speed lifting mechanism supports an 800.-kg...Ch. 9 - Prob. 17PCh. 9 - The total cross-sectional area of the load-bearing...Ch. 9 - Prob. 19PCh. 9 - Prob. 20PCh. 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. 24PCh. 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. 45PCh. 9 - Prob. 46PCh. 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. 51PCh. 9 - Prob. 52PCh. 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. 59PCh. 9 - Prob. 60PCh. 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. 63PCh. 9 - Prob. 64PCh. 9 - Prob. 65PCh. 9 - Prob. 66PCh. 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. 69PCh. 9 - Prob. 70PCh. 9 - The aorta in humans has a diameter of about 2.0...Ch. 9 - Prob. 72PCh. 9 - Prob. 73PCh. 9 - Glycerin in water diffuses along a horizontal...Ch. 9 - Prob. 75PCh. 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. 80APCh. 9 - Prob. 81APCh. 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. 85APCh. 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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