Fundamentals of Physics Extended
10th Edition
ISBN: 9781118230725
Author: David Halliday, Robert Resnick, Jearl Walker
Publisher: Wiley, John & Sons, Incorporated
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Chapter 14, Problem 35P
Three children, each of weight 356 N, make a log raft by lashing together logs of diameter 0.30 m and length 1.80 m. How many logs will be needed to keep them afloat in fresh water? Take the density of the logs to be 800 kg/m3.
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Chapter 14 Solutions
Fundamentals of Physics Extended
Ch. 14 - We fully submerge an irregular 3 kg lump of...Ch. 14 - Figure 14-21 shows four situations in which a red...Ch. 14 - A boat with an anchor on board floats in a...Ch. 14 - Figure 14-22 shows a tank filled with water. Five...Ch. 14 - The teapot effect. Water poured slowly from a...Ch. 14 - Figure 14-24 shows three identical open-top...Ch. 14 - Figure 14-25 shows four arrangements of pipes...Ch. 14 - A rectangular block is pushed face-down into three...Ch. 14 - Water flows smoothly in a horizontal pipe. Figure...Ch. 14 - We have three containers with different Liquids....
Ch. 14 - ILW A fish maintains its depth in fresh water by...Ch. 14 - A partially evacuated airtight container has a...Ch. 14 - SSM Find the pressure increase in the fluid in a...Ch. 14 - Three liquids that will not mix are poured into a...Ch. 14 - SSM An office window has dimensions 3.4 m by 2.1...Ch. 14 - Prob. 6PCh. 14 - In 1654 Otto von Guericke, inventor of the air...Ch. 14 - The bends during flight. Anyone who scuba dives is...Ch. 14 - Blood pressure in Argentinosaurus. a If this...Ch. 14 - The plastic tube in Fig. 14-30 has a...Ch. 14 - Giraffe bending to drink. In a giraffe with its...Ch. 14 - The maximum depth dmax that a diver can snorkel is...Ch. 14 - At a depth of 10.5 km, the Challenger Deep in the...Ch. 14 - Calculate the hydrostatic difference in blood...Ch. 14 - What gauge pressure must a machine produce in...Ch. 14 - Snorkeling by humans and elephants. When a person...Ch. 14 - SSM Crew members attempt to escape from a damaged...Ch. 14 - In Fig. 14-32, an open tube of length L = 1.8 m...Ch. 14 - GO A large aquarium of height 5.00 m is filled...Ch. 14 - The L-shaped fish tank shown in Fig. 14-33 is...Ch. 14 - SSM Two identical cylindrical vessels with their...Ch. 14 - Prob. 22PCh. 14 - GO In analyzing certain geological features, it is...Ch. 14 - GO In Fig. 14-35, water stands at depth D = 35.0 m...Ch. 14 - In one observation, the column in a mercury...Ch. 14 - To suck lemonade of density 1000 kg/m3 up a straw...Ch. 14 - SSM What would be the height of the atmosphere if...Ch. 14 - A piston of cross-sectional area a is used in a...Ch. 14 - In Fig 14-37, a spring of spring constant 3.00 ...Ch. 14 - A 5.00 kg object is released from rest while fully...Ch. 14 - SSM A block of wood floats in fresh water with...Ch. 14 - In Fig. 14-38, a cube of edge length L = 0.600 m...Ch. 14 - SSM An iron anchor of density 7870kg/m3 appears...Ch. 14 - A boat floating in fresh water displaces water...Ch. 14 - Three children, each of weight 356 N, make a log...Ch. 14 - GO In Fig. 14-39a, a rectangular block is...Ch. 14 - ILW A hollow spherical iron shell floats almost...Ch. 14 - GO A small solid ball is released from rest while...Ch. 14 - SSM WWW A hollow sphere of inner radius 8.0 cm and...Ch. 14 - Lurking alligators. An alligator waits for prey by...Ch. 14 - What fraction of the volume of an iceberg density...Ch. 14 - A Flotation device is in the shape of a right...Ch. 14 - When researchers find a reasonably complete fossil...Ch. 14 - A wood block mass 3.67 kg, density 600 kg/m3 is...Ch. 14 - GO An iron casting containing a number of cavities...Ch. 14 - GO Suppose that you release a small ball from rest...Ch. 14 - The volume of air space in the passenger...Ch. 14 - GO Figure 14-44 shows an iron ball suspended by...Ch. 14 - Canal effect. Figure 14-45 shows an anchored barge...Ch. 14 - Figure 14-46 shows two sections of an old pipe...Ch. 14 - SSM A garden hose with an internal diameter of 1.9...Ch. 14 - Two streams merge to form a river. One stream has...Ch. 14 - SSM Water is pumped steadily out of a flooded...Ch. 14 - GO The water flowing through a 1.9 cm inside...Ch. 14 - How much work is done by pressure in forcing 1.4...Ch. 14 - Suppose that two tanks, 1 and 2, each with a large...Ch. 14 - SSM A cylindrical tank with a large diameter is...Ch. 14 - The intake in Fig. 14-47 has cross-sectional area...Ch. 14 - SSM Water is moving with a speed of 5.0 m/s...Ch. 14 - Models of torpedoes are sometimes tested in a...Ch. 14 - ILW A water pipe having a 2.5 cm inside diameter...Ch. 14 - A pitot tube Fig. 14-48 is used to determine the...Ch. 14 - Prob. 63PCh. 14 - GO In Fig. 14-49, water flows through a horizontal...Ch. 14 - SSM WWW A venturi meter is used to measure the...Ch. 14 - Consider the venturi tube of Problem 65 and Fig....Ch. 14 - ILW In Fig. 14-51, the fresh water behind a...Ch. 14 - GO Fresh water flows horizontally from pipe...Ch. 14 - A liquid of density 900 kg/m3 flows through a...Ch. 14 - GO In Fig. 14-53, water flows steadily from the...Ch. 14 - Figure 14-54 shows a stream of water flowing...Ch. 14 - GO A very simplified schematic of the rain...Ch. 14 - About one-third of the body of a person floating...Ch. 14 - A simple open U-tube contains mercury. When 11.2...Ch. 14 - If a bubble in sparkling water accelerates upward...Ch. 14 - Suppose that your body has a uniform density of...Ch. 14 - Prob. 77PCh. 14 - Caught in an avalanche, a skier is fully submerged...Ch. 14 - An object hangs from a spring balance. The balance...Ch. 14 - In an experiment, a rectangular block with height...Ch. 14 - SSM Figure 14-30 shows a modified U-tube: the...Ch. 14 - What is the acceleration of a rising hot-air...Ch. 14 - Figure 14-56 shows a siphon, which is a device for...Ch. 14 - When you cough, you expel air at high speed...Ch. 14 - A tin can has a total volume of 1200 cm3 and a...Ch. 14 - The tension in a string holding a solid block...Ch. 14 - What is the minimum area in square meters of the...Ch. 14 - A 8.60 kg sphere of radius 6.22 cm is at a depth...Ch. 14 - a For seawater of density 1.03 g/cm3, find the...Ch. 14 - The sewage outlet of a house constructed on a...
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