Problem 1CQ: Which has the greater density, 1 g of mercury or 1000 g of water? Problem 2CQ Problem 3CQ: You are given an irregularly shaped chunk of material and asked to find its density. List the... Problem 4CQ Problem 5CQ Problem 6CQ Problem 7CQ: Rank in order, from largest to smallest, the pressures at A, B, and C in Figure Q.13.7. Explain.... Problem 8CQ Problem 9CQ: A steel cylinder at sea level contains air at a high pressure. Attached to the tank are two gauges,... Problem 10CQ: In Figure Q.13.10, A and B are rectangular tanks full of water. They have equal heights and equal... Problem 11CQ: Imagine a square column of the atmosphere, 1 m on a side, that extends all the way to the top of the... Problem 12CQ Problem 13CQ: In Figure Q.13.13, is pA larger, smaller, or equal to pB? Explain. Figure Q13.13 Problem 14CQ: A beaker of water rests on a scale. A metal ball is then lowered into the beaker using a string tied... Problem 15CQ: Rank in order, from largest to smallest, the densities of objects A, B, and C in Figure Q.13.15.... Problem 16CQ: Objects A, B, and C in Figure Q.13.16 have the same volume. Rank in order, from largest to smallest,... Problem 17CQ: Refer to Figure Q.13.16. Now A, B, and C have the same density, but still have the masses given in... Problem 18CQ: A heavy lead block and a light aluminum block of equal size sit at rest at the bottom of a pool of... Problem 19CQ: When you stand on a bathroom scale, it reads 700 N. Suppose a giant vacuum cleaner sucks half the... Problem 20CQ: Suppose you stand on a bathroom scale that is on the bottom of a swimming pool. The water comes up... Problem 21CQ: When you place an egg in water, it sinks. If you start adding salt to the water, after some time the... Problem 22CQ: The water of the Dead Sea is extremely salty, which gives it a very high density of 1240 kg/m3.... Problem 23CQ: Fish can adjust their buoyancy with an organ called the swim bladder. The swim bladder is a flexible... Problem 24CQ: Figure Q.13.24 shows two identical beakers filled to the same height with water. Beaker B has a... Problem 25CQ: A tub of water, filled to the brim, sits on a scale. Then a floating block of wood is placed in the... Problem 26CQ: Ships A and B have the same height and the same mass. Their cross-section profiles are shown in... Problem 27CQ: Gas flows through a pipe, as shown in Figure Q.13.27. The pipes constant outer diameter is shown;... Problem 28CQ Problem 29CQ Problem 30CQ: Is it possible for a fluid in a tube to flow in the direction from low pressure to high pressure? If... Problem 31CQ Problem 32CQ: Two pipes have the same inner cross-section area. One has a circular cross section and the other has... Problem 33MCQ: Figure Q.13.33 shows a 100 g block of copper ( = 8900 kg/m3) and a 100 g block of aluminum ( 2700... Problem 34MCQ: Masses A and B rest on very light pistons that enclose a fluid, as shown in Figure Q.13.34. There is... Problem 35MCQ Problem 36MCQ Problem 37MCQ: A large beaker of water is filled to its rim with water. A block of wood is then carefully lowered... Problem 38MCQ: An object floats in water, with 75% of its volume submerged. What is its approximate density? A. 250... Problem 39MCQ: A syringe is being used to squirt water as shown in Figure Q.13.39. The water is ejected from the... Problem 40MCQ: Water flows through a 4.0-cm-diameter horizontal pipe at a speed of 1.3 m/s The pipe then narrows... Problem 41MCQ: A 15-m-long garden hose has an inner diameter of 2.5 cm. One end is connected to a spigot; 20C water... Problem 1P Problem 2P: A standard gold bar stored at Fort Knox, Kentucky, is 7.00 inches long, 3.63 inches wide, and 1.75... Problem 3P Problem 4P: Air enclosed in a cylinder has density = 1.4 kg/m3. a. What will be the density of the air if the... Problem 5P Problem 6P: Ethyl alcohol has been added to 200 mL of water in a container that has a mass of 150 g when empty.... Problem 7P: The average density of the body of a fish is 1080 kg/m3. To keep from sinking, the fish increases... Problem 8P Problem 9P: A tall cylinder contains 25 cm of water. Oil is carefully poured into the cylinder, where it floats... Problem 10P Problem 11P: A 35-cm-tall, 5.0-cm-diameter cylindrical beaker is filled to its brim with water. What is the... Problem 12P: The gauge pressure at the bottom of a cylinder of liquid is p9 = 0.40 atm. The liquid is poured into... Problem 13P: A research submarine has a 20-cm-diameter window 8.0 cm thick. The manufacturer says the window can... Problem 14P: The highest that George can suck water up a very long straw is 2.0 m. (This is a typical value.)... Problem 15P Problem 16P Problem 17P Problem 18P: Glycerin is poured into an open U-shaped tube until the height in both sides is 20 cm. Ethyl alcohol... Problem 19P: A U-shaped tube, open to the air on both ends, contains mercury. Water is poured into the left arm... Problem 20P: What is the height of a water barometer at atmospheric pressure? Problem 21P: Postural hypotension is the occurrence of low (systolic) blood pressure when standing up too quickly... Problem 22P: A 6.00-cm-diameter sphere with a mass of 89.3 g is neutrally buoyant in a liquid. Identify the... Problem 23P: A cargo barge is loaded in a saltwater harbor for a trip up a freshwater river. If the rectangular... Problem 24P: A 10 cm 10 cm 10 cm wood block with a density of 700 kg/m3 floats in water. a. What is the... Problem 25P: What is the tension in the string in Figure P.13.25? Figure P13.25 Problem 26P: What is the tension in the string in Figure P.13.26? Figure P13.26 Problem 27P: A 10 cm 10 cm 10 cm block of steel steel = 7900 kg/m3 is suspended from a spring scale. The scale... Problem 28P: To determine an athletes body fat, she is weighed first in air and then again while shes completely... Problem 29P: Styrofoam has a density of 32 kg/m3. What is the maximum mass that can hang without sinking from a... Problem 30P: Calculate the buoyant force due to the surrounding air on a man weighing 800 N. Assume his average... Problem 31P: River Pascal with a volume flow rate of 5.0 105 L/s joins with River Archimedes, which carries 10.0... Problem 32P: Water flowing through a 2.0-cm-diameter pipe can fill a 300 L bathtub in 5.0 min. What is the speed... Problem 33P Problem 34P Problem 35P: What does the top pressure gauge in Figure P.13.35 read? Figure P13.35 Problem 36P Problem 37P Problem 38P: What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal... Problem 39P: Water flows at 0.25 L/s through a 10-m-long garden hose 2.5 cm in diameter that is lying flat on the... Problem 40P Problem 41GP: The density of gold is 19,300 kg/m3. 197 g of gold is shaped into a cube. What is the length of each... Problem 42GP: As discussed in Section 13.3, a persons percentage of body fat can be estimated by weighing the... Problem 43GP: The density of aluminum is 2700 kg/m3. How many atoms are in a 2.0 cm 2.0 cm 2.0 cm cube of... Problem 44GP: A 50-cm-thick layer of oil floats on a 120-cm-thick layer of water. What is the pressure at the... Problem 45GP: An oil layer floats on 85 cm of water in a tank. The absolute pressure at the bottom of the tank is... Problem 46GP: The little Dutch boy saved Holland by sticking his finger in the leaking dike. If the water level... Problem 47GP Problem 48GP: A friend asks you how much pressure is in your car tires. You know that the tire manufacturer... Problem 49GP Problem 50GP: A 6.0-cm-tall cylinder floats in water with its axis perpendicular to the surface. The length of the... Problem 51GP: A sphere completely submerged in water is tethered to the bottom with a string. The tension in the... Problem 52GP Problem 53GP: A 5.0 kg rock whose density is 4800 kg/m3 is suspended by a string such that half of the rock's... Problem 54GP: A flat slab of styrofoam, with a density of 32 kg/m3, floats on a lake. What minimum volume must the... Problem 55GP: A 2.0 mL syringe has an inner diameter of 6.0 mm, a needle inner diameter of 0.25 mm, and a plunger... Problem 56GP Problem 57GP: The leaves of a tree lose water to the atmosphere via the process of transpiration. A particular... Problem 58GP: II A hurricane wind blows across a 6.00 m 5.0 m flat roof at a speed of 130 km/h. a. Is the air... Problem 59GP Problem 60GP Problem 61GP: Air at 20C flows through the tube shown in Figure P.13. Assume that air is an ideal fluid. Figure... Problem 62GP: Air at 20C flows through the tube shown in Figure P.13.62 at a rate of 1200 cm3/s. Assume that air... Problem 63GP: Water flows at 5.0 L/s through a horizontal pipe that narrows smoothly from 10 cm diameter to 5.0 cm... Problem 64GP Problem 65GP Problem 66GP: Smoking tobacco is bad for your circulatory health. In an attempt to maintain the blood's capacity... Problem 67GP: A stiff, 10-cm-long tube with an inner diameter of 3.0 mm is attached to a small hole in the side of... Problem 68MSPP Problem 69MSPP: Because the flow speed in your capillaries is much less than in the aorta, the total cross-section... Problem 70MSPP: Suppose that in response to some stimulus a small blood vessel narrows to 90% of its original... Problem 71MSPP format_list_bulleted