College Physics: A Strategic Approach (3rd Edition)
3rd Edition
ISBN: 9780321879721
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
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Chapter 13, Problem 54GP
A flat slab of styrofoam, with a density of 32 kg/m3, floats on a lake. What minimum volume must the slab have so that a 40 kg boy can sit on the slab without it sinking?
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Chapter 13 Solutions
College Physics: A Strategic Approach (3rd Edition)
Ch. 13 - Which has the greater density, 1 g of mercury or...Ch. 13 - Prob. 2CQCh. 13 - You are given an irregularly shaped chunk of...Ch. 13 - Prob. 4CQCh. 13 - Prob. 5CQCh. 13 - Prob. 6CQCh. 13 - Rank in order, from largest to smallest, the...Ch. 13 - Prob. 8CQCh. 13 - A steel cylinder at sea level contains air at a...Ch. 13 - In Figure Q.13.10, A and B are rectangular tanks...
Ch. 13 - Imagine a square column of the atmosphere, 1 m on...Ch. 13 - Prob. 12CQCh. 13 - In Figure Q.13.13, is pA larger, smaller, or equal...Ch. 13 - A beaker of water rests on a scale. A metal ball...Ch. 13 - Rank in order, from largest to smallest, the...Ch. 13 - Objects A, B, and C in Figure Q.13.16 have the...Ch. 13 - Refer to Figure Q.13.16. Now A, B, and C have the...Ch. 13 - A heavy lead block and a light aluminum block of...Ch. 13 - When you stand on a bathroom scale, it reads 700...Ch. 13 - Suppose you stand on a bathroom scale that is on...Ch. 13 - When you place an egg in water, it sinks. If you...Ch. 13 - The water of the Dead Sea is extremely salty,...Ch. 13 - Fish can adjust their buoyancy with an organ...Ch. 13 - Figure Q.13.24 shows two identical beakers filled...Ch. 13 - A tub of water, filled to the brim, sits on a...Ch. 13 - Ships A and B have the same height and the same...Ch. 13 - Gas flows through a pipe, as shown in Figure...Ch. 13 - Prob. 28CQCh. 13 - Prob. 29CQCh. 13 - Is it possible for a fluid in a tube to flow in...Ch. 13 - Prob. 31CQCh. 13 - Two pipes have the same inner cross-section area....Ch. 13 - Figure Q.13.33 shows a 100 g block of copper ( =...Ch. 13 - Masses A and B rest on very light pistons that...Ch. 13 - Prob. 35MCQCh. 13 - Prob. 36MCQCh. 13 - A large beaker of water is filled to its rim with...Ch. 13 - An object floats in water, with 75% of its volume...Ch. 13 - A syringe is being used to squirt water as shown...Ch. 13 - Water flows through a 4.0-cm-diameter horizontal...Ch. 13 - A 15-m-long garden hose has an inner diameter of...Ch. 13 - Prob. 1PCh. 13 - A standard gold bar stored at Fort Knox, Kentucky,...Ch. 13 - Prob. 3PCh. 13 - Air enclosed in a cylinder has density = 1.4...Ch. 13 - Prob. 5PCh. 13 - Ethyl alcohol has been added to 200 mL of water in...Ch. 13 - The average density of the body of a fish is 1080...Ch. 13 - Prob. 8PCh. 13 - A tall cylinder contains 25 cm of water. Oil is...Ch. 13 - Prob. 10PCh. 13 - A 35-cm-tall, 5.0-cm-diameter cylindrical beaker...Ch. 13 - The gauge pressure at the bottom of a cylinder of...Ch. 13 - A research submarine has a 20-cm-diameter window...Ch. 13 - The highest that George can suck water up a very...Ch. 13 - Prob. 15PCh. 13 - Prob. 16PCh. 13 - Prob. 17PCh. 13 - Glycerin is poured into an open U-shaped tube...Ch. 13 - A U-shaped tube, open to the air on both ends,...Ch. 13 - What is the height of a water barometer at...Ch. 13 - Postural hypotension is the occurrence of low...Ch. 13 - A 6.00-cm-diameter sphere with a mass of 89.3 g is...Ch. 13 - A cargo barge is loaded in a saltwater harbor for...Ch. 13 - A 10 cm 10 cm 10 cm wood block with a density of...Ch. 13 - What is the tension in the string in Figure...Ch. 13 - What is the tension in the string in Figure...Ch. 13 - A 10 cm 10 cm 10 cm block of steel steel = 7900...Ch. 13 - To determine an athletes body fat, she is weighed...Ch. 13 - Styrofoam has a density of 32 kg/m3. What is the...Ch. 13 - Calculate the buoyant force due to the surrounding...Ch. 13 - River Pascal with a volume flow rate of 5.0 105...Ch. 13 - Water flowing through a 2.0-cm-diameter pipe can...Ch. 13 - Prob. 33PCh. 13 - Prob. 34PCh. 13 - What does the top pressure gauge in Figure P.13.35...Ch. 13 - Prob. 36PCh. 13 - Prob. 37PCh. 13 - What pressure difference is required between the...Ch. 13 - Water flows at 0.25 L/s through a 10-m-long garden...Ch. 13 - Prob. 40PCh. 13 - The density of gold is 19,300 kg/m3. 197 g of gold...Ch. 13 - As discussed in Section 13.3, a persons percentage...Ch. 13 - The density of aluminum is 2700 kg/m3. How many...Ch. 13 - A 50-cm-thick layer of oil floats on a...Ch. 13 - An oil layer floats on 85 cm of water in a tank....Ch. 13 - The little Dutch boy saved Holland by sticking his...Ch. 13 - Prob. 47GPCh. 13 - A friend asks you how much pressure is in your car...Ch. 13 - Prob. 49GPCh. 13 - A 6.0-cm-tall cylinder floats in water with its...Ch. 13 - A sphere completely submerged in water is tethered...Ch. 13 - Prob. 52GPCh. 13 - A 5.0 kg rock whose density is 4800 kg/m3 is...Ch. 13 - A flat slab of styrofoam, with a density of 32...Ch. 13 - A 2.0 mL syringe has an inner diameter of 6.0 mm,...Ch. 13 - Prob. 56GPCh. 13 - The leaves of a tree lose water to the atmosphere...Ch. 13 - II A hurricane wind blows across a 6.00 m 5.0 m...Ch. 13 - Prob. 59GPCh. 13 - Prob. 60GPCh. 13 - Air at 20C flows through the tube shown in Figure...Ch. 13 - Air at 20C flows through the tube shown in Figure...Ch. 13 - Water flows at 5.0 L/s through a horizontal pipe...Ch. 13 - Prob. 64GPCh. 13 - Prob. 65GPCh. 13 - Smoking tobacco is bad for your circulatory...Ch. 13 - A stiff, 10-cm-long tube with an inner diameter of...Ch. 13 - Prob. 68MSPPCh. 13 - Because the flow speed in your capillaries is much...Ch. 13 - Suppose that in response to some stimulus a small...Ch. 13 - Prob. 71MSPP
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