Physics of Everyday Phenomena
9th Edition
ISBN: 9781259894008
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 9, Problem 10E
A 0.52-kg block of wood is floating in water. What is the magnitude of the buoyant force acting on the block?
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Physics of Everyday Phenomena
Ch. 9 - Is it possible for a 100-lb woman to exert a...Ch. 9 - If we measure force in pounds (lb) and distance in...Ch. 9 - The same force is applied to two cylinders that...Ch. 9 - A penny and a quarter are embedded in the concrete...Ch. 9 - Prob. 5CQCh. 9 - The fluid in a hydraulic system pushes against two...Ch. 9 - If the output piston in a hydraulic pump exerts a...Ch. 9 - When a mercury barometer is used to measure...Ch. 9 - Could we use water instead of mercury to make a...Ch. 9 - Prob. 10CQ
Ch. 9 - Could we use water instead of mercury to make a...Ch. 9 - If you climbed a mountain carrying a mercury...Ch. 9 - If you filled an airtight balloon at the top of a...Ch. 9 - When you go over a mountain pass in an automobile,...Ch. 9 - The plunger of a sealed hypodermic syringe...Ch. 9 - Helium is sealed inside a balloon impermeable to...Ch. 9 - Is it possible for a solid metal ball to float in...Ch. 9 - A rectangular metal block is suspended by a string...Ch. 9 - Is it possible for a boat made of concrete to...Ch. 9 - A block of wood is floating in a pool of water. a....Ch. 9 - A large bird lands on a rowboat that is floating...Ch. 9 - Is it possible that some objects might float in...Ch. 9 - A rowboat is floating in a swimming pool when the...Ch. 9 - If an object has a smaller density than water,...Ch. 9 - A steady stream of water flowing in a narrow pipe...Ch. 9 - Why does the stream of water flowing from a faucet...Ch. 9 - Does a stream of liquid with a high viscosity flow...Ch. 9 - If the speed of flow in a stream decreases, is the...Ch. 9 - Why is the flow of smoke from a cigarette often...Ch. 9 - If you blow between two limp pieces of paper held...Ch. 9 - A wind gust blows sideways across an...Ch. 9 - A hair dryer can be used to create a stream of...Ch. 9 - Prob. 33CQCh. 9 - Does the path of a curveball really curve? (See...Ch. 9 - A force of 60 N pushes down on the movable piston...Ch. 9 - A 150-lb woman puts all of her weight on one heel...Ch. 9 - A 270-lb man supports all of his weight on a...Ch. 9 - Prob. 4ECh. 9 - In a hydraulic system, a force of 540 N is exerted...Ch. 9 - The load-bearing piston in a certain hydraulic...Ch. 9 - A column of water in a vertical pipe has a...Ch. 9 - With the temperature held constant, the pressure...Ch. 9 - With the temperature held constant, the piston of...Ch. 9 - A 0.52-kg block of wood is floating in water. What...Ch. 9 - A block of wood of uniform density floats so that...Ch. 9 - A certain boat displaces a volume of 8.3 m3 of...Ch. 9 - A rock with a volume of 0.3 m3 is fully submerged...Ch. 9 - A stream moving with a speed of 3.5 m/s reaches a...Ch. 9 - Water emerges from a faucet at a speed of 1.5 m/s....Ch. 9 - An airplane wing with an average cross-sectional...Ch. 9 - Suppose the input piston of a hydraulic jack has a...Ch. 9 - Prob. 2SPCh. 9 - A copper block with a density of 8960 kg/m3 is...Ch. 9 - A flat-bottomed wooden box is 2.8 m long and 1.3 m...Ch. 9 - A pipe with a circular cross-section has a...
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- A table-tennis ball has a diameter of 3.80 cm and average density of 0.084 0 g/cm3. What force is required to hold it completely submerged under water?arrow_forward. A juniper-wood plank measuring 0.25 ft by 1 ft by 16 ft is totally submerged in water, (a) What is its weight? (b) What is the buoyant force acting on it? (c) What is the size and the direction of the net force on it?arrow_forwardWhat fraction of an iceberg floating in the ocean is above sea level? Assume the density of the iceberg is 917 kg/m3.arrow_forward
- Oil having a density of 930 kg/m3 floats on water. A rectangular block of wood 4.00 cm high and with a density of 960 kg/m3 floats partly in the oil and partly in the water. The oil completely covers the block. How far below the interface between the two liquids is the bottom of the block?arrow_forwardRank the buoyant forces exerted on the following five objects of equal volume from the largest to the smallest. Assume the objects have been dropped into a swimming pool and allowed to come to mechanical equilibrium. If any buoyant forces are equal, state that in your ranking. (a) a block of solid oak (b) an aluminum block (c) a beach ball made of thin plastic and inflated with air (d) an iron block (e) a thin-walled, sealed bottle of waterarrow_forward. A box-shaped piece of concrete measures 3 ft by 2 ft by 0.5 ft (a) What is its weight? (b) Find the buoyant force that acts on it when it is submerged in water. (c) What is the net force on the concrete piece when it is underwater?arrow_forward
- A container is filled to a depth of 20.0 cm with water. On top of the water floats a 30.0-cm-thick layer of oil with specific gravity 0.700. What is the absolute pressure at the bottom of the container?arrow_forwardA 1.00-kg beaker containing 2.00 kg of oil (density = 916.0 kg/m3) rests on a scale. A 2.00-kg block of iron suspended from a spring scale is completely submerged in the oil as shown in Figure P15.63. Determine the equilibrium readings of both scales. Figure P15.63 Problems 63 and 64.arrow_forwardA wooden block floats in water, and a steel object is attached to the bottom of the block by a string as in Figure OQ15.1. If the block remains floating, which of the following statements are valid? (Choose all correct statements.) (a) The buoyant force on the steel object is equal to its weight. (b) The buoyant force on the block is equal to its weight. (c) The tension in the string is equal to the weight of the steel object. (d) The tension in the string is less than the weight of the steel object. (e) The buoyant force on the block is equal to the volume of water it displaces.arrow_forward
- What fraction of ice is submerged when it floats in freshwater, given the density of water 0°C is very close to 1000 kg/m3?arrow_forwardA beaker of mass mb containing oil of mass mo and density o rests on a scale. A block of iron of mass mFe suspended from a spring scale is completely submerged in the oil as shown in Figure P15.63. Determine the equilibrium readings of both scales. Figure P15.63 Problems 63 and 64.arrow_forwardThe dolphin tank at an amusement park is rectangular in shape with a length of 40.0 m, a width of 15.0 m, and a depth of 7.50 m. The tank is filled to the brim to provide maximum splash during dolphin shows. What is the total amount of force exerted by the water on a. the bottom of the tank, b. the longer wall of the tank, and c. the shorter wall of the tank?arrow_forward
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