Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 26.2, Problem 3cTH
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Whether or not, statement by student 3 is correct.
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As shown. Now A, B, and C have the same density, but still have the masses given in the figure. Rank in order, from largest to smallest, the sizes of the buoyant forces on A, B, and C. Explain.
A cube of wood with density of 0.780g/cm3 is 10.0cm3 on each side. When the cube is placed in sea water, what buoyant force acts on the wood? Show your solutions.
A tank 14.0m deep is filled with water. The top of the tank is open to the air. What is the absolute pressure at the bottom of the tank? What is the gauge pressure?
Question: Once again, using our bicycle pump (same diameter) from question #9, imagine that the fluid in the pump is now an incompressible hydraulic oil instead of air and you managed to apply a Force of 600N to the pump handle. Using Pascal’s Principle, if the diameter of the larger piston equals 1.10 meters, how much weight could the large diameter piston support in units of Newtons?
Question #9 ANSWER: The compressed air in the pump now has a pressure of 69503.125 N/m^2 Pascals.
Chapter 26 Solutions
Tutorials in Introductory Physics
Ch. 26.1 - Prob. 1aTHCh. 26.1 - 1. A U-tube filled with water is closed on one...Ch. 26.1 - 1. A U-tube filled with water is closed on one...Ch. 26.1 - 1. A U-tube filled with water is closed on one...Ch. 26.1 - 1. A U-tube filled with water is closed on one...Ch. 26.1 - A W-shaped piece of glassware is partially filled...Ch. 26.1 - Prob. 3aTHCh. 26.1 - A U-tube is partly filled with water. Oil is then...Ch. 26.1 - Prob. 3cTHCh. 26.2 - 1. Three objects are at rest in three beakers of...
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- What is the pressure, P, in the closed-tube manometer below? Assume static equilibrium and that the density of water is 1,000 kg/m3 (See the diagram below.)arrow_forwardTwo identical blocks of ice are static, floating in the water as shown in the following figure: Regarding the situation described and the figure, we can affirm that: Answers: a) Block A displaces a greater volume of water because the face of its submerged end is deeper. b) Block A displaces a greater volume of water because the pressure is greater at the face of its submerged end. c) both blocks displace the same amount of water because they have the same mass. d) Block B displaces a greater volume of water because the face of its submerged end has a greater area.arrow_forwardIn liquid A, a body floats with 9/10th of its volume immersed, while in liquid B it floats with 3/5th of its volume immersed. Compare the densities of the liquids.arrow_forward
- i need help answering these 2 questions An object with a density of 1.2 kg/liters and a mass of 23.2 kg is fully submerged in seawater (\rhoρ = 1029 kg/m^33). Calculate the net-force acting on the object (i.e. the sum of the buoyant force pointing up and the gravitational force pointing down). Assume that a positive net-force means the force points up and thus the object is positively buoyant. Please enter a numerical answer below. Accepted formats are numbers or "e" based scientific notation e.g. 0.23, -2, 1e6, 5.23e-8 ------N A mercury barometer is an instrument in which the weight of a column of mercury in a glass tube with a sealed top is balanced against that of the atmosphere pressing on an exposed cistern of mercury at the base of the mercury column. The height of the column varies with atmospheric pressure. What is the height of the mercury column if you are on top of a mountain where the pressure of the atmosphere is 0.583 atm? The density of mercury is 13.6…arrow_forwardAt 20 ° C, the surface tension of water is 0.073 N/m. A soap film is holding up the entire weight of a horizontal slide wire, as shown in the figure below. 2yl Part A If the wire has a length of 2.2 cm and a diameter of 0.10 cm , what is its density? Express your answer in kilograms per meter cubed. ? kg/m? Submit Request Answerarrow_forwardIn (Figure 1), how much force does the fluid exert on the end of the cylinder at A? How much force does the fluid exert on the end of the cylinder at B?arrow_forward
- Choose the best answer to the following: A rock suspended by a weighing scale weighs 5 N out of water and 3 N when submerged in water. What is the buoyant force on the rock? (a) 3 N. (b) 5 N. (c) 8 N. (d) None of these.arrow_forwardObjects A, B, and C as shown have the same volume. Rank in order, from largest to smallest, the sizes of the buoyant forces FA , FB , and FC on A, B, and C. Explain.arrow_forwardA block of wood floats in a beaker of water. According to Archimedes' principal, the block experiences an upward buoyant force. If the beaker with the water and floating block is weighed, would the measured weight be less than the some of the weights of the individual components? Explain briefly.arrow_forward
- PLEASE EXPLAIN CLEAR AND ELABORATELY. Figure 1: What have you noticed with the Buoyant Force and Object weight? Figure 2: What should be the relationship between the object density and fluid density in order for the object to sink?arrow_forwardSuppose that you are given the choice between two life preservers that are identical in size, the first a light one filled with Styrofoam and the second a very heavy one filled with gravel. If you submerge these life preservers in the water, upon which will the buoyant force be greater? Upon which will the buoyant force be ineffective? Why are your answers different?arrow_forwardSuppose you have a wind speed gauge like the pitot tube shown in the figure below. v=0 By what factor must wind speed increase to quadruple the value of h in the manometer? Is this independent of the moving fluid and the fluid in the manometer? Yes, the wind speed factor is independent of the moving fluid and the fluid in the manometer. O No, the wind speed factor is dependent on the moving fluid and the fluid in the manometer.arrow_forward
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