College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Concept explainers

Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem …
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Question 9,10,11, and 12

9. Find the mass and weight of the air in your bedroom. Assume an air density of 1.2 Kg/m³. Show ALL your measurements and calculations. 10. An Iron cylinder weights 11 N outside water and only 9 N when totally submerged in it. What is the volume of the cylinder? 11. On which situation is the buoyant force acting on a submarine more, when it is floating at the surface, or when it is totally submerged at the distance of 100 m from the surface. What will be the pressure excepted by the water on the top part of the submarine? (density of H2O = 1025 Kg/m³.). 12. Your friend bought a 0.1 Kg golden ring at the open market. He is not totally sure about the material the ring is made of. So, you lower the ring into a container of water and measure the volume of displaced water. What must be the volume of displaced water if the ring is made of pure gold?
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Transcribed Image Text:9. Find the mass and weight of the air in your bedroom. Assume an air density of 1.2 Kg/m³. Show ALL your measurements and calculations. 10. An Iron cylinder weights 11 N outside water and only 9 N when totally submerged in it. What is the volume of the cylinder? 11. On which situation is the buoyant force acting on a submarine more, when it is floating at the surface, or when it is totally submerged at the distance of 100 m from the surface. What will be the pressure excepted by the water on the top part of the submarine? (density of H2O = 1025 Kg/m³.). 12. Your friend bought a 0.1 Kg golden ring at the open market. He is not totally sure about the material the ring is made of. So, you lower the ring into a container of water and measure the volume of displaced water. What must be the volume of displaced water if the ring is made of pure gold?
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