1. Describe the physical reason for the buoyant force in terms of pressure.
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A: This problem can be solved using the formula for hydrostatic pressure of a fluid.
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A: We the expression for pressure is P=ρghSince density and gravity is constant so P α h
Q: Three vessels of different shapes are filled to the same level with water as shown below. The area…
A: The given problem is from Pressure in Fluids from Fluid Mechanics. Pressure is given by, P = hρg…
Q: 2. A hypodermic syringe contains a medicine with density of 1,000 kg/m?. The barrel of the syringe…
A: Bernoulli's principle states that an increase in the speed of a fluid occurs simultaneously with a…
Q: Explain the concept of pressure the in human body.
A: Pressure is the most important force in the body that permits the flow of fluid in the body.
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A: We are allowed to answer only the first question. For solutions to other questions, please re-post…
Q: 1. which object has the largest and smallest buoyant force? 2. which object has the largest and…
A: Here 3 boxes are giving, A , B, C object B has the greater mass
Q: As a woman walks, her entire weight is momentarily placed on one heel of her high-heeled shoes.…
A: Mass of the woman , m = 56.5 kgHer weight, W = mg = 565 N (taking g = 10 m/sec2)Area of her heel…
Q: 2. To reach an absolute pressure of 3 atm, you must dive down (in water) to depth of approximately…
A: Let's delve deeper into the concept to ensure complete clarity:Understanding Pressure Underwater…
Q: True or False 1. When an object is completely immersed in a fluid, the buoyant force depends on the…
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Q: A helium balloon with volume 2.25 L. a) Calculate the magnitude of the buoyant force on the…
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Q: A 523.5988 kg sphere with radius 0.4 m is submerged in water. What happens to the object? The…
A: Given data: Mass (m) = 523.5988 kg Radius of the sphere (r) = 0.4 m Density of the water (ρw) =…
Q: Pressure is defined in terms of force per unit area. Is pressure an example of a density? Explain.
A: Pressure is defined as the normal external force acting per unit area. It's unit is N/m2, MPa etc.…
Q: 4. A pool float has a mass of 100 g and a volume of 0.1 m3. The float is completely submerged in the…
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Q: 2. Find the buoyant force acting on a completely submerged cylindrical object with a diameter of…
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Q: Water at a pressure of 4.2 atm at street level flows into an office building at a speed of 0.90 m/s…
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Q: A caulking gun has a nozzle opening that is 0.8 cm in diameter and a plunger that is 4.2 cm in…
A: The diameter of the nozzle (dn) = 0.8 cm = 0.008 mThe diameter of the plunger (dp) = 4.2 cm = 0.042…
Q: 3. A block of wood is fully submerged in a container of water as result of a force (Fadd 10-N)…
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Q: 1. A metal bar weighs 3.0 kg. When it is completely submerged in water as it is hanging from a…
A: Given The weight of the metal bar is m=3 kg. The weight of the metal bar when submerged in water is…
Q: 1. A block of iron quickly sinks in water, but ships constructed of iron float. A solid cube of iron…
A: Side of iron cube, a = 1.60 mDensity of iron = 7860 kg/m³Density of water = 1000 kg/m³Consider…
Q: 6) In a section of horizontal pipe with a diameter of 3.00 cm the pressure is 5.21 kPa and water is…
A: For a horizontal pipe with flowing water, the following details are given: For the first Section:…
Q: crate with a total mass of 11560kg has dimensions 2.0m by 1.4m across the bottom and is 1.10m tall.…
A: Given:- m=11560 kg Dimensions of crate 2.0m by 1.4m across the bottom and is 1.10m Find:- a) The…
Q: Problem 4: Nail tips exert tremendous pressures when they are hit by hammers. What force must be…
A: diameter of circular tip (d) = 1mm d = 0.001mradius of…
Q: A rock weighs 16.25 N in the air. When it is hanging from a light string and fully submerged in a…
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Q: Determine the absolute pressure exerted by the seawater in kPa on the body of the diver if he…
A: depth (d) = 117.61 m density of seawater = 1029.433 kgm3Barometric pressure = 100.386 kPa
Q: 5. Given a cylindrical tank containing oil and water. The lower half is filled with water and the…
A: Given: The specific gravity of the oil is 0.85. The density of water is 1000 kg/m3. The total height…
Q: A submarine has a circular top hatch with a 1 m diameter. What is the force exerted on the hatch…
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Q: 3. A rectangular block of volume Vo is placed in a tank of water and sinks to the bottom. Describe…
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Q: 12. A hypodermic syringe contains a medicine with the density of water (figure below). The barrel of…
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Q: Lets say you have a mass of 75 kg, and you put on your moms high heel shoes. You stand on 1 heel…
A: The pressure exerted on an object is defined as the ratio of the net force acting per unit area on…
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- 4. The deepest point known in any of the Earth's oceans is 10.92 km deep. What is the pressure at this depth? Use the density of sea water. Express your answer in pascals and also in atmospheres.the aqueous humor in a person's eye is exerting a force of 0.469 N on the 1.21 cm^2 area of the cornea a) what pressure is this in mm Hg? b) is this value within the normal range for pressures in the eye? Yes or no4. Consider an airplane flying at 5 Km and is cruising at 80 m/s. What is the velocity of flow at a point on the airfoil where the pressure is 4.8 x 10ª N/m².
- 1. What is the ratio of the cross-sectional area at point 1 to the cross-sectional area at point 2? A1/A2= 2. What is the difference in pressure between points 1 and 2? (Find P2 - P1)P2 - P1 = 3. Which direction is the water flowing through the pipe?3. Seawater has a specific gravity of 10.1 x 103 kg/m3. Determine the buoyant force by acting on a spherical buoy that has a diameter of 2.0 m.A force of 120.0 N is applied to 2.000 cm diameter piston, which is in contact with a closed container of water (density of water = 1,000 kg/m3). A second piston, with a diameter of 25.00 cm and at the same height as the first piston, is also in contact with the water. What force does the water pressure exert on the second piston? Multiple Choice 10,450 N. 8,450 N. 18,750 N. 9,150 N. 9,500 N.
- 3. Water at a pressure of 4.30 atm at street level flows into an office building at a speed of 0.75 m/s through a pipe 4.60 cm in diameter. The pipes taper down to 1.70 cm in diameter by the top floor, 22.0 m above. Calculate the water pressure in such a pipe on the top floor. Pa1. Piston A has a cross section of 1,600 cm² while that of B is 950 cm². B is higher that A by 2.6 m. if the intervening passages are filled with a liquid having a specific gravity of 1.24 and a force of 4.4 kN acting on B A) What must be the pressure at piston B B) What must be the pressure at piston A C) What must be the force exerted at piston A