An airtight box, having a lid of area 65 cm2, is partially evacuated. Atmospheric pressure is 101.3 kPa. A force of 320 N is required to pull the lid off the box. Find the pressure in the box.

Q: A refinery uses a Venturi tube like the one shown in the figure to monitor the flow of gasoline (? =…

A: density of fluid = ρ= 7 x 102 kg/m3 inlet radius = r1= 2.5 cm outlet radius = r2= 1.4 cm pressure…

Q: To suck lemonade of density 1010 kg/m³ up a straw to a maximum height of 3.88 cm, what minimum gauge…

A: Given, Density of lemonade, ρ = 1010 kg/m3 Maximum height , h = 3.88 cm = 0.0388 m Now, Plung+ρgh =…

Q: A research submarine has a 40-cm-diameter window that is 8.0 cm thick. The manufacturer says the…

A: diameter of window = 40 cm thickness = 8 cm Maximum force = 1.2×106 N Pressure inside the submarine…

Q: A water pipe having a 2.20 cm inside diameter carries water into the basement of a house at a speed…

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Q: A tank holds a large amount of water. A pipe is connected to the tank at the upper end and is open…

A: Bernoulli's equation is P+12ρv2+ρgh=constant…

Q: ir exerts over 1 square centimeter of your skin? Why do you think you do not feel the

A: GivenThe pressure of atmosphere, Patm=1.013×105 Pa or N/m2Area, A=1 cm2=1×10-4 m2

Q: A filling station uses a Venturi tube to measure the flow rate of gasoline. The density of the…

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Q: Seawater is stored under pressure in a tank of horizontal cross-sectional area 4.5 m^2. The pressure…

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Q: ne blood pressure is in a patient's vein is 2650 Pa. A needle 2.5cm long with an internal diameter…

A: Given:-  The blood pressure is in a patient's vein is P2= 2650 Pa. A needle L=  2.5cm long with an…

Q: The average density of the material in intergalactic space is approximately 2.5 × 10–27 kg/m3.  What…

A: m =p*v m =(2.5*10-27kg/m3)(8*1024m3) m = 2*10-2kg m = plead*Vlead 2*10-2kg = (11300kg/m3) Vlead =…

Q: The manometer is used to measure the pressure in the pipe and is connected to the pressurized tank…

A: Given: The pressure in the tank is 80 kPa. Introduction: The total mechanical energy of the moving…

Q: During forced exhalation, such as when blowing up a balloon, the diaphragm and chest muscles create…

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Q: Your brother steps on your toe inevitably, exerting a force of 500 N on an area of 1.0 cm2. What is…

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Q: The gauge pressure at the bottom of a cylinder of liquid is 0.60 atm. The liquid is poured into…

A: Given data The gauge pressure at the bottom of the cylinder is Pg = 0.6 atm. The relation between…

Q: A dolphin is in ocean at a depth of 29.1 m. What is the absolute  pressure (in Pa) at this depth?…

A: Given data The depth is h=29.1 m The density of water is ρ=1.00×103 kg/m3 The air pressure is…

Q: A balloon is released from a tall building. The total mass of the balloon, including the enclosed…

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Q: As the depth in a fluid increases, the pressure increases due to the larger weight of the column of…

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Q: An electrical short cuts off all power to a submersible diving vehicle when it is a distance of 28 m…

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Q: A submersible vehicle is in a lake at a depth of 29.6 m. What is the absolute pressure (in Pa) at…

A: Given:The depth of the lake is 29.6 m. The density of the water is 1x103 kg/m3. The atmospheric…

Q: A container is filled to a depth of 20.0 cm with water. On top of the water floats a 32.0-cm-thick…

A: Absolute pressure at the bottom = pressure due to water + pressure due to oil + atmospheric pressure…

Q: A scuba diver is in fresh water has an air tank with a volume of 0.0100 m3. The air in the tank is…

A: Initial volume (Vi) = 0.01 m3 Final volume = V2Initial pressure (P1) = 107 Pascals density of water…

Q: You come across an open container that is filled with two liquids. Since the two liquids have…

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Q: a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 26.6 m. Assume…

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Q: A person is diving in a lake in the depth of h = 15 m. The density of the water is ρ = 1.0 x103…

A:

Q: A storage tank contains water to a height of 25m. The air above the water  inside the tank has a…

A: Given , Height of tank H=25 m gauge pressure P=4.5 Atm

Q: An airtight box, having a lid of area 80.0 cm?, is partially evacuated. Atmospheric pressure is 1.01…

A:

Q: A person is diving in a lake in the depth of h = 10.5 m. The density of the water is ρ = 1.0 x103…

A: The objective of the question is to calculate the absolute pressure at a certain depth in a lake and…

Q: A submersible is sent to explore the bottom of a lake that is 570 m deep. The density of water is…

A: Given  depth (h) = 570 m  density of water (ρ) = 1000 kg/m3  Atmospheric pressure (Po) = 101.3 kPa…

Q: A mosquito is sinking in a pool of sap with density 1040 kg/m3. The mosquito will be crushed when…

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Q: An open tank contains 78 m of sea water, 145 m of acetone, and 16 m of mercury. The specific…

A: We have seen data and can be obtained following data- Sea water height=VolumeArea=7823=3.3913 m…

Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.