What is the height of a column of liquid in a barometer if the density of the liquid is 0.6460 g/mL and the local atmospheric pressure is 0.8100 bar? Note that the gravitational force on the liquid column divided by the cross sectional area of the column must be equal to the atmospheric pressure.

Q: A balloon is to be filled with helium (density 0.178 kg/m3 ) while the air outside has density 1.29…

A: Consider the volume of the gas is V The mass of He gas is, w2=dHe×V×g Weight of the load is w3

Q: The pressure at the bottom of a cylindrical container with a cross-sectional area of 48.0 cm² and…

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Q: A cylinder object is suspended in a liquid at a distance of 38cm below the surface. The diameter of…

A: The density ratio is defined as the ratio of the density of the object to the density of the liquid…

Q: The pressure at the bottom of a cylindrical container with a cross-sectional area of 50.5 cm2 and…

A: (a) The given pressure is 115000 Pa and this pressure is the sum of liquid and  atmospheric…

Q: Water pressure increases as depth increases. At the surface of a swimming pool, where pressure is…

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Q: A toy duck is floating on the water. The average density of the duck is ρd = 680 kg/m3, while the…

A: Given data:  The average density of the duck (ρd) = 680 kg/m3 Density of water (ρ) = 1.0×103 kg/m3…

Q: Consider a cylindrical vial that has a diameter of 0.005 m and is filled with liquid mercury that…

A: Diameter of cylinder is Density of liquid is Gauge pressure at the midway of liquid is…

Q: A spring scale calibrated in kilograms is used to determine the density of a rock specimen. The…

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Q: house will be lifted using nothing but helium balloons. Helium has a density of 0.179 kg/m^3, and…

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Q: Consider a 0.15-mm diameter air bubble in a liquid. Determine the pressure difference between the…

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Q: A hot-air balloon has a total weight (balloon, ropes, & basket) of 1.96 x104 N.  The density of the…

A: Given:Total Weight, bolloon,Force,F=1.96 x104 Ndensity of the hot air ,ρhot=0.85 kg/m3density of the…

Q: A manometer tube is filled with two type of liquids. The density of liquid 1 is p1 = 0.8 g.cm-3, and…

A: The expression for the height by equating the pressure,

Q: A spherical balloon has a radius of 6.35 m and is filled with helium. The density of helium is 0.179…

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Q: 0.04 cm liquid column balances the excess pressure inside a soap bubble of radius 6 mm. Evaluate…

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Q: where R is the

A: The terminal velocity is given by the equation                                        v =…

Q: n a mercury barometer at atmospheric pressure, the height of the column of mercury in a glass tube…

A: The height of the column of mercury or any fluid inside the barometer will depend on the density of…

Q: an open tube of length L 1.8 m and cross-sectional area A = 4.6 cm2 is fixed to the top of a…

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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…

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Q: determine the tension in the rope

A: To determine the tension in the rope, we first need to calculate the lift force on the balloon,…

Q: a radius of 7.15 m and is filled with helium. The density of helium is 0.179 kg/m3, and the density…

A: Given:- The aspherical balloon has a radius of r = 7.15 m The density of helium is  ρHe=0.179 kg/m3…

Q: It is known that a cubical object made of cast aluminum 0.213 m on a side contains a hollow cavity…

A: The mass of the object is 22.8 kg. The density of the aluminum is 2.70×103 kg/m3. The length of the…

Q: If the force on the tympanic membrane (eardrum) increases by about 1.5 N above the force from…

A: The amount of force to be increased above the force from the atmospheric pressure, so that the…

Q: Balloons are usually filled with helium gas because the density of helium gas under the same…

A: Concept used: Gravitational force acts in direction opposite to that of buoyant force.

Q: An empty rubber balloon has a mass of 12.5 g. The balloon is filled with helium at a density of…

A: Mass of empty balloon (M)=12.5 g Density of helium (ρHe)=0.181 kg/m3 Radius of the balloon (R)=0.268…

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…

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Q: A manometer containing water with one end connected to a container of gas has a column height…

A: Given data as per question density of water  = 103kg/m3              height   =   0.27m

Q: Blood pressure is normally taken on the upper arm at the level of the heart. Suppose, however, that…

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Q: A manometer containing water with one end connected to a container of gas has a column height…

A: Given data:  Height (h) = 0.31 m Atmospheric pressure (Patm) = 1.01×105 Pa The density of water (ρw)…