A helium balloon can just lift a load of 770 N. The skin of the balloon has a mass of 1.30 kg. What is the volume of the balloon?(the density of air is 1.29 kg/m³ and the density of helium is 0.179 kg/m³)

Q: A helium balloon can just lift a load of 780 N. The skin of the balloon has a mass of 1.90 kg. What…

A: The formula for the buoyant force is,

Q: A moon rock has a mass of 6.96 kg and a volume of 0.0347 m3. What is the rock's density (in kg/m3)?

A: Density of a material is the mass of a unit volume of a material. Mathematically,  Density =…

Q: The viscous force on an oil drop is measured to be equal to 3.0 × 10–13 N when the drop is falling…

A:

Q: n iron block weighs 5 N and has a volume of 200 cm^3. What is most nearly the density of the block?

A: we know density of a material ρ = mass / volume  given weight of block =5 N therefore mass of block…

Q: A blimp is filled with 380 m3 of helium. How big a payload (in kg) can the blimp lift? (The density…

A:

Q: 7. Two liquids of different densities are poured together into a 150-liter tank filling. p1= 750…

A: Solution:- Given  ρ1=750 kg/m3 ρ2=375 kg/m3 ρ=625 kg/m3 Volume = V= 100 L= 0.1 m3 Weight of mixture…

Q: A hollow cylindrical copper pipe is 1.50 m long and has an outside diameter of 3.50 cm and an inside…

A:

Q: The pressure in the atmosphere is not a constant but fluctuates as the weather changes. If the…

A: The pressure difference is 7.3% atm or 0.073 atm. Now 1 atm=1.013×105 Pa=1.013×105 N/m2 Hence the…

Q: A cube of platinum with density 21.4 x 103 kg/m3 is 30.00 cm on each side. What volume of a cube of…

A:

Q: What is the unit of relative density? A) kg/m B) kg/m2 C) kg/m3 D) It has no unit

A: The relative density is defined as the ratio of the density of substance to the density of water at…

Q: In physics, the absolute pressure at a depth in a fluid is calculated using the following equation.…

A: In the given question value of atomospheric pressure and y and h is given then we have to determine…

Q: Three liquids that will not mix are poured into a cylindrical container. The volumes and densities…

A: Given Volume of first liquid V1 = 0.454 L = 4.54×10-4 m3 Density of first liquid ρ1 = 2.52 g/cm3 =…

Q: A fluid is moving through a tube at a speed of 0.64 m/s. If the volume flow rate in the tube is 0.8…

A:

Q: The density of an object is 800 kg/m³. The density of water is 1000 kg/m³. What percent of the…

A: Given, Density of object ρobject=800 Kg/m3 Density of water ρWater=800 Kg/m3   We know the…

Q: A ball with a volume of 0.74 m3 is floating on the surface of a pool of water. (The density of water…

A: Weight of ball is balanced by force of buoyancy.

Q: A 5 mm x 15 mm x 30 mm cube is filled to the brim with a 0.0158-kg fluid. What is the density of the…

A: Density of liquid is given by Density(d)=massvolume here mass=0.0158 kg…

Q: The viscous force on an oil drop is measured to be equal to 3.0 x 10-13 N when the drop is falling…

A: Given,

Q: The volume flow rate in an artery that supplies blood to the brain is 3.20 ✕ 10−6 m3/s. If the…

A: Given Data: The volume flow rate of blood is, Q=3.20×10-6 m3/s The cross-sectional area of the…

Q: Starting with an atmospheric pressure of 101,325 Pa, express the magnitude of the pressure in the…

A: A Pascal (Pa) is the SI-derived unit of pressure, stress, Young’s modulus, and ultimate tensile…

Q: What is the height of a column of liquid in a barometer if the density of the liquid is 0.6460 g/mL…

A:

Q: The units for viscosity in the centimeter-gram-second (CGS) system is poise or g/cm.s. The viscosity…

A: The viscosity is given by,

Q: 5. A solid cylinder (radius = 16.5 cm, height = 13.5 cm) has a mass of 9.81 kg. This cylinder is…

A: The radius of a solid cylinder, The height of the solid cylinder, The mass of the solid cylinder,

Q: What is the minimum area (in square meters) of the top surface an ice slab 0.203 m thick floating on…

A:

Q: A blimp is filled with 450 m3 of helium. How big a payload (in kg) can the blimp lift? (The density…

A:

Q: A submarine has a 1.8 m x 0.75 m rectangular window that can withstand a force of 834 kN. What is…

A: Water pressure with height = ρhg = 1023x h x9.8 Pa Atmospheric pressure = 1.013x105 Pa   Total…

Q: A ball with a volume of 0.61 m is floating on the surface of a pool of water. (The density of water…

A:

Q: A simplified model of how an airplane flies relies on a difference in air pressure between the top…

A: M= 44400kg  A= 81m2

Q: A hydraulic lift raises a 1446 kg automobile when a 677 N force is applied to the smaller piston. If…

A:

Q: A syringe is filled with a fluid of viscosity 2.4 x 10^-3, and the internal radius of the needle is…

A: Write the Poiseuille’s equation. ∆P=8ηLπR4dQdt Here, The Change in pressure "ΔP" Viscosity…

Q: The iron block weighs 4N and has a volume of 182 cm3. What is the density of the block? a. 2010…

A: Weight of the iron block is W = 4 N Volume of the block is V = 182 cm3

Q: A person is diving in a lake in the depth of h = 9.5 m. The density of the water is rho = 1.0 x10^3…

A:

Q: 6. A solid cylinder (radius = 13.5 cm, height = 13.5 cm) has a mass of 6.57 kg. This cylinder is…

A:

Q: Find the total force of water pressure exerted on the glass wall of an aquarium with the following…

A: we first need to find the pressure exerted on the cross section by the water on one side of it.…

Q: The SI unit of pressure is N/m2 or

A: Pressure is defined as the force per unit area .

Q: A very simple way of measuring the depth of a fluid in a gas station's underground gasoline tank is…

A: Given that                   The density of the gasoline is (ρ) = 700kg/m3                    The…

Q: An aquarium was filled with salt water at a depth of 0.5 m. What is the pressure due to the liquid?…

A:

Q: A blimp is filled with 400 m3 of helium. How big a payload (in kg) can the blimp lift? (The density…

A: Volume of blimp=400 m3 Density of air = 1.29kg/m3 Density of helium = 0.18 kg/m3

Q: 5. A solid cylinder (radius = 16.5 cm, height = 13.5 cm) has a mass of 9.81 kg. This cylinder is…

A: Using the Archimedes principle The mass of the solid cylinder is equal to the mass of water and oil.…

Q: A diver who is 10.0 m underwater experiences a pressure of 202 kPa. If the diver’s surface area is…

A: Given data The depth of the diver is given as d = 10 m. The pressure experienced by the diver is…

Q: What is the minimum area (in square meters) of the top surface an ice slab 0.289 m thick floating on…

A: Given, Thickness of ice slab = 0.289 m Density of ice = 917 kg/m3 Density of water = 998 kg/m3

Q: The weight of a car of mass 1.20 × 103 kg is supported equally by the four tires, which are inflated…

A:

Q: If this diver has a mass of 150 kg ( including his diver gear), and a total volume of 0.14 m3   ,…

A: From Archimedes principle the force acting on the diver including gear is:

Q: An auditorium measures 35.0 m x 25.0 m x 5.0 m. The density of air is 1.20 kg/m³. (a) What is the…

A:

Q: A ball with a volume of 0.72 m3 is floating on the surface of a pool of water. (The density of water…

A: When an object is submerged in a fluid, it displaces some fluid and experiences an upward force…