A balloon inflated with helium gas (density = 0.2 kg/m3) has a volume of 5.5 × 10–3 m3. If the density of air is 1.3 kg/m3, what is the buoyant force exerted on the balloon?

Q: Calculate the buoyant force due to the surrounding air on a man weighing 700 N . Assume his average…

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Q: A cube of wood with density 6.0 x 10°kg/m³ is 10 cm long on each side. What is the density of a…

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Q: An ice cube is placed in a glass of water. The cube is 2.0 cm on each side and has a density of…

A: The solution can be given as follows:-

Q: (a) A submersible vehicle is in a lake at a depth of 24.6 m. What is the absolute pressure (in Pa)…

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Q: What is the pressure on a swimmer 10 m below the surface of a lake (density of water is 1000 kg/m3)…

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Q: To verify her suspicion that a rock specimen is hollow, a geologist weighs the specimen in air and…

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Q: A platinum sphere with radius 0.0107 m is totally immersed in mercury. Find the weight of the…

A: Density of an object is given by ρ = mV Volume of a sphere of radius r is given by V = 43π r3 So, m…

Q: A small piece of cork-like material weighs 0.239 N in air. When held submerged underwater, the…

A: Given : Weight in air, W = mg = 0.239 N Buoyancy force, B = 0.706 N  Density of water = 1 kg/m3

Q: hot air balloon along with its cargo has a mass of 4.0 * 10^5 kg and it holds 7.0 * 10^5 m^3 of hot…

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Q: A rock, which weighs 1400 N in air, has an apparent weight of 90O N when submerged in fresh water…

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Q: Sharks are generally negatively buoyant; the upward buoyant force is less than the weight force.…

A: Write the expression for net force on the fin in seawater

Q: A concrete block with dimensions 0.1 m × 0.2 m × 0.3 m is suspended from a wire and is completely…

A: Dimension of the block is 0.1 m×0.2 m×0.3 m Volume of the block is V = 0.1×0.2×0.3 m3=0.006 m3…

Q: The weight of a rectangular block of low-density material is 15.5 N. With a thin string, the center…

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Q: A small piece of cork weighs 0.293 N in air. When held submerged underwater, the cork experiences a…

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Q: What is the Buoyancy force exerted on a 130kg iron anchor when it is immersed in seawater? The…

A: The given values are, m=130 kgρiron=7.8×103 kg/m3ρseawater=1.03×103 kg/m3

Q: A hollow, plastic sphere is held below the surface of a freshwater lake by a cord anchored to the…

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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…

A: Introduction: Pressure is the force per unit area. Since the pressure is scalar quantity, it…

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

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Q: A plastic ball floats in gasoline. The weight of the ball is 40.0 N, and its volume is 10.0 L (that…

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Q: A huge block of wood is floating on seawater, with 60 percent of its total volume completely…

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Q: The human lungs can function satisfactorily up to a limit where the pressure difference between the…

A: The density of salt water, ρ= 1045 kg/m3 Gauge pressure: P2-P1=P022    ....Here, P0=1.013×105…

Q: A partially evacuated vertical cylindrical container is covered by a circular lid that makes an…

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Q: A hot-air balloon has a volume of 2200 m3.   The balloon fabric (the envelope) weighs 900 N. The…

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Q: (a) A submersible vehicle is in a lake at a depth of 22.2 m. What is the absolute pressure (in Pa)…

A: (a) depth, h = 22.2 m density of water, d = 1000kg/m3  Po = 101.3 kPa The pressure at the depth is…

Q: (a) A submersible vehicle is in a lake at a depth of 26.6 m. What is the absolute pressure (in Pa)…

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Q: Suppose a fish has an average density of 1030 kg/m^3, compared to the density of the surrounding…

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