A paperweight, when weighed in air, has a weight of W = 10.4 N. When completely immersed in water, however, it has a weight of Win water = 7.56 N. Find the volume of the paperweight.

Q: For your science exhibit, you want to make a block of wood float at the interface between a layer of…

A: Here weight of the wood is acting downward, and buoyancy due towater and oil on the wood is acting…

Q: A 5.0 kg rock whose density is 4800 kg/m3 is suspended by a string such that half of the rock’s…

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Q: A hollow plastic sphere whose volume is 0.350 cm^3 was put below the surface of a fresh-water lake…

A: Given: Volume of hollow plastic sphere below the surface of a fresh-water lake, V= 0.350 m3 (not…

Q: Suppose that a solid cube of some material floats motionless on the surface of an oil puddle at a…

A: According to Archimedes principle Buoyant force = weight of liquid displaced

Q: A rock has mass 1.80 kg. When the rock is sus- pended from the lower end of a string and totally…

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Q: The given figure shows a metal ball weighing T = W = 9.5 × 10−2 N in air. When the ball is immersed…

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

A: Given Density of the solid part of the specimen = 6.44 × 103 kg/m3 Density of water = 1×103 kg/m3…

Q: Suppose that a solid cube of some material floats motionless on the surface of an oil puddle at a…

A: Buoyant force = immersed volume * density of liquid * g Weight = mg = Volume of object * density of…

Q: Attempt 3 A platinum sphere with radius 0.0115 m is totally immersed in mercury. Find the weight of…

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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: An object with density of 418kg/m³ floats on a fluid. If only a third of the volume of the object is…

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Q: A 50 cm column of glycerin (D = 1.26 g/mL) on one arm of a u-tube manometer is found to balance a 65…

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Q: A cube of wood having an edge dimension of 21.9 cm and a density of 651 kg/m floats on water. (a)…

A: edge length of cube = S = 21.9 cm = 0.219 m density of wood = 651 kg/m3 density of fluid =1000 kg/m3

Q: A hollow plastic sphere whose volume is 0.350 cm^3 was put below the surface of a fresh-water lake…

A: According to Archimedes principle Buoyant force = weight of liquid displaced

Q: A metal cube of 5 cm side and relative density 9 is suspended by a thread so as to be completely…

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Q: A certain man has a mass of 84.0 kg and a density of 994 kg/m3 (excluding the air in his lungs). (a)…

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Q: If your body has a density of 995 kg/m, what fraction of you will be submerged when floating gently…

A: density of object = 955 kg/m3

Q: What fraction of a piece of lead will be submerged when it floats in mercury?

A: To find: The fraction of the lead submerged in water Known values: The density of the lead ρpb= 11.3…

Q: A block of wood has a mass of 3.61 kg and a density of 528 kg/m³. It is to be loaded with lead (1.13…

A: Given:                mwood = 3.61 kg                ρwood= 528 kg/m3                mlead= 1.13×104…

Q: A crown that is supposed to be pure gold has a mass of 850 g. Its apparent mass when immersed in…

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Q: A uniform pencil floats with 8 cm of its length immersed in water. What length is immersed when it…

A: Let lw denote the length of the pencil immersed in water. Let A be the cross-sectional area of the…

Q: A 2.8 kg rock whose density is 4800 kg/m^3 is suspended by a string such that half of the rock's…

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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: Commonly used values are ?? =900 kg/m3 and ?? =1100 kg/m3. Consider a subject submerged in water at…

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Q: A certain man has a mass of 78.0 kg and a density of 996 kg/m3 (excluding the air in his lungs).…

A: (a)The equation for the density of the man is given by

Q: Three blocks of equal volume are completely submerged into water. The blocks made of different…

A: Given data The density of the aluminium is ρaluminum = 2700 kg/m3 The density of the iron is ρiron =…

Q: A block of wood has a mass of 3.86 kg and a density of 590 kg/m³. It is to be loaded with lead (1.13…

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Q: The right side of the manometer containing mercury is open to the atmosphere while the left limb is…

A: Given that: ρliquid=0.9×1000 =900 kg/m3   [S.G.=0.9]ρmercury=13600 kg/m3 (known value)hm= 20 cmh'=12…

Q: Styrofoam has a density of 32 kg/m3. What is the maximum mass that can hang without sinking from a…

A: Given: The density of Styrofoam is ρs=32 kg/m3. The diameter of sphere is d=50 cm. The schematic…

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

A: The volume of the solid part is given by, Vsolid=Mρsolid Here, M is the mass and ρsolid is the…

Q: When an object of mass 16.5 kg is submerged in water, a scale reads only 13.4 kg. Find the volume of…

A: Given data:  Mass of object (m) = 16.5 kg Apparent maas of object when submerged in water (mapp ) =…

Q: A hollow sphere of inner radius 8.54 cm and outer radius 9.93 cm floats half-submerged in a liquid…

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Q: A ball has a diameter of 3.75 cm and average density of 0.0842 g/cm. What force is required to hold…

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Q: A plastic sphere floats in water with 35.0% of its volume submerged. This same sphere floats in…

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Q: A 7.8 kg solid sphere, made of a metal whose density is 2,500 kg/m3 , is suspended by a cord. When…

A: Tension in the cord equals the apparent weight of solid sphere.…

Q: Determine the buoyant force of a copper cube (Pcopper = 8.96 kg/m³) of side 0.15 cm submerged into…

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Q: When an object of mass 14.5 kg is submerged in water, a scale reads only 13.4 kg. Find the volume of…

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Q: A sphere of density P, = 600 is held by a cable onto the bottom of a pool. The m pool is filled with…

A: density of sphere (d) = 600 kgm3Volume of sphere = 2 m3Tension in cable (T) = 4000 N (acting…

Q: When an object of mass 14.5 kg is submerged in water, a scale reads only 13.4 kg. Find the volume of…

A: According to the Archimedes' principle, when a body is immersed in a liquid, there is a loss in the…

Q: A wooden block with a density of 688 kg/m³ is tied with a string to the bottom of a beaker filled…

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Q: A body has a weight of 160 N when weighed in air and a weight of 120N when totally immersed in a…

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Q: The viewing portion of the rectangular glass window in a fish tank is 63 inches wide and runs from…

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Q: The apparent weight of an object is 40.66 N before it was immersed in water. After submerging the…

A: