A rock is suspended from a scale reads 20.0 N. A beaker of water (having a density of 1000 kg/m3) is raised up so the rock is totally submerged in the water. The scale now reads 12.5 N. What is the density of the rock? A) 3.00 × 103 kg/m3 B) 1.60 × 103 kg/m3 C) 2.67 × 103 kg/m3 D) 2.50 × 103 kg/m3 E) 2.33 × 103 kg/m3

Q: A block of wood has a mass of 3.49 kg and a density of 640 kg/m3. It is to be loaded with lead (1.13…

A: Mass of wood 3.49kg, density of wood 640 kg/m3 and water with 0.833 of its volume submerged. We have…

Q: An mass is attached to a force spring scale and the reading is observed to be 45.0 N. When the…

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Q: A large tree trunk is floating in the sea. The density of the sea water is 1010 kg/m3 the density of…

A: Solution:-Given thatDensity of sea water (ρs)=1010 kg/m3density of trunk (ρt)=795 kg/m3

Q: We have an object that has some volume. You put it in pure water and it floats! 66% of the object’s…

A: When an object that has some volume floats on the water by getting submerged to a certain…

Q: ArkiVickie best siomai. A block made up of unknown material has an apparent weight of 56[N].…

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Q: A cube with a side of 1 m is made from wood which has a density of 600 kg/m³. The cube floats…

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Q: A block of wood has a mass of 3.94 kg and a density of 671 kg/m3. It is to be loaded with lead (1.13…

A: The mass of the block of wood is mwood = 3.94 kg. The density of the block of wood is ρwood=671…

Q: Someone goes to lift a crate that is resting on the bottom of the pool filled with water (density of…

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Q: A block of wood has a mass of 3.45 kg and a density of 636 kg/m. It is to be loaded with lead (1.13…

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Q: The figure below shows a fluid inside a cubical container of side 1 m. If the pressures inside and…

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Q: A log with a diameter of 30 cm and a length of 1.2 m. It is 800 kg/m3 in weight. When it's submerged…

A: Let it floats 'h' meters deep in saltwater. The density is given as , ρ = 800kg/m3 According to the…

Q: k of metal weighs 41 N in air and 19.3 N in water.   Part (a)  What is the buoyant force on the…

A: Given:- The weight of the block in the air Wair = 41 N  The weight of the block in the water Wwater…

Q: The water level in identical bowls, A and B, is exactly the same. A contains only water; B contains…

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Q: A 6.1 kg solid metal sphere has a density of 2600 kg/m^3. It is hung from a cord and completely…

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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 wooden block of volume 4.55 x 10* m³ floats in water. When a small steel object of mass m = 0.250…

A: Given:-             A volume of a wooden block = 4.55×10-4 m3                           Steel object…

Q: A block of wood has a mass of 3.72 kg and a density of 571 kg/m?. It is to be loaded with lead…

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Q: A raft is constructed of wood having a density of 6.00x102 kg/m3.   Its surface area is 5.00 m2 and…

A: FB=mwatergρwVsubg=VwoodρwoodgρwAhg=Vwoodρwoodgh=VwoodρwoodρwA

Q: A uniform plastic block floats in water with 30.0% of its volume above the surface of the water. The…

A: 30.0% of its volume above the surface of the water 20.0% of its volume above the surface of the…

Q: A block of wood has a mass of 3.68 kg and a density of 637 kg/m3. It is to be loaded with lead (1.13…

A: Given: Mass of wooden block MB=3.68 kg Density ρBlock=637 kg/m3 Density ρlead=1.13×104 kg/m3 Volume…

Q: Bird bones have air pockets in them to reduce their weight. This also gives them an average density…

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Q: A block of wood has a mass of 3.61 kg and a density of 592 kg/m3. It is to be loaded with lead (1.13…

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Q: A block of wood has a mass of 3.41 kg and a density of 668 kg/m³. It is to be loaded with lead (1.13…

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Q: a) What is the speed of the water in the hose in cm/s? (1 L= 1000 cm3)   cm/s    b) What is the…

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Q: Bird bones have air pockets in them to reduce their weight. This also gives them an average density…

A: Answer :- Weight in air = True weight = 45 g            Apparent weight = 3.6 g…

Q: A cube of wood having an edge dimension of 18.3 cm and a density of 653 kg/m3 floats on water.…

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Q: A block of wood has a mass of 3.50 kg and a density of 642 kg/m³. It is to be loaded with lead (1.13…

A: Given, mass of the wood block, m = 3.50 kg the density of the wood, ρw = 642 kgm3 the density of the…

Q: A block of wood has a mass of 3.70 kg and a density of 668 kg/m3. It is to be loaded with lead (1.13…

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Q: Water has density of 1000 kg /m^3.  The volume of an object is  9m^3 .  If the object is completely…

A: Given- Density of water (ρ) = 1000 kg/m3 Volume of object (v) = 9 m3

Q: A piece of metal has density 270 kg/m3and mass 0.775 kg. The metal is completely submerged in a…

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Q: A block of wood has a mass of 3.67 kg and a density of 656 kg/m³. It is to be loaded with lead (1.13…

A:

Q: ) A crane lifts the 16,000 kg steel hull of a sunken ship out of the water. Determine: i. the…

A: solution as

Q: d is attached to (a) the top of the wood and (b) the bottom of

A: Given: mass of wood , mwood=3.5 Kg wood float in water of 0.874 of its volume submerged Density of…

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…

A:

Q: A block of wood has a mass of 3.60 kg and a density of 571 kg/m³. It is to be loaded with lead (1.13…

A:

Q: A block of wood has a mass of 3.88 kg and a density of 647 kg/m³. It is to be loaded with lead (1.13…

A: Density of water=1000kg/m^3

Q: A block of wood has a mass of 3.68 kg and a density of 587 kg/m. It is to be loaded with lead (1.13…

A: According to Archemede's principle  Buoyant force = weight of liquid displaced

Q: A partially filled bucket of water sits on a scale and it’s weight is 3.8 N. A piece of metal is…

A: The buoyant force here is FB=6.8N-3.8N=3.0N

Q: A block of wood with a density of 0.6 g/cm^3 floats in an unknown liquid in such a way that 75.0% of…

A: Solution: Given: 1 gcm3= 1000  kgm3 ρ1 = density of block of wood = 0.6 gcm3 75% of the volume of…

Q: A block of wood has a mass of 3.67 kg and a density of 656 kg/m³. It is to be loaded with lead (1.13…

A: