Crew members attempt to escape from a damaged submarine 80 m below the surface. What force must be applied to a pop-out hatch, which is 1.05 m by 0.55 m, to push it out at that depth? Assume that the density of the ocean water is 1025 kg/m3?

Q: What pressure (N/m?2?) is exerted on the bottom of a 0.541 m wide by 0.834 m long gas tank that ca…

A: This problem is solved by combining pressure, the weight of the liquid, and the area of the…

Q: A wooden ball with a weight of 18.0 N hangs from a string tied to a spring scale. When the ball is…

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Q: A solid block is attached to a spring scale. When the block is suspended in air, the scale reads…

A: Weight of block in air = 20 N Weight of block in water = 17.3 N

Q: A flat-bottomed aluminum fishing boat has a mass of 60 kg and an area of 4.0 m2. When it is launched…

A: The mass of a boat is, m=60 kg The area of a boat is, A=4 m2 The density of water is, ρ=1000 kg/m3

Q: You feel additional pressure on your ears when you swim to the bottom of a swimming pool full of…

A: Density of water = 1000 kg/m3 Density of oil = 900 kg/m3 Let the depth of pool = h

Q: Styrofoam has a density of 300kg/m3. What is the maximum mass that can hang without sinking from a…

A: Given,  Density = 300kg/m^3 Diameter = 60cm We need to calculate value of,  maximum mass that can…

Q: Three children, each of weight 395 N, make a log raft by lashing together logs of diameter 0.42 m…

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Q: A 120-kg ancient statue lies at the bottom of the sea. Its volume is (6 x 10^6) mm^3. How much force…

A: Given data:  Mass of ancient statue (m) = 120 kg Volume (V) = 6 × 106 mm3 Density of sea water (ρ) =…

Q: A block of iron quickly sinks in water, but ships constructed of iron float. A solid cube of iron…

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Q: Crew members attempt to escape from a damaged submarine 71.7 m below the surface.What force must be…

A: Given that,Depth in water=71.7 mDensity of water=1024 kg/m3Surface area, A=1.57m×0.786m=1.234 m2The…

Q: A 10 kg loggerhead sea turtle has a lung volume of 1 L and a body volume of 9.5 L (lungs empty) or…

A: Mass of water body is Density of water is Lung volume is Body volume with empty lungs is Body volume…

Q: Crew members attempt to escape from a damaged submarine 71.7 m below the surface.What force must be…

A: The needed force will be 9.06*10^5 newton.

Q: At what depth of the ocean would the liquid pressure be equal to 3.0 atm? The density of seawater is…

A: Given, Pressure at the depth of the ocean, P = 3.0 atm density of sea water, ρ = 1025 kgm3

Q: A man is passing barrels of water to another person from a height of 5 meters. The barrel is…

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Q: An object has a volume of 3 × 104 cm³ lies at the bottom of the sea. If the force required to lift…

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

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Q: A metal cube with volume 82 x 10-3 m3 is completely submerged under water and held in equilibrium…

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Q: What is the pressure at a depth of 110 m in the ocean? The density of seawater is 1. 03 x 10 kg/m.…

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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: A small ferry boat is 4.00 m wide and 6.00 m long. When a loaded car pulls onto it, the boat sinks…

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Q: A raft made of wood has dimensions of 6.00 ft by 4.00 ft by 0.300 ft and a weight density of 45.0…

A: Given data The dimension of the raft is V = 6 x 4 x 0.3 ft3 = 7.2 ft3 The weighted density of the…

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

A: CONCEPT: Archimedes principle states that , apparent mass loss is equal to the mass of water…

Q: What is the Buoyancy force exerted on a 180kg iron anchor when it is immersed in seawater? The…

A: The volume of the iron anchor is given by, Viron=mironρiron Here, Viron is the volume of the iron…

Q: A rock, which weighs 1400 N in air, has an apparent weight of 900 N when submerged in fresh water…

A: Answer Given  Weight of rock in air Wa = 1400 N Weight of rock when submerged in fresh water Wfw =…

Q: A boat displaces 7.46 m³ of water when it floats on the surface of the lake. What is the magnitude…

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Q: small submarine of volume 1700 m3 is fully submerged and suspended in Mediterranean seawater with a…

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Q: Seawolf class nuclear submarines have a crush depth of approximately d = 715 m. The density of…

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

A:

Q: What is the Buoyancy force exerted on a 110kg iron anchor when it is immersed in seawater? The…

A:

Q: A block is attached to a spring scale. When the block is suspended in air, the scale reads 270 N;…

A: Write the given values with the suitable variables. W=270 NF=150 N Here, W is the reading of the…

Q: When a block of ebony is placed in ethanol, what percentage of its volume is submerged? The density…

A: Density of ethanol (liquid) is Density of object is between  and Find:The percentage of object's…

Q: A wooden cube with edges of length 12.0 cm is floating so that 39.0% of it is under water. How much…

A: The objective of the question is to find the mass of the wooden block that is floating in water with…

Q: You feel additional pressure on your ears when you swim to the bottom of a swimming pool full of…

A:

Q: A man is standing on a raft, which is a large block of wood with dimensions 1.35 m by 1.35 m by…

A: (a) Buoyant force is the weight of the water displaced…

Q: A legendary Dutch boy saved Holland by plugging a hole of diameter 1.20 cm in a dike with his…

A: Given: A legendary Dutch boy saved Holland by plugging a hole of diameter 1.20 cm The hole was 2.00…

Q: A tall, open rectangular container is filled with a liquid of density 460 kg/m3. The vertical…

A: Given that, atmospheric pressure ( P0)=1.013x10⁵ Pa Side of square base (a)= 0.06 m liquid  density…

Q: A boat develops a leak and, after its passengers are rescued, eventually sinks to the bottom of a…

A: It is known that the buoyant force is responsible for the floating and sinking of an object. An…

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: 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 fresh-water lake by a cord anchored at the…

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Q: A great lakes ore freighter has a mass of 31000 tons. It is designed to safely carry 21000 tons of…

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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: 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) What volume must a (450 kg) cube have in order to float in water? b) Suppose now that the cube…

A: Given     Mass of cube =450 kg     And the medium is water

Q: What pressure (N/m2) is exerted on the bottom of a 0.621 m wide by 0.934 m long gas tank that can…

A: Given- width of bottom of tank , b =0.621 m length of bottom of tank , l = 0.934 m mass of gasoline…

Q: 1. (a) Calculate the absolute pressure at the bottom of a fresh water lake at a depth of 27.5 m.…

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