A 13.0 kg iron mass rests on the bottom of a pool. (The density of iron...
A 13.0 kg iron mass rests on the bottom of a pool. (The density of iron is 7.86 ✕ 103 kg/m3 and the density of water is 1.00 ✕ 103 kg/m3.) (a) What is the volume of the iron (in m3)? m3 (b) What buoyant force acts on the iron (in N)? (Enter the magnitude.) N (c) Find the iron's weight (in N). (Enter the magnitude.) N (d) What is the normal force acting on the iron (in N)? (Enter the magnitude.) N
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A 13.0 kg iron mass rests on the bottom of a pool. (The density
of iron...
105.00 L 5.00 kg 0.00 N Fluid Oil Water Weight of 5.00 kg wood block =...
105.00 L 5.00 kg 0.00 N Fluid Oil Water Weight of 5.00 kg wood block = 49 N Step 2: Place the wood block in the water and notice that it floats. When the wood block rests on the ground, the downward gravitational force is balanced by an upward normal (“contact") force. When floating, the gravitational force is still there, but the normal (contact") force is not. The force exerted by the fluid is the buoyant force (B). When floating,...
Now Barry and Kachina try a homework problem. A cube of iron and a cube of...
Now Barry and Kachina try a homework problem.
A cube of iron and a cube of wood, each having a volume of
V = 1.45 10-4 m3, are each placed in
a large beaker of water. The density of the wood is
ρwood = 3.73 102 kg/m3 and the density
of the iron is ρiron = 7.86 103 kg/m3. Calculate the
buoyant force on each. (The cube of wood is allowed to float at the
surface.)
Biron
=
N
Bwood...
A piece of aluminum has a density of 2700 kg/m3 and a mass of 0.775 kg....
A piece of aluminum has a density of 2700 kg/m3 and a mass of 0.775 kg. The aluminum is completely submerged in a container of oil with a density of 650 kg/m3 1 A) B) What is the magnitude of the buoyant force acting on the aluminum? What would the apparent weight of the aluminum be if it were instead completely submerged in water? opparent wecighf of
Buoyancy
A cube of copper that weighs 47.5 N is lowered into water. What is the magnitude, in Newtons, of the buoyant force acting on the cube of copper? The mass density of iron is 8960 kg/m3. Water has a density of 1000 kg/m3.
A wooden block with a masss of 0.5 kg is floating freely in water (pwater= 1000...
A wooden block with a masss of 0.5 kg is floating freely in water (pwater= 1000 kg/m3). upon observation is found that 10% of the volume of the block is sticking abover the surface of water. 12. while the block is floating, what forces are acting on the block? a. buoyant force only b.gravity and buoyant force c.gravity and normal force d.gravity, buoyant force and normal force e. buoyant force and normal force 13. what is the magnitude of the...
a) If you dive to the bottom of a deep pool, your eardrums may get uncomfortable...
a) If you dive to the bottom of a deep pool, your eardrums may get uncomfortable or even start to hurt. On the other hand, if you take an airplane flight, you may find your eardrums getting uncomfortable in a different way. Both experiences arise from pressure changes, but how do they differ? Explain in your own words. b) Calculate the change in pressure your eardrums undergo when you dive to the bottom of a 4.85-m- deep swimming pool filled...
An artist creates a solid sculpture made from 7.60 kg of iron. She wishes to create...
An artist creates a solid sculpture made from 7.60 kg of iron. She wishes to create an identical sculpture, using the same mold used to make the original, out of solid lead. What is the mass (in kg) of the lead sculpture? (The density of iron is 7.86 x 103 kg/m3, and that of lead is 11.30 x 103 kg/m3.) 11.36 How is density related to mass and volume? Which quantity is the same for the two sculptures? kg
64.0-kg survivor of a cruise line disaster rests atop a block of Styrofoam insulation, using it...
64.0-kg survivor of a cruise line disaster rests atop a block of Styrofoam insulation, using it as a raft. The Styrofoam has dimensions 2.00 m ✕ 2.00 m ✕ 0.0820 m. The bottom 0.022 m of the raft is submerged. (a) Draw a force diagram of the system consisting of the survivor and raft. (Submit a file with a maximum size of 1 MB.) This answer has not been graded yet. (b) Write Newton's second law for the system in...
A marble with a mass of 0.05 kg and a volume of 2.00 x 10-5 m3...
A marble with a mass of 0.05 kg and a volume of 2.00 x 10-5 m3 is dropped in a glass of alcohol, which sinks to the bottom of the glass. If alcohol has a density of 789 kg/m3, what is the magnitude of the buoyant force in newtons? Round to the nearest hundredth (0.01)
A 61.0-kg survivor of a cruise line disaster rests atop a block of Styrofoam insulation, using...
A 61.0-kg survivor of a cruise line disaster rests atop a block of Styrofoam insulation, using it as a raft. The Styrofoam has dimensions 2.00 m ✕ 2.00 m ✕ 0.0860 m. The bottom 0.026 m of the raft is submerged. (a) Draw a force diagram of the system consisting of the survivor and raft. (Submit a file with a maximum size of 1 MB.) This answer has not been graded yet. (b) Write Newton's second law for the system...
105.00 L 5.00 kg 0.00 N Fluid Oil Water Weight of 5.00 kg wood block = 49 N Step 2: Place the wood block in the water and notice that it floats. When the wood block rests on the ground, the downward gravitational force is balanced by an upward normal (“contact") force. When floating, the gravitational force is still there, but the normal (contact") force is not. The force exerted by the fluid is the buoyant force (B). When floating,...
Now Barry and Kachina try a homework problem.
A cube of iron and a cube of wood, each having a volume of
V = 1.45 10-4 m3, are each placed in
a large beaker of water. The density of the wood is
ρwood = 3.73 102 kg/m3 and the density
of the iron is ρiron = 7.86 103 kg/m3. Calculate the
buoyant force on each. (The cube of wood is allowed to float at the
surface.)
Biron
=
N
Bwood...
A piece of aluminum has a density of 2700 kg/m3 and a mass of 0.775 kg. The aluminum is completely submerged in a container of oil with a density of 650 kg/m3 1 A) B) What is the magnitude of the buoyant force acting on the aluminum? What would the apparent weight of the aluminum be if it were instead completely submerged in water? opparent wecighf of
An artist creates a solid sculpture made from 7.60 kg of iron. She wishes to create an identical sculpture, using the same mold used to make the original, out of solid lead. What is the mass (in kg) of the lead sculpture? (The density of iron is 7.86 x 103 kg/m3, and that of lead is 11.30 x 103 kg/m3.) 11.36 How is density related to mass and volume? Which quantity is the same for the two sculptures? kg
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