# Physics: Buoyancy

71,349 results

physics-buoyancy
Use Archimedes' law of buoyancy. - to calculate what fraction of the volume of an iceberg floating in the ocean is above the water level. -how many 20kg penguins can be supported by a 1000 cubic meter iceberg that is on the verge of being completely submerged?

IMF-Program Design
Question 5.17 Forecast revenues on income, profits, and capital gains using Buoyancy: 1113 Question 5.18 Forecast revenues on Goods and services using Buoyancy: 756 Question 5.19 Forecast revenues on international taxes using Buoyancy: 1131 Forecast other taxes using Buoyancy...

physics
38. A rock of mass 0.400 kg is released from the surface and sinks in the ocean. As the rock descends it is acted upon by three forces: gravity, buoyancy, and drag. The buoyancy is an upward force equal to half its weight. Drag from the water can be modeled by F = kv, where k...

Physics
can you use principle of density and buoyancy to explain how a cartesian diver works?

PHYSICS
Fish achieve neutral buoyancy (so they don't have to swim constantly to stay in place) via a swim bladder. A swim bladder is a little internal sack that they can inflate/deflate with air, which changes their volume but not their total mass. To see how this allows them to ...

physics
cant find much on how to solve problems like these. any help would be appreciated. A pressure of 6000 Pa is exerted on a wall of 12 square meters area. What force is exerted on the wall? What is the pressure at the bottom of a 50 m tall water tower? What is the pressure at the...

physics
Determine the buoyant force a balloon as a funtion of depth. At what depth does the buoyancy occur

Physics
A cubical object of sides 5 cm is immersed completely in water. What is the force of buoyancy on the object? (Assume g = 10 m/s2)

Physics
A cubical object of sides 5 cm is immersed completely in water. What is the force of buoyancy on the object? (Assume g = 10 m/s2)

physics
a ball of mass of 4kg,of density 4000kg/m3 is completely immersed in water of density 1000kg/m3.find the force of buoyancy.[g=10m/s2]

Physics (Buoyancy)
A Cuboid with lenght as 6m and breadth as 3m, is floating in a lake. A man comes and sits on it and it sinks 1cm, then find the weight of the man. (Take g=10 m/s -2)

Physics (cone in water) buoyancy
h ttps ://s.yimg . com /hd/ answers /i /23e5f0847 ba74d75b223556433442f6f_A.jpeg?a=answers&mr= 0&x=1442542068&s =0f4a516a 3f24689d44f 28091e846bb0d link to see part a answer and an image of what is problem is. A cone of density p_0 (rho) and total height l floats in a liquid ...

physics
The buoyancy force on the 490 balloon is F = 6kN , and the air resistance is F_D = (100v)N, where is in m/s. Determine the terminal or maximum velocity of the balloon if it starts from rest. vmax = ?

physics
This is my lab project and i need help in how to start to solve this problem. Determine the buoyant force on a balloon(filled with air) as a function of depth. At what depth does neutral buoyancy occur.

What is importance of AIR in buoyancy?

What is the buoyancy force on a 15 g object which displaces 60 ml of water?

asap science
what direction does buoyancy act in? all directions, up? etc.

science
Define buoyancy.state the factors on which buoyant force depends?

Physics
A large piece of wood, of mass 56 kg, falls over a waterfall and into the drop pool below. It enters the pool travelling at 12 ms-1 and is then subject to an upwards acceleration of 5.8 ms-2 due to its buoyancy. How long does it take before it bobs to the surface of the pool?

Physics: Buoyancy
A crane lifts the 23000 kg steel hull of a ship out of the water. Determine the following. (a) the tension in the crane's cable when the hull is submerged in the water

Physics: Buoyancy
A crane lifts the 23000 kg steel hull of a ship out of the water. Determine the following. (a) the tension in the crane's cable when the hull is submerged in the water

AP Physics
a weather station releases a weather balloon.The balloon's buoyancy accelerates it upward at 15m/s sq.At the same time,a wind accelerates it horizontally to the right at 6.5m/s sq.What is the resulting acceleration

Physics
What is the Buoyancy force exerted on a 180kg iron anchor when it is immersed in seawater? The density of iron is 7.8×103 kg/m3 and that of seawater is 1.03 × 103 kg/m3 .

Physics
What is the Buoyancy force exerted on a 180kg iron anchor when it is immersed in seawater? The density of iron is 7.8×103 kg/m3 and that of seawater is 1.03 × 103 kg/m3 .

science
How did Archimedias prove mathematically that salt water and diving were related to buoyancy?

What percent error is introduced by weighing a Styrofoam block in air, which exerts an upward buoyancy force, rather than in vacuum? The density of air is 1.2 kg/m^3. (The density of Styrofoam is 160 kg/m^3)

Physics
Is it true that with buoyancy, the weight of the displaced water equals the weight of the complete object, even if only a part of the object is submerged? If so, why, since the weight of a larger object would be greater than that of a smaller one?

physics
A wooden cube with a specific gravity of 0.90 and side length 0.120 m is placed into a bucket of water and floats upright with its sides in a horizontal or vertical orientation. What is the mass of the cube, what is the buoyancy force acting on the cube and how much of the ...

Physics - Buoyancy
A scale reads 20.3 N when an object is not submerged in water and 20.0 N when the object is (completely) submerged in water. What is the specific gravity of the object?

science
look..i'm not really good in english..but i really2 need help here..why jellyfish must be in buoyancy of water group???

science
I am doing a science project on density and buoyancy. What would be a good hypothesis for this topic?

Physics
A raft is constructed of wood having a density of 6.00x102 kg/m3. Its surface area is 5.40 m2 and its volume is 0.45 m3. When the raft is placed in fresh water, to what depth h is the raft submerged by its weight? The density of fresh water is 1000 kg/m3. Hint: Use Newton’s ...

Biology 1010
Which of following is NOT characteristics of all fish? a.gills as respiratory organs b.two-chambered heart c.swim bladder for buoyancy organ d.skin with scales e.presence of jaws

science
A 20 N object displaces 2,000 mL of water. What is the buoyancy? Hint: 1 mL of water = 1 cm3 of water = 1 g of water (Remember to convert g to kg) Will it float? (yes/no)

Physics
Buoyancy. A Team of 6 scouts plan to cross a lake on a raft they designed. The dimensions of each plank is 30 cm x 30 cm x 3m. The density of the wooden planks is of .80. The average mass of the members is 65KG. And for their safety they want the top of the raft to be 3 cm ...

Physics Archimedes buoyancy lab
In calculating the density of a heavy solid. The string holding the heavy solid will cause error. specific gravity= (mass object in air)/ (mass object in air- mass object in water) = density When does it lead to an experimental density that is too high? Too low? not sure...

physics
6) A sub has a volume of 20 m3 and a density of 1500 kg/m3. It sinks to a depth of 40 meters. The density of sea water is 1025 kg/m3. a. What is the pressure on the sub at this depth? b. The sub has a window with a diameter of 30 cm. What is the net force on the window of the ...

Physics , static fluids
A particular object weighs 313 N in air and 264 N when immersed in alcohol of density 0.70 g/cm3. What is the volume (in L) and the density (in kg/m3) of the object? I had origionally used the 264N as the force of buoyancy and did the Fb=density*volume*g, then solved for ...

physics
A submerged submarine alters its buoyancy so that it initially accelerates upward at 0.325 m/s^2. What is the submarine's average density at this time? (Hint: the density of sea water is 1.025*10^3 kg/m^3). The difference of densities will give you the net bouyant force on the...

Physics
A balloon carrying a basket is descendign with a constant acceleration of g/3. the total mass of the basket and contents is mB.you see water below and decide you need to throuw out some mass to allow the basket to rise and not hit the water. how much mass should you throw out ...

physics
A 650 kg weather balloon is designed to lift a 4600 kg package. What volume should the balloon have after being inflated with helium at 0 degrees celcius and 1 atm pressure to lift the total load? The buoyancy force must equal the weight lifted. Let V be the volume. g*[(He ...

Science
To lift an object weighing 21,000 N, how much force is needed on a piston with an area of 0.060 m2 if the platform being lifted has an area of 3.0 m2 ? If the weight is 21,000 N which is also a force and to find Buoyancy force then 3.0 m2 + .06 m2 = 3.6 m2 21,000/3.6 Im pretty...

Physical science
On a perfect day, you are hovering at low altitude in a hot-air balloon, accelerated neither upward or downward. The total wieght of the balloon, including its load and the hot air in it is 20,000N. Show that the volume of the displaced air is 1700 m3 (Hint:Buoyancy in a Gas)

pyshics
A small rock moves in water, and the force exerted on it by the water is given by the equation Fd = kv, where k is a constant. The terminal speed of the rock is measured and found to be 2.0m/s. The rock is projected upward at an initial speed of 6.0m/s. You can ignore the ...

physics
A 65 kg diver jumps off of a 10.0 m tower. a. Find the diver's velocity when he hits the water. b. The diver comes to a stop 2.0 m below the surface. Find the net force exerted by the water. Ok, im confused, I found velocity which is 14. But for the net force im confused on ...

physics I
A lost shipping container is found resting on the ocean floor and completely submerged. The container is 5.4 m long, 2.3 m wide, and 2.4 m high. Salvage experts attach a spherical balloon to the top of the container and inflate it with air pumped down from the surface. When ...

College Physics- buoyancy problem
To an order of magnitude, how many helium-filled toy balloons would be required to lift you? Because helium is an irreplaceable resource, develop a theoretical answer rather than an experimental answer. Assume that you have a mass of approximately 70 kg, the radius of a ...

physics
A Chinook salmon has a maximum underwater speed of 3.0 m/s, and can jump out of the water vertically with a speed of 4.8 m/s. A record salmon has a length of 1.5 m and a mass of 62 kg. When swimming upward at constant speed, and neglecting buoyancy, the fish experiences three ...

A hollow brass cylinder is weighed on a pan balance (kitchen scale) which read in kg. The scale reading is 5.56 kg. The brass cylinder is now removed from the scale and is replaced by a beaker of liquid density 1.56 * 10^3 kg/m^3; the scale now reads 17.50 kg. The brass ...

PHYSICS
A hollow brass cylinder is weighed on a pan balance (kitchen scale) which read in kg. The scale reading is 5.56 kg. The brass cylinder is now removed from the scale and is replaced by a beaker of liquid density 1.56 * 10^3 kg/m^3; the scale now reads 17.50 kg. The brass ...

Ms, Sue help me in science
1. As a sample of matter is cooled, which property of its particles increases? (1 point)average kinetic energy pressure buoyancy cohesive forces 2. Kinetic energy is the _____ of motion. (1 point)temperature energy heat state 3. Substances that have a low _____, such as most ...

science
1. As a sample of matter is cooled, which property of its particles increases? (1 point)average kinetic energy pressure buoyancy cohesive forces 2. Kinetic energy is the _____ of motion. (1 point)temperature energy heat state 3. Substances that have a low _____, such as most ...

Earth Science
Assume that the lower troposphere is isothermal with a temperature TA. An airparcel at the surfaceis heated isobarically to a temperature of T0 and then released and allowed to ascend dryadiabatically. Assume that the buoyancy is the only force acting on the parcel and that ...

chemistry
the molar mass of a newly synthesized jluorocarbon was measured in a gas microbalance, This device consists of a gkass bulb forming one end of a beam, the whole surrouned by a closed container. The beam is pivoted and the balance point is attained by raising the pressure of ...

Science
1. The surface tension in a cup of water is caused by ____. (1 point)attractive forces between the water and its container attractive forces between water molecules adhesive forces between water molecules adhesive forces between the water and its container 2. The measure of ...

sCIENCE PLZZZZZZZZ HELP
1. The surface tension in a cup of water is caused by ____. (1 point)attractive forces between the water and its container attractive forces between water molecules adhesive forces between water molecules adhesive forces between the water and its container 2. The measure of ...

science 3
11. The freezing point of a substance is ____ the melting point of the same substance. (1 point)greater than less than equal to unrelated to 12. For most substances, the distance between particles is smallest when the substance ____. (1 point)exists as a gas exists as a liquid...

Science
Explain the following quote: ... it was several weeks before an emigrant from Earth could adapt to it. On the Moon the human body had to learn a whole set of reflexes. It had, for the first time, to distinguish between mass and weight. A man who weighed one hundred eighty ...

SCIENCE HELP
CAN SOMEONE CHECK THESE!! 1. Which of the following is a reason why a person might want to wear snowshoes if walking a distance in deep snow? (1 point) snowshoes spread the person’s weight out snowshoes reduce the amount of pressure on a given spot snowshoes keep the person ...

physics
what is physics? i know that its subject but what is definition of physics? The study of matter, energy, space, and time, and the interactions thereof.

physics/medical physics
please assist me to get project topic under biophysics or application of physics in medecine

Physics
Research on the physics of living systems.Give two examples to show how physics

my physics teacher asked the class to find a cool physics topic and write a summary and a reflection on it 1page.... any ideas im really stuck

Physics
Could someone help me to say this better? I have to Distinguish between atomic physics and nuclear physics, so here is what i have. which deals with the atom as a system of electron(s) and a nucleus and nuclear physics, which considers atomic nuclei alone

Physics;Help!!!!!!
There is apparently no one online who can help with physics questions right now. Please check back later to see if a physics teacher has addressed your question. Multiple posts won't get faster answers. Thanks. =) The question is in the first question marked physics beside ...

physics
thanks for the help earlier just got a question I'm taking AP Physics B this year does that mean next year I would Take AP Physics C??? I don't know if the material in C convers the same material plus the additional calculus material or what??? Could I take AP Calculus while ...

how come no one is helping on physics questions!!!
every physics helpers are not getting any responses. can someone help on physics questions pleases???

physics
just wondering if anybody have any suggestions for a physics project (anything that deals with physics)??? thanks Research the Klien-Fogleman wing and its advantages over conventional wing shapes.

college physics
This site is just a front for liveperson Most college physics questions are not answered for months if ever. Out of "200 experts" you must have somebody who knows physics right? Guess not.

Sta 112
This is my question every one . Please help me have it already I had 6 as my answer. In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also 4 of them offer physics and chemistry but not biology,3 offer physics and biology but not ...

Physics and movies
we are supposed to relate physics to movies, and state mistakes or errors found in the movies based on physics principles. I am trying to do Willy Wonka the 1971 version...I need help trying to prove that Violets becoming a blueberry is impossible and an error due to physics, ...

URGENT Needs Physics Help
Ok, so I am doing this paper on the physics mistakes in Willy Wonka and the Chocolate factory. To prove that the everlasting gobstopper defies the laws of physics, I wanted to use Zeno's paradoxes to do so. But are his paradoxes correct? There are theories online that say they...

Urgent Needs Physics Help
Ok, so I am doing this paper on the physics mistakes in Willy Wonka and the Chocolate factory. To prove that the everlasting gobstopper defies the laws of physics, I wanted to use Zeno's paradoxes to do so. But are his paradoxes correct? There are theories online that say they...

Physics
Research on the physics of living systems. Give two examples to show how physics helps to understand the concepts of evolution, biological systems of living organisms.

Physics
Research on the physics of living systems.Give two examples to show how physics helps to understand the concepts of evolution, biological systems of living organisms.

english
“It is fifty-one years since we first met, and we have been busy through every one of them, stirring up the world to recognize the rights of women,” Susan B. Anthony wrote her friend Elizabeth Cady Stanton in 1902. The letter, in honor of Stanton’s eighty-seventh ...

physics
research on the physics of living systems.give to examples to show how physics help to understand the concepts of evolution,biological systems of living organisms.

Physics Find mass and radius of planet.
While visiting Planet Physics, you toss a rock straight up at 15 m/s and catch it 2.4 s later. While you visit the surface, your cruise ship orbits at an altitude equal to the planet's radius every 240 min. What is the mass of Planet Physics? What is the radius of Planet Physics?

Physics
I posted this earlier and no one responded so I am going to try again. I have to Distinguish between atomic physics and nuclear physics, so here is what i have. which deals with the atom as a system of electron(s) and a nucleus and nuclear phys

physics
A physics student drops a physics text book into a mine shaft 250m deep,where the average mine temperature is 5degrees celsius.Show that the sound of the book striking the bottom is heard after 7.82seconds

AP physics
do you guys have an someone that good with advanced physics, because i have a few problems that i am not sure how to do and its for my AP physics class, and I wasn't sure if you had someone on board now that could help thanks

AP Physics 1
This isnt exactly a hw question... but for anyone who knows: Im considering to take AP Physics next year as a challenge. I'm going to be taking pre-calc next year ( i already took my algebras) and im not too great in math but im good at memorizing and retaining info... will AP...

Physics
Ok so I am not so bad at physics but I find it hard to understand formular like how to use this one mu *m*g= I know its somewhat related to friction but what is the mu stand for and g too IF someone could plzz translate these symbols to words I would really appreciat it Sorry ...

Physics - The Branches of Physics
Give at least one example of an application of each branch: Motion -cellphone Properties of Materials Sound -Radios Light -Candle Electricity -Calculator Magnetism -VCR's Properties of atoms -Computers Nuclear physics -? Could you check to see if Ive done this right? And I ...

physics
1.Distinguish between atomic physics and nuclear physics? 2.Briefly describe the Bohr model of the atom. What is Bohr’s key idea (involving matter waves) that makes the Bohr atom have discrete energy levels? I really didn't understand what they were wanting, so many of ...

Physics
So... The task is to evaluate the design of three types of car tires, and explain how each type differs to maximize performance. Physics terminology is to be included in our report. -------- I just need a starting point. What types of tires do you recommend I research and what...

physics
i need a topic for an eei (extended experimental investigation). i want a simple experiment that i can do. however, i need one that has a lot of physics behind it, and has a lot of information on the net about it. it can be on any topic within physics. if anyone has any great ...

Physics (Final Review)
Ok so tomorrow is my Physics final and I have so much depending on this one test ( all my other grades are 80 and above but this one is a low 70). I have studied for the final but if anyone could supply me with a list of most know formulas for physics I would really appreciate...

physics
Stuck in the middle of a frozen pond with only your physics book, you decide to put physics in action and throw the 6-kg book. If your mass is 54 kg and you throw the book at 14 m/s, how fast do you then slide across the ice? (Assume the absence of friction. Let the direction ...

Physics
Stuck in the middle of a frozen pond with only your physics book, you decide to put physics in action and throw the 9-kg book. If your mass is 45 kg and you throw the book at 10 m/s, how fast do you then slide across the ice? (Assume the absence of friction. Let the direction ...

physics
a physics book has a height of 26cm, a width of 23cm, and a thickness of 3.9cm. what is the density of the physics book if it weighs 17N? the acceleration of gravity is 9.81m/s^2. answer in units of kg/m^3 i know density=mass/volume but it says to answer in units of kg/m^3... ...

Physics
I have some physics problems that I would like to get checked please?

Physics
is physics neccessary for becoming a pharmacist or no? i searched the web and it says yes. so is it true?

physics
do you know where I can get a formula sheet for physics our book does not include a break down of them

physics
what are imp. long questions of 7th chapter of 9 e.m of physics of bise lahore.

Physics
a 12 kg physics book flies through the air with a momentum of 20kg m/s. what is its speed?

physics
Thank you Henry for helping me with my physics problem about the angle etc and the golf ball on 7/28.

physics
explain the physics principle why the size of tree stem decreases upwards?

physics
meaning of graw I have never heard that term in physics.

physics
Come up with 10 things (like bowling) that could use physics? What does this mean?

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