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August 26, 2016

Search: Physics: Buoyancy

Number of results: 67,752

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?
May 8, 2011 by jen

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...
October 30, 2015 by rvanegas

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...
February 17, 2015 by Danny

Physics
can you use principle of density and buoyancy to explain how a cartesian diver works?
May 6, 2012 by sachi

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 ...
October 21, 2013 by Saiba

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...
July 11, 2015 by ?

physics
Determine the buoyant force a balloon as a funtion of depth. At what depth does the buoyancy occur
March 21, 2011 by Rehman

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)
November 27, 2012 by Mark

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)
December 13, 2014 by Frank

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]
October 23, 2012 by keerthiga

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)
March 14, 2013 by Krishnam Kumawat

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 ...
September 17, 2015 by Jason

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 = ?
March 8, 2011 by Roshni

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.
March 18, 2011 by ami

2nd grade
What is importance of AIR in buoyancy?
January 8, 2010 by manahil

8th grade
What is the buoyancy force on a 15 g object which displaces 60 ml of water?
August 16, 2010 by fernando

asap science
what direction does buoyancy act in? all directions, up? etc.
February 6, 2014 by :)

science
Define buoyancy.state the factors on which buoyant force depends?
February 3, 2015 by saurav

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?
September 30, 2010 by Rebecca

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
January 27, 2013 by Seth

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
January 27, 2013 by Seth

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
September 26, 2014 by ren

science
How did Archimedias prove mathematically that salt water and diving were related to buoyancy?
November 3, 2011 by Justin

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 .
May 28, 2016 by Anonymous

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 .
May 28, 2016 by Anonymous

physics-Please HELP!
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)
January 16, 2012 by Ashley

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 ...
May 1, 2012 by Anonymous

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?
November 11, 2010 by Phil

science
look..i'm not really good in english..but i really2 need help here..why jellyfish must be in buoyancy of water group???
October 10, 2009 by =)

science
I am doing a science project on density and buoyancy. What would be a good hypothesis for this topic?
January 19, 2008 by shay

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 ...
May 28, 2016 by Anonymous

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
April 18, 2012 by Whitney

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)
May 1, 2012 by Morgan

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 ...
August 13, 2012 by Alex

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...
December 12, 2007 by ~christina~

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 ...
January 22, 2012 by Kat

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...
May 9, 2007 by Anonymous

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 ...
October 8, 2012 by Jane

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 ...
May 9, 2007 by Anonymous

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)
February 24, 2008 by Rachel

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...
January 7, 2015 by Alex

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 ...
October 19, 2011 by Timothy

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 ...
December 24, 2009 by Heart

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 ...
December 8, 2014 by Astro

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 ...
November 22, 2015 by Dumb Student

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 ...
March 11, 2013 by Anonymous

Physics _ Please please help
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 ...
August 9, 2011 by Alexandria

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 ...
August 10, 2011 by Alexandria

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 ...
April 10, 2012 by NIKE

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 ...
April 10, 2012 by NIKE

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 ...
October 6, 2010 by jack

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 ...
April 11, 2012 by jhai9

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 ...
April 11, 2012 by jhai9

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...
April 17, 2012 by NIKE

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 ...
October 2, 2014 by Kimmy

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 ...
May 28, 2016 by gabby

physics
what is physics?i know that its subject but what is defination of physics? The study of matter, energy, space, and time, and the interactions thereof.
July 7, 2007 by komal

physics/medical physics
please assist me to get project topic under biophysics or application of physics in medecine
August 12, 2009 by mataos

Physics
Research on the physics of living systems.Give two examples to show how physics
July 15, 2016 by Karan

11th grade 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
October 5, 2008 by JESSICA!!!!!!!!!!!!!!!!!

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
November 10, 2007 by Amanda

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 ...
June 7, 2007 by Writeacher

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 ...
August 9, 2009 by physics

how come no one is helping on physics questions!!!
every physics helpers are not getting any responses. can someone help on physics questions pleases???
October 28, 2010 by Lyn

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.
November 27, 2006 by mitch

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.
September 30, 2009 by john

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 ...
January 23, 2016 by Anonymous

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, ...
December 8, 2007 by Please McHelp me!

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...
December 16, 2007 by Desperate

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...
December 16, 2007 by Desperate--REPOST

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.
June 24, 2016 by Aadi

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.
July 15, 2016 by Karan

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 birthday, was...
March 18, 2015 by jimm

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.
July 7, 2016 by tarun

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?
April 5, 2010 by Mike

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
November 13, 2007 by Amanda

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
April 21, 2012 by musuma

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 wasnt sure if you had someone on board now that could help thanks
January 27, 2008 by Kristen

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...
February 16, 2008 by Lucy

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 teh mu stand for and g too IF someone could plzz translate these symbols to words I would really appreciat it Sorry ...
October 17, 2010 by Pablo

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 ...
September 9, 2011 by Anonymous

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 ...
May 19, 2007 by shamstar

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 didnt understand what they were wanting, so many of ...
November 6, 2007 by Will

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...
December 13, 2010 by Pablo

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 ...
February 22, 2011 by Anonymous

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 ...
June 5, 2012 by James

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... ...
January 19, 2009 by Claudia

Physics
I have some physics problems that I would like to get checked please?
September 23, 2007 by Jesse

Physics
is physics neccessary for becoming a pharmacist or no? i searched the web and it says yes. so is it true?
January 14, 2009 by Aryan

physics
do you know where I can get a formula sheet for physics our book does not include a break down of them
September 15, 2011 by Anonymous

physics
what are imp. long questions of 7th chapter of 9 e.m of physics of bise lahore.
October 11, 2013 by Hamza024071

Physics
a 12 kg physics book flies through the air with a momentum of 20kg m/s. what is its speed?
April 6, 2015 by Natalie

physics
Thank you Henry for helping me with my physics problem about the angle etc and the golf ball on 7/28.
July 29, 2015 by Doug

physics
explain the physics principle why the size of tree stem decreases upwards?
March 26, 2016 by lucy

physics
meaning of graw I have never heard that term in physics.
August 19, 2007 by jasreet

physics
Come up with 10 things (like bowling) that could use physics? What does this mean?
April 7, 2013 by Shaniqua

Physics
How do observations of the photoelectric effect conflict with the predictions of classical physics?
May 21, 2014 by Brent

physics dicussion question
is there any physics teachers available to help right now?
March 28, 2015 by abs

physics
why is it cold in winter and hot in summer basing on physics knowledge
March 26, 2016 by lucy

physics
explain the physics concept to why a ship sounds when moving in water?
March 26, 2016 by lucy

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