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August 1, 2014

Search: Physics: Buoyancy

Number of results: 54,837

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

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

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

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

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 =)

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

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

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
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

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

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

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 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
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
find the force of gravity between 74.0kg physics students that are sitting 85.0 cm apart
November 3, 2011 by Anonymous

physics
why weight of gold varies at 2 different places like panna and ladakh (physics)
June 12, 2013 by rita

Physics help!
I need to know all of the equations for WORK problems (Physics). I'm not sure where to find them. if someone could help id appreciate it.
December 7, 2008 by Jim

Physics
Hi again, Can anyone help me with the physics problem I posted earlier today (Sunday) at 3:47 p.m. I would really appreciate it!!Thanks!
March 23, 2009 by Brigid

Physics
____ N of work are done on your physics text when you carry it horizontally across a 15 meter wide room.
March 2, 2011 by Amber

physics
What are ways your driving can be improved by applying the physics of motion?
August 12, 2010 by Anonymous

physics
i need three different project topic in physics
April 14, 2012 by Joanna

physics
i need three project topics in physics. Help please
May 12, 2012 by Joanna

physics
please answer ! how is physics related to food technology ?
June 5, 2012 by angelique

physics
what are the 4 main kinds of long-distance communication? I have no idea what you mean here, in physics. Can you explain?
November 10, 2006 by alejandra

physics
(Another) Physics Homework Help? The two blocks in the figure are sliding down the incline. What is the tension in the massless string?
October 24, 2008 by vidya

Physics
I have a physics problem and it's below.
December 26, 2009 by Priscilla

physics
Approximate the gravitational force of attraction between a 42.0 kg girl and a 56.0 kg boy if they are sitting 3.0 m apart in physics class.
December 2, 2010 by Devon

physics
Approximate the gravitational force of attraction between a 46.0 kg girl and a 60.0 kg boy if they are sitting 2.5 m apart in physics class. N
January 5, 2011 by Anonymous

physics
what is The total work done in lifting a typical high school physics textbook a vertical distance of 0.10 meter
January 18, 2011 by Anonymous

Physics
For those of you with Physics questions, here are some tutorials that may help you: http://search.yahoo.com/search?fr=mcafee&p=Physics+tutorials Sra
January 4, 2011 by SraJMcGin

Physics 11
Can someone give me an accurate definition on "Principle of Superposition"? Extra info: Im studying Physics 11, Sound Unit
November 24, 2009 by Andy

physics
tell me theworking science model for physics hhw and also give the procedure for the same as early as possible
June 3, 2010 by lil

physics
A student applies an upward force of 49 N to a 5.4-kg physics textbook. Find the book’s acceleration (positive for up, negative for down).
February 8, 2011 by Fred

Physics
A student applies an upward force of 58 N to a 5.1-kg physics textbook. Find the book’s acceleration (positive for up, negative for down).
February 25, 2011 by martin

Physics
Please give me numerically answer of tata mcgrawhill book class 10 of physics electricity total unsolved
August 4, 2011 by Abhishek kumar sahi

physics
i have given an assignment by school to prapare a working model of physics. Please give me some tips.
July 20, 2012 by edward

physics
what physics are involved in the 100 meter dash
October 9, 2007 by zac

physics
what area of physics studies motion and its causes?
January 8, 2009 by chevis

physics
what is the physics principle behind fiber optics??
November 6, 2009 by jonas

physics
IN PHYSICS TENTH CLASS ADDRESS OF AN ELECTRON
May 13, 2011 by SAI

Physics
In physics, how do you solve for the magnitude in 2-D kinematics and what are the x and y-components?
September 27, 2011 by Astrogirl

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