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October 24, 2014

Search: physics (coulombs law)

Number of results: 61,172

physics
Using Coulomb's Law, calculate the force of repulsion between a positive charge of 110 Coulombs and another positive charge of 220 coulombs separated by a distance of 2 meters. Use scientific notation. (Hint: use the proportionality constant)
June 17, 2012 by LL

physics
Using Coulomb's Law, calculate the force of repulsion between a positive charge of 110 Coulombs and another positive charge of 220 coulombs separated by a distance of 2 meters. Use scientific notation. (Hint: use the proportionality constant)
June 17, 2012 by LL

physics
What is Coulombs law
June 23, 2014 by Maheer

Physics - Coulombs Law
Two identical objects have charges 6.0*10^-6 and -2.0*10^-6 respectively. When placed a distance d apart, their force of attraction is 2.0N If the objects touched together, then moved to a distance of separation of 2d, what will be the new force between them. Ans: I tried the ...
October 17, 2010 by Anonymous

Columbs Law
I need help with the following questions from my homework. thanks! How does one coulomb of charge compare with the charge of a single electron? How is coulombs law similar to Newton's law of gravitation? How is it different?
November 5, 2007 by Whit

physics 2
A charge of -6.8 micro-Coulombs is placed at x = 0, y = 0. A charge of -18.5 micro-Coulombs is placed at x = 0, y = +37 cm. Another charge of -12.9 micro-Coulombs is placed at x = +17 cm, y = 0 cm. What is the angle the total electric force on the charge at x = +17 cm, y = 0 ...
January 18, 2013 by Jessica

physics
what is the electric field at the center of the square? q1 and q2 = -10 micro coulombs q3 and q4= 5 micro coulombs each side is 0.10 m. How do i set this up?
July 7, 2011 by Sarah (C)

physics
What is the force exerted on 40 micro coulombs by 20 micro coulombs? (charges are separated by 80cm)
May 2, 2012 by paul

physics
A point charge of +10 micro-coulombs lies at x = -0.39 m, y = 0 m, a point charge of -5.7 micro-coulombs lies at x = +0.39 m, y = 0 m, and a point charge of +14.9 micro-coulombs lies at x = 0 m, y = -0.3 m. A point charge of +10 micro-coulombs is moves from x = 0 m, y = +0.11 ...
February 10, 2012 by Mandaleigh

physics
what is the electric field at the position 20 cm from Q2 and 60 cm from Q1? Q2=40 micro coulombs Q1=20 micro coulombs Q2 and Q1 are separated by 80 cm
May 2, 2012 by quinton

physics
A conducting spherical shell with a total charge of +12.6 micro-coulombs has a point charge of -3.6 micro-coulombs placed at its center. The negative point charge will push the electrons in the spherical shell away from it. This will leave the inner shell with positive charge ...
February 10, 2012 by Mandaleigh

Physics please help
What is the potential halfway between two point charges spaced 1 mm apart if q1=10 micro coulombs and q2= -5 micro coulombs? Attempt at solution: no idea but need to get this right our homework is graded
February 15, 2012 by bel

Physics
What is the electric field at a point midway between a -7.34 micro coulombs and a +4.49 micro coulombs charge apart 31.5m apart?
July 9, 2013 by Amalia

Physics
Calculate the coulomb force on q. They are all in a straight line q1, q2,q3. Q1:1.05 micro coulombs Q2:5.51 micro coulombs Q3:-2.15 micro coulombs The distance, r1, between q1 and q2 is 20.1cm. The distance, r2, between q2 and q3 is 15.3 cm. Also, calculate e coulomb force on q2
July 9, 2013 by Amalia

physics
Calculate the magnitude and direction of the Coulomb force on each of the three charges connected in series: 1st - 6 micro Coulombs (positive charge) 2nd - 1.5 micro Coulombs (positive charge) 3dr - 2 micro Coulombs (negative charge) Distance between 1st and 2nd - 3cm Distance...
May 16, 2012 by andrew

physics
Calculate the magnitude and direction of the Coulomb force on each of the three charges connected in series: 1st - 6 micro Coulombs (positive charge) 2nd - 1.5 micro Coulombs (positive charge) 3dr - 2 micro Coulombs (negative charge) Distance between 1st and 2nd - 3cm Distance...
May 21, 2012 by andrew

physics
PLEASE HELP!! I HAVE A TEST TOMORROW!! i just posted this problem but a very important drawing was left out! if Q=30 uC, q=5.0 uC, and d=30cm, what is the magnitude of the electrostatic force on q in N? (Ke= 8.99 x 10^9 Nm^2/C^2) (uC= micro coulombs) (u= 10^-6) d 2d O<---&...
April 6, 2009 by Bobby

Physics
Current flow through a lamp is 1.3 A. How many Coulombs of charge are passed through the lamp in 2 minutes? Formula for coulombs and current? Not sure..
February 3, 2013 by Physics fail

physics2
A charge of -6.5 micro-Coulombs is placed at the origin of a coordinate system. Another charge of -7.6 micro-Coulombs is placed at x = +0.29 m, y = +0.17 m. A third charge of +14 micro-Coulombs is placed at x = -0.29 m, y = 0 m. What is the magnitude of the total electric ...
January 29, 2011 by kelly

physics
An infinite sheet with a surface charge density of -2.1 micro-coulombs/m2 runs parallel to the x axis. Another infinite sheet a surface charge density of +2.1 micro-coulombs/m2 runs parallel to the y axis. A charge of -4.1 micro-coulombs moves at a 45 degree angle towards the ...
February 10, 2012 by Mandaleigh

PHYSICS
5.00x 10^-2 mass with charge +0.75 micro coulombs is hung by a thin insulated thread. Charge of -0.9 micro coulombs is held .15meters directly to the right so that the thread makes an angle with the vertical. What is the angle and the tension in the string?
March 29, 2011 by T

physics
A point charge of +4.6 micro-coulombs lies at x = 0 and a point charge of -7.3 micro-coulombs lies at x = +3.3 m. Where on the x axis, is the total electric potential equal to zero? Answer in meters.
February 10, 2012 by Mandaleigh

Math
Two small conducting spheres are identical except that sphere x has a charge of -10 micro coulombs and sphere y has a charge of + 6 micro coulombs . After the spheres are brought in contact and then separated,what is the charge on each sphere ,in micro coulombs ?
August 18, 2011 by Troy

physics
The final charge on each of the three separated spheres in part (c) is +3.0 µC. How many electrons would have to be added to one of the three spheres to make it electrically neutral? Divide 3*10^-6 Coulombs by 1.6*10^-19 Coulombs per electron. The will be the number of ...
January 21, 2007 by Ann

physics coulombs law
a negative charge 5.0 X 10^-4 C exerts a repulstio force of 7.0 N .on second charge away 0.05 m away. what is the sign and magnitude of the second charge
December 5, 2012 by adithya

Inorganic chemistry
What charge in coulombs is required to deposit 0.301g Cu(s) from a solution of Cu^2+? Cu^2+ 2e^- = Cu 0.301g/63.5g/mol = 4.7 x 10^-3 mol Cu (4.7 x 10^-3 mol Cu) (2 mol e^-/mol Cu) I should be able to mutiply that by 96,500 (Faraday number) to get 914C, but I don't. ...
April 12, 2009 by Steve

physics
sorry! trying to get the drawing correct! PLEASE HELP!! I HAVE A TEST TOMORROW!! i just posted this problem but a very important drawing was left out! if Q=30 uC, q=5.0 uC, and d=30cm, what is the magnitude of the electrostatic force on q in N? (Ke= 8.99 x 10^9 Nm^2/C^2) (uC= ...
April 6, 2009 by Bobby

physics
When two identical ions are separated by a distance of 4.0×10^−10 , the electrostatic force each exerts on the other is 5.7×10^−9 . How many electrons are missing from each ion? what i did was used coulombs law to find the value of q1 and q2 , so q1+q2=1.013333333...
January 13, 2011 by Cassie

PHYSICS II
When two identical ions are separated by a distance of 4.0×10^−10 , the electrostatic force each exerts on the other is 5.7×10^−9 . How many electrons are missing from each ion? what i did was used coulombs law to find the value of q1 and q2 , so q1+q2=1.013333333...
January 17, 2011 by Cassie

PHYSICS II
When two identical ions are separated by a distance of 4.0×10^−10 , the electrostatic force each exerts on the other is 5.7×10^−9 . How many electrons are missing from each ion? what i did was used coulombs law to find the value of q1 and q2 , so q1+q2=1.013333333...
January 17, 2011 by Cassie

physics (coulombs law)
a charge +6 C experiences a force of 2mN in +x direction. a)what was the electric field there before charge was placed ? b)describe the force which a -2c charge would experience if it is located at the point in place of the +6c for a) i assumed the charge is 0 'cos there's no ...
December 8, 2012 by lola

physics 2
Three charges are placed on the y axis. One charge of -3.2 micro-Coulombs is placed at y = 0, another charge of +2.6 micro-Coulombs is placed at y = -0.29 meters, and another unknown charge is placed at y = +0.51 meters. The total force on the charge at y = 0 due to the other ...
January 18, 2013 by Jessica

chemistry
"To save on production costs, most automobile bumpers are never coated with more than 200 g of chromium. Determine how much time a standard bumper should be immersed in a chromium vat." This is what I have so far- 96,485 coulombs are required to plate 1 Cr; 52/6 = 8.67g. To ...
June 17, 2014 by anonymous

Chemistry - Electroplating - URGENT
"To save on production costs, most automobile bumpers are never coated with more than 200 g of chromium. Determine how much time a standard bumper should be immersed in a chromium vat." This is what I have so far- 96,485 coulombs are required to plate 1 Cr; 52/6 = 8.67g. To ...
June 17, 2014 by Em

Physics
1 Angstrom = how many Coulombs?
August 29, 2014 by Joel

physics
A sphere has a radius of 0.20 meters and has a uniform surface charge density equal to 6.3 micro coulombs per meter squared. A second point charge has a magnitude of 0.58 micro coulombs and is 0.61 meters away from the center of the sphere. Find the magnitude of the force ...
March 17, 2012 by doug

Physics
What is the connection between Weber’s Law, Fechner’s Law, and Steven’s Power Law
September 6, 2014 by Vanessa

LSU
Two point charges Q1 = -26.8 micro-Coulombs and Q2 = +38.5 micro-Coulombs are located on a vertical line with Q1 below Q2. The coordinates of Q1 is (0.0, -6.8 cm). The two charges are 28.6 cm apart. Determine the coordinates of the location where the net electric field due to ...
September 11, 2012 by Garrett

Physics
HOw many electrons make up a charge of -30 micro coulombs???
January 7, 2008 by HELP!!!!

physics
How many coulombs of positive charge are in 3.8 mol of O2 gas?
March 8, 2010 by deb

physics
how many excess electrons must be placed on each of two small metal spheres placed 3.00 cm apart in a vacuum if teh force of repulsion betwen the spheres is to be 0.000000008 N? how do i solve this problem??=( help please.thx. Use Coulomb's Law: F = k Q^2/R^2 The force is F = ...
August 20, 2007 by Jarin

Physics
How do I use Kirchhoff's First Law -- the law of conservation of energy and the law of conservation of charge to prove the equivalent resistance formula. Rt = R1 + R2 + R3 ......
May 27, 2012 by Art

physics2
Charges are placed on an equilateral triangle (all angles are equal and equal to 60 degrees). The length of each side of the triangle is 5.7 meters. A charge of +7.1 micro-Coulombs is placed at the bottom corner of the triangle and another charge of +7.1 micro-Coulombs is ...
January 29, 2011 by kelly

physics
A 1.5 volt battery will increase the potential energy of ________________ coulombs of charge by 0.18 joules.
October 27, 2009 by Alyson

physics
What is the charge of a bare Magnesium nucleus (no electrons, just the protons and neutrons) in Coulombs?
November 10, 2013 by Anonymous

physics-E&M
An infinite line charge of uniform linear charge density lambda = -2.5 micro Coulombs lies parallel to the y axis at x = 0 m. A point charge of 3.5 micro Coulombs is located at x = 2.5 m, y = 3.5 m. Find the x- and y-components of the electric field at x = 3.5 m, y = 3.0 m. So...
January 27, 2012 by aaron b.

government
Which branch of the law regulates wrongful acts involving injury to one’s person, property, or reputation in a situation not covered by the terms of a contract? A. common law B. tort law C. civil law D. contract law
March 8, 2012 by Johana

government
Which branch of the law regulates wrongful acts involving injury to one's person, property, or reputation in a situation not covered by the term of a contract? A. common law B. tort law C. civil law D. contract law
April 2, 2012 by Charlette

applied physics
if a DC motor uses a775 coulombs of charge in 15 seconds,how much current is produced
May 27, 2008 by Ashleigh

physics
A _____________ volt battery will increase the potential energy of 0.005 coulombs of charge by 29.5 joules.
October 27, 2009 by Alyson

bus law
What is the chronological order of the major legislation that makes up the history of employment law in this country? For each law, state the social problem the law was designed to address, and discuss how employment law has affected the workplace in the last two decades.
September 2, 2010 by kash

Physics
There is a figure with a +2.0 UC charge on the left and a -2.0 uC charge on the right. P is in the center between the two charges. They are 5.0 cm apart. 1) Find the electric field 5.0 cm to the left of P. 2) Find the electric filed 5.0 cm directly above P. 3) Find the ...
August 19, 2009 by Sammy

Science-Chemistry
1. What is Charles’s law? • State the definition of the law in words. • What are the assumptions of Charles’s law? • Write mathematical equations that represent the law. • What can you do with Charles’s law? • Using a gas-filled balloon as an example, describe what happens to ...
May 31, 2013 by Help needed.... Danielle

Physics
i was woundering if you could point in the right direction i'm looking for very easy physics topics that makes use of the law of sines or the law of cosines Thanks
October 19, 2009 by Physics

Physics
During an action potential, Na^+ ions move into the cell at a rate of about 3x10^-7 mol/m^2*s. How much power must be produced by the "active Na^+ pumping" system to produce this flow against a +30-mV potential difference? Assume that the axon is 40cm long and 30um in diameter...
February 12, 2013 by John

Government Law question
What kind of law is it when judges make the law by their decisions on the bench? ___ Law
January 14, 2013 by Allyson

physics
Choose the correct description for each "Law" of Electricity & Magnetism. The choices are faradays law lenz law ampere law are my choices correct Gives the amount of current resulting from a changing magnetic field.AMPERE LAW Gives the strength of the magnetic field resulting ...
May 1, 2011 by Ana

Law
Research and identify a labor law that is specific to your state. Share a brief summary of the law with us and discuss why you believe this law is or is not important to the employer-employee relationship.
November 29, 2013 by Mattiazz

physics
1. Suppose that the strength of the electric field about an isolated point charge has a certain value at a distance of 1 m. How will the electric field strength compare at a distance of 2 m from the point charge? I know it's At twice the distance the field strength will be 1/4...
July 14, 2010 by anonymous

legal and ethical issues
select a current or proposed law that impacts the delivery of human services what reliable resources are availiable to learn about the implications of this law? What is the purpose or rationale of the law? How will the law effect da-t-day operations within human service ...
June 2, 2008 by Tiff

Physics
Two objects, each with a charge of +3·10-6 C, are located 7 m apart. What is the electric force between them? Use coulombs equation: I will be happy to critique your work.
November 12, 2006 by Laura

Physics
If two pith balls - one which is neutral and another which has a charge of -9.6 uC (micro-Coulombs) - are touched together, how many extra electrons will each ball have?
April 8, 2009 by Steven

Physics
A chlorine ion contains 17 protons, 16 neutrons, and 18 electrons. What is the net charge of the ion in Coulombs?
May 3, 2012 by Alaine'

Chemisrty
Determine which law is appropriate for solving the following problem. What volume will 1.56 liters of a gas at 27°C and 745 mmHg of pressure occupy at 100°C and 700 mmHg of pressure? Law used: Boyle's Law Charles' Law Combined Gas Law
October 19, 2011 by Angel

physics
How many coulombs of positive charge are there in 8.70 kg of plutonium, given its atomic mass is 244 and that each plutonium atom has 94 protons?
August 21, 2013 by Justin

physics
How many coulombs of positive charge are there in 8.70 kg of plutonium, given its atomic mass is 244 and that each plutonium atom has 94 protons?
August 24, 2013 by Justin

bioethics
what is law natural law eternal law human positive law what is conscience different kinds of conscience pls need an answer thanks
June 20, 2011 by joyce

Law
Hi there! I have totally got to find out how the Aussie Law is similar to the US law. Anyway I DO like know that like Oz follows England law mainly but that isn't what I need. Bushells of Thanks Minnie
April 25, 2008 by Minnie

physics
If a charge of 25 coulombs passes a given point in circuit in a time of 125 minutes determine the current in the circuit
August 22, 2011 by vikram

Physics
during the 4.0 min a 5.0a current is set up in a wire, how many (a) coulombs and (b) electrons pass through any given point in the wire?
March 12, 2013 by Anonymous

business
what is the chronological order of the major legislation that makes up the history of employment law in this country? for each law, state the social problem the law was designed to address and whether the law has solved the problem.
April 27, 2011 by Sean

physics
why the electric and magnetic fields are perpendicular to each other? why we need ampere circuital law when we already have bio sevarts law? why we use sin(theta) in the bio sevarts law why not the other ratios?
August 2, 2014 by shiva

physics
A charge of +q is located at the origin, while an identical charge is located on the x axis at x = 0.45 m. A third charge of +4q is located on the x axis at such a place that the net electrostatic force on the charge at the origin doubles, its direction remaining unchanged. ...
January 31, 2010 by jenn

Physics - Newton's Law of universal gravitation
Describe how Newton used each of the following phenomena to support the law of universal gravitation a) the orbit of the moon b) kepler's third law
August 22, 2010 by Shaila

physics
during 4.0 min a 5.0 a current is set up in a wire,how many coulombs and the electrons pass through any cross section across the wire?
October 14, 2010 by stephen

Physics
The nucleus of a certain type of uranium atom contains 92 protons and 143 neutrons. What is the total charge of the nucleus in Coulombs?
May 4, 2012 by Hunter

Physics
The total charge in an electrical circuit as a function of time is given by q=t/t^2+1 coulombs. Find the maximum charge q. Please provide your reasoning.
May 3, 2012 by Liz

physics
how is Gauss's Law use in determining the electric field anywhere around a point charge and how is this related to Coulomb's law?
July 6, 2010 by alex

bus/415
What is the chronological order of the major legislation that makes up the history of employment law in this country? For each law, state the social problem the law was designed to address, and discuss how employment law has affected the workplace in the last two decades.
August 17, 2010 by Shelly

physics
If 2.00 multiplied by 1020 electrons move through a pocket calculator during a full day's operation, how many coulombs of charge moved through it?
August 21, 2013 by Justin

physics
two similar charged small spheres each having a charge of 0.044 micro coulombs are suspended from a point by a thread of length 15 cm each. at equilibrium the angle is 5 degree. what is the mass of each sphere ?
April 13, 2013 by Himanshi

physics
A charge of 4x10^(-3) coulombs exerts a force of 2,880 Nt on charge q2 at a distance of 0.461 m. The size of q2 is most nearly____ A- 0.017 mC B- 0.032 mC C- o.32 mC D- 3.2 mC E- 0.025 uC F- 0.050 uC g- 2.17 C
May 31, 2011 by Sam

Physics
What is Ohm's law. Why is it a law and not a theory
September 16, 2010 by Jim

law
there are two kinds of law in south africa.write a paragraph in which you identify these two kinds of sources of law;name the examples of sources of law that belong to each kind;and indicate the differences betweem these teo kinds of sources of law.
March 16, 2014 by nancy

physics
PLEASE HELP!! I HAVE A TEST TOMORROW!! if Q=30 uC, q=5.0 uC, and d=30cm, what is the magnitude of the electrostatic force on q in N? (Ke= 8.99 x 10^9 Nm^2/C^2) (uC= micro coulombs) (u= 10^-6) a. 15 b. 23 c. zero d. 7.5 e 38 i don't know where to start with this problem. i don'...
April 6, 2009 by Bobby

Physics
You have two metal spheres, one with radius 10 cm, the other 7 cm. They each possess a charge of 3 x 10-6 Coulombs. If you touch them together and let the charge come to equilibrium, how much will there be on each sphere?
February 27, 2013 by lindsey

physics
Given that the mass of an electron is 9.1 x 10^-28 grams and the charge on an electron is 1.6 x 10^-19 Coulombs, calculate the voltage required to lift an electron 5 cm. not quite sure how to do this.
May 19, 2012 by Martin

physics
If 180 J of work is performed to move four coulombs of charge from the positive plate to the negative plate shown below, what potential difference exists between the plates?
January 12, 2012 by Marcia

government
the election process is largely governed by a. state law b. federal law c. local law d. PACs b
December 27, 2007 by jere

LAW
Can someone please explain to me how you could tell the difference between public law and private law?
October 13, 2008 by Mae

math Law of Syllogism and Law of Detachment
What is the difference between Law of Detachment and The Law of Syllogism ? pLEASE provide an example of both thx.
November 14, 2008 by Naya

physics
what is the magnitude of the electric field produced by a charge of magnitude 6.00 micro coulombs at a distance of a. 1.00m b. 2.00m
September 10, 2007 by natash

chemistry
1. what gas law does the nitric oxide relate to and why? (**charles law, boyles law, combined gas or gay-lusaacs law) 2. What gas law does nitrogen monoxide relate to? (**charles law, boyles law, combined gas or gay-lusaacs law)
October 4, 2010 by navroz

physics
1.What if Newton’s Third Law did not exist?. In your response to this inquiry, think of some of the consequences if Newton’s Third Law were not true. Describe in detail at least two consequences that would result if the Third Law were not true.
April 26, 2011 by maria

physics
In a lightning strike, a charge of 18 coulombs is transferred between a cloud and the ground in 2.0 × 10-2 second at a potential difference of 1.5 × 106 volts. What is the average current produced by this strike? 3.6 × 10-1 A 9.0 × 102 A 3.0 × 104 A 7.5 × 107 A
June 6, 2011 by ashley --- HELP PLEASEE!!!

physics
The current in a lightning bolt is 1.6 105 A. How many coulombs of charge pass through a cross-sectional area of the lightning bolt in 0.70 s? I dont know how to set this up???
May 16, 2012 by Brianna

College Chemistry
Ok, so I’m working on this problem where I have to get electron per mole. I know that I need to get from Coulombs/mole of H2 all the way to # of electrons/ moles of electrons. I know that the half life reaction is as follows: 2H+ +2e- -->H2(g) For Coulombs per mole of H2 I ...
May 2, 2011 by Tichele

criminal law
1 Constitutional law The law as expressed in the U.S. Constitution and the various state constitutions. The U.S. Constitution is the supreme law of the land. State constitutions are supreme within state borders to the extent that they do not violate the U.S. Constitution or a ...
October 28, 2009 by Mary

Health
If HIPAA rules are sticter than state law, which standard should you follow and why? This is what I beleive the answer is. Could somebody confirm that I'm at least on the right trail or that this is right or wrong? Answer: The stritest law prevails, whether it's state or ...
October 22, 2008 by Dee

Physics
I got a few questions that I need to be checked please? Why does a brick weigh 1 kilogram. Explain. -Would it be cause there are not other forces acting on it thats why it weighs 1 kilogram? Why do lurch foward when a bus slows down? What law is this? -Is it because the bus is...
September 9, 2007 by Soly

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