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April 18, 2014

Search: physics charges. please help!

Number of results: 183,010

physics
please check this one question: Which interaction of nature binds atoms and molecules by attracting unlike charges and repulsing like charges? a. strong b. weak c. electromagnetic d. gravitational A
Friday, March 13, 2009 at 5:50pm by physics

Physics-Please check
Not correct. Oppositely charged particles have equal and opposite charges to charges that are the same.
Tuesday, March 8, 2011 at 6:36pm by bobpursley

Physics
Two positive charges of 6 �C are separated by a distance of 50 cm in air. What is the electric field strength at the midpoint of the line joining the charges?
Saturday, February 2, 2013 at 11:42pm by help please?

Physics
Picture the following: A square with 4 point charges. Charges Q are diagonal from eachother, and charges -Q are diagonal from eachother. The length of each side is "a". One of the -Q charges is "kicked" away with an outward initial speed of V0, while the three other charges ...
Saturday, February 12, 2011 at 5:50pm by Rachel

Physics/Math help please
It says: Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero?
Friday, February 13, 2009 at 10:08pm by Sam

Physics Problems
Can you please help me with the following problem? Two charges separated by one meter exert 1-N forces on each other. If the charges are pushed to 1/4 meter separation, the force on each charge will be?
Monday, November 5, 2007 at 7:21pm by Soly

Physics
Two point charges are 10.0 cm apart and have charges of 2.0 μC and 2.0 μC, respectively. What is the magnitude of the electric field at the midpoint between the two charges? 8.99*10^9(2*10^-6/.025)=719200 Two equal charges are separated by 3.7 x 10-10 m. The force ...
Friday, January 13, 2012 at 12:52am by Anonymous

physics
two point charges are 10.0 cm apart and have chargeso of 2.0 uC (micro)and -2 uC, respectively. What is the magnitude of the electric field at the midpoint between the two charges? i think the answr is zero.. but i don't understand how to get to it...can you please show me in ...
Sunday, March 15, 2009 at 4:20pm by physics

physics
Two point charges are 10.0 cm apart and have charges of 2.0 C and -2.0 C, respectively. What is the magnitude of the electric field at the midpoint between the two charges?
Tuesday, December 1, 2009 at 11:42am by Paulo

physics
Even if you can't remember the value of the Coulomb's Law constant (like me), try to remember these two important facts: (1) like charges repel; opoosite charges attract (2) The force between two charges is inversely proportional to the square of the distance, and is the same ...
Thursday, March 12, 2009 at 11:09am by drwls

physics please help
Three point charges, 5.6E-6, 2.2E-6, and -3.0E-6, lie along the x-axis at 0.00 m, 0.031 m, and 0.059 m. What is the force exerted on q1 by the other two charges? What is the force exerted on q2 by the other forces? And what is the force exerted on q3 by the other two charges? ...
Tuesday, March 22, 2011 at 6:40pm by alisha

Chemistry
I'm stuck on the concept of negative and positive charges. A dish has 10 + charges and 10 - charges. 2 of the negative charges are taken away. What is the overall charge? I think the answer is 2+ charges
Tuesday, September 9, 2008 at 8:27am by Glenn

Physics Need Help PLEASE
Two point charges are separated by 8 cm. The attractive force between them is 14 N. If the two charges attracting each other have equal magnitude, what is the magnitude of each charge?
Monday, April 9, 2012 at 2:36pm by Jake

Physics
Hi, I solved this problem, but I want to make sure it is correct: 2 equal charges are separated by 3.7x10^-10m. The force between the charges has magnitude of 2.37x10^-3N.What is the magnitude of q on the charges? F= ( k x q x q)/ (r^2) F=2.37 c 10^3 N k= 9 x 10^9 r= 3.7 x 10...
Monday, June 20, 2011 at 9:17pm by Anonymous

Physics
Yes, and it will depend upon how you define the positive direction and where you are in between the charges. It also depends upon whether the charges have the same or opposite sign. Please ignore the disruptive comments and uninformed answers of "gothgirl", who will be dealt ...
Wednesday, January 18, 2012 at 10:51pm by drwls

physics
There's a problem my professor assigned, but I'm not sure which equation/process I should use to solve it. Please help. Two particles having charges of 0.420nC and 15.1nC are separated by a distance of 1.50m. At what point along the line (in m from the particle with .420nC ...
Tuesday, February 2, 2010 at 2:58pm by Nicole

Physics
Two particles having charges of +0.500nC and +8.00nC are seperated by a distance of 1.20m. (a) at what point along the line connecting the two charges is the net electric field due to the two charges equal to zero? (b) where would the net electric field be zero if one of the ...
Wednesday, July 8, 2009 at 10:51am by Sarah

chemistry
Draw the Lewis structure of NO2- Assign formal charges to each atom in the O3 molecule shown below. Be sure to click the +/- button below (it will turn yellow when activated) before clicking on the molecule. .. .. .. :O--O==O .. .. Based on formal charges, what is the best ...
Friday, November 14, 2008 at 10:26pm by mandy

chemistry
Draw the Lewis structure of NO2- Assign formal charges to each atom in the O3 molecule shown below. Be sure to click the +/- button below (it will turn yellow when activated) before clicking on the molecule. .. .. .. :O--O==O .. .. Based on formal charges, what is the best ...
Friday, November 14, 2008 at 10:26pm by mandy

Physics
Pint charges or point charges? What figure below?
Sunday, September 5, 2010 at 6:08pm by drwls

physics
When point charges q1 = +5.4 C and q2 = +8.3 C are brought near each other, each experiences a repulsive force of magnitude 0.69 N. Determine the distance between the charges. i used the eqution F=k(q1)(q2)/r^2 . i got 7.64E5 but it is not right .can you please help
Sunday, September 18, 2011 at 6:05pm by kim taylor

Physics Important please
Four charges are arranged at the corners of a regular tetrahedron (a pyramid with four sides that are identical equilateral triangles). The charges are 1 Coulomb each, and the sides of the tetrahedron are all 1 meter. How much energy in Joules is required to assemble this ...
Friday, November 8, 2013 at 9:41pm by rosan

Physics
Why do electric field lines begin on positive charges and end on negative charges?
Thursday, February 16, 2012 at 3:50pm by Ashley

physics
The magnitude of the charges is |q| = 7.8 µC, and the distance between them is d = 2.7 mm. Charge 2 is attracted to charge 1, because they are opposite charges. Charge 2 is repelled from charge 3, because they are like charges. Therefore, both 21 and 23 point to the left...
Sunday, January 21, 2007 at 1:29pm by Ann

Physics
Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle, as the drawing shows. The magnitude of each of the charges is 4.0 C, and the lengths of the sides of the triangle are 4.7 cm. ...
Saturday, January 21, 2012 at 3:43pm by Junior

Physics
Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle, as the drawing shows. The magnitude of each of the charges is 4.0 C, and the lengths of the sides of the triangle are 4.7 cm. ...
Saturday, January 21, 2012 at 3:43pm by Junior

Physics
If the force between two charges decreases by a factor of 100 because the charges are moved further apart
Tuesday, February 18, 2014 at 6:03pm by Jake

Physics
the charges an coodinates of two points charges located in x-y palne are : q1=+3*10^-6 C ; x=+3.5 cm . y=+0,5 cm and q2=-4*10^ -6 C; x= - 2 cm y=+1.5 cm . (a)Find the electric potential at the origin(b)How much work must be done to locate these charges at their given positions...
Wednesday, February 22, 2012 at 7:09pm by Jc

physics
Two charges, -37 µC and +3 µC, are fixed in place and separated by 2.8 m. (a) At what spot along a line through the charges is the net electric field zero? Locate this spot relative to the positive charge. (Hint: The spot does not necessarily lie between the two ...
Tuesday, January 23, 2007 at 6:34pm by Ann

Physics
Two equal charges are separated by 3.7 x 10^-10 m. The force between the charges has a magnitude of 2.37 x 10^-3 N. What is the magnitude of q on the charges? can some one explain to me how to do this step by step. Not that great at math hope you can help. Thanks
Thursday, October 13, 2011 at 8:15am by aichan

Physics
Two charges A and B are fixed in place, at different distances from a certain spot. At this spot the potentials due to the two charges are equal. Charge A is 0.24 m from the spot, while charge B is 0.37 m from it. Find the ratio qB/qA of the charges.
Wednesday, June 13, 2012 at 8:10pm by Beth

Physics
Two charges A and B are fixed in place, at different distances from a certain spot. At this spot the potentials due to the two charges are equal. Charge A is 0.22 m from the spot, while charge B is 0.54 m from it. Find the ratio qB/qA of the charges. Help!
Sunday, September 30, 2012 at 4:26pm by Anthony

Physics
Two charges A and B are fixed in place, at different distances from a certain spot. At this spot the potentials due to the two charges are equal. Charge A is 0.22 m from the spot, while charge B is 0.54 m from it. Find the ratio qB/qA of the charges. Help!
Sunday, September 30, 2012 at 4:26pm by Anonymous

physics
Two charges A and B are fixed in place, at different distances from a certain spot. At this spot the potentials due to the two charges are equal. Charge A is 0.22 m from the spot, while charge B is 0.54 m from it. Find the ratio qB/qA of the charges. Help!
Sunday, September 30, 2012 at 8:05pm by anthony

physics
help! Two charges A and B are fixed in place, at different distances from a certain spot. At this spot the potentials due to the two charges are equal. Charge A is 0.22 m from the spot, while charge B is 0.54 m from it. Find the ratio qB/qA of the charges.
Thursday, October 11, 2012 at 8:14pm by alex

physics PLEASE HELP
find the E from each, and add. Remember the direction of E fields (the direction a positive test charge will go, which is away from positive charges, and toward negative charges). Sketch the diagram, to make certain you add them correctly (they should be in the same direction ...
Saturday, January 12, 2013 at 10:30pm by bobpursley

Physics
Three point charges, +6.7e-6, +2.5e-6, and -3e-6, lie along the x-axis at 0 cm, 2.4 cm, and 5.7, repectively. What is the force exerted on q1 by the other two charges? (to the right is positive) . The coulomb constant is 8.99*10^9 N*m^2/C^2 What is the force exerted on q2 by ...
Tuesday, May 1, 2012 at 9:43pm by Justin

Physics
If an electric force of 550N is produced from two charges, one is 345C, the other is 125C. How far apart are the charges?
Thursday, April 11, 2013 at 11:11pm by Andrea

physics
There will be five charges spaced 45 degrees apart along the semicircle. In order to compute the net force by vector addition, you will need to know which have + and which have - charges. If they all have the same charge, or if the charges alternate +, -, + , -, + around the ...
Tuesday, February 10, 2009 at 7:23pm by drwls

physics
Use Coulomb's law to get the force. F = k Q1 Q2/R^2 The Q's are the two charges. R is the distance between the charges, which is sqrt [2^2 + 3^2]= sqrt13 cm The direction of the force is along the vector from the 2*10^-6 charge to the 1*10^-6 charge, since it is a repulsive ...
Friday, November 27, 2009 at 2:06pm by drwls

Physics
Two charges are placed on the x axis. One of the charges (q1 = +8.71C) is at x1 = +3.00 cm and the other (q2 = -28.6C) is at x2 = +9.00 cm. Find the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b) x = +6.00 cm. Please help!
Friday, September 28, 2012 at 1:15pm by Alex

physics
Please help! Two charges are placed on the x axis. One of the charges (q1 = +8.71C) is at x1 = +3.00 cm and the other (q2 = -28.6C) is at x2 = +9.00 cm. Find the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b) x = +6.00 cm.
Tuesday, October 2, 2012 at 8:41pm by alex

physics PLEASE HELP
Two charges are placed on the x axis. One of the charges (q1 = +7.91C) is at x1 = +3.00 cm and the other (q2 = -27.3C) is at x2 = +9.00 cm. Find the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b) x = +6.00 cm.
Saturday, January 12, 2013 at 10:30pm by Anonymous

Physics
A thundercloud has an electric charge of 43.2 C near the top of the cloud and -38.7 C near the bottom of the cloud. The magnitude of the electric force between these two charges is 3.95 x 106 N. What is the average separation between these charges? (kc = 8.99 109 N m2 / C2...
Wednesday, February 20, 2013 at 6:23pm by Michelle

physics
Three equal charges are placed at the corners of an equilateral triangle 0.46 m on a side. What are the magnitude of the force on each charge if the charges are each -4.110-9 C?
Thursday, January 21, 2010 at 12:09pm by farah

physics
four equal charges of 10microculomb is placed in4 corners of a square of side 0.2m. Calculate the force at any one of the charges..........
Sunday, May 22, 2011 at 9:19am by jeena

college physics
Two charges are placed on the x axis. One of the charges (q1 = +8.71C) is at x1 = +3.00 cm and the other (q2 = -28.6C) is at x2 = +9.00 cm. Find the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b) x = +6.00 cm. Please help!
Friday, September 28, 2012 at 1:14pm by Alex

Science
Two point charges are 10.0 cm apart and have charges of 2.0 μC and 2.0 μC, respectively. What is the magnitude of the electric field at the midpoint between the two charges? 8.99*10^9(2*10^-6/.025)=719200 Two equal charges are separated by 3.7 x 10-10 m. The force ...
Sunday, January 15, 2012 at 11:57am by Anonymous

Physics
Two point charges Q1 and Q2 are 4C. They are 10cm apart. At what distance betwen the charges the net electric field will be zero?
Sunday, January 8, 2012 at 7:43am by Nuwaya

Physics
You are given two unknown point charges, Q1 and Q2. At a point on the line joining them, one-third of the way from Q 1 to Q2, the electric field is zero. Are Q1 and Q2 like or unlike charges? How many times greater is Q2 than on Q1? I am really confused on this problem. Please...
Thursday, February 22, 2007 at 4:16pm by Nat

Physics
Help please, Four charges are placed at the four corners of a square of side 15 cm.The charges on the upper left and right corners are +3 uC and -6 uC respectively. The charges on the lower left and right corners are -2.4uC and-9 uC respectively. The net force on -6uC charge ...
Saturday, April 27, 2013 at 10:25am by daryl

physics
Two charges are located along the x-axis. One has a charge of 6.2 C, and the second has a charge of −3.1 C. The Coulomb constant is ke = 8.98755 10 9 N m2 /C 2 The acceleration of . gravity is 9.81 m/s 2 . If the electrical potential energy associated with the pair ...
Monday, April 11, 2011 at 9:04pm by Jack

physics 2
Two charges, -17 and +3.6 C, are fixed in place and separated by 3.2 m. (a) At what spot along a line through the charges is the net electric field zero? Locate this spot relative to the positive charge. (Hint: The spot does not necessarily lie between the two charges.) (b) ...
Monday, July 2, 2012 at 6:52pm by Natasha

physics
Two charges, -17 and +3.6 C, are fixed in place and separated by 3.2 m. a) At what spot along a line through the charges is the net electric field zero? Locate this spot relative to the positive charge. (Hint: The spot does not necessarily lie between the two charges. (b) ...
Tuesday, July 3, 2012 at 5:22pm by Natasha

physics
two point charges have a total charge of 277 C. When placed 2.00 m apart, the force each exerts on the other is 20.8 N and is repulsive. what are the charges on both?
Tuesday, January 25, 2011 at 5:52pm by Jose

physics
When point charges q1 = +8.9 C and q2 = +5.4 C are brought near each other, each experiences a repulsive force of magnitude 0.71 N. Determine the distance between the charges.
Thursday, September 1, 2011 at 9:20pm by Eric Gordon

Physics/Charges
Point charges Q1 = 50 C and Q2 = -20 C are placed 2 meters apart. Where can I put a third charge so that the net electrical force on it is zero?
Monday, February 4, 2013 at 9:22pm by Lindsey

physics
please tell me if thsi si correct Two equal charges are seperated by 3.7 * 10^-10 m. the force between the charges has a magnitude of 2.37 * 10^-3 N. What is the magnitude of q on the changes? f=1/4pi Er * q^2/r^2 2.37 * 10^-3 = 9*10^9 * q^2 ______________ (3.7 * 10^-10)^2 3....
Tuesday, March 17, 2009 at 6:32pm by physics

Physics (SO CONFUSED!!!)
I think I'm using the wrong formulas or SOMETHING... Here's the question: "Two equal charges are separated by 3.7 10^-10 m. The force between the charges has a magnitude of 2.37 10^-3 N. What is the magnitude of q on the charges?" Here's my work: F = kc(q1q2/r^2) 2.37 x 10...
Thursday, May 7, 2009 at 3:16am by Judy

Physics
A positive charge +q is located to the left of a negative charge -q. On a lne passing through the two charges there are two places where the total potential is zero. The first place is between the charges and is 3.8 cm to the left of the negative charge. The second place is 7....
Monday, January 24, 2011 at 7:04pm by Sam

Physics
Coulumb's Law is the equation to use. F = k Q1 Q2/R^2 The Q's are the two charges. R is the separation. k is the Coulomb constant, which you should look up. Opposite-sign charges attract
Saturday, March 14, 2009 at 3:39am by drwls

physics
Four identical charges (+4.0 uC each) are brought from infinity and fixed to a straight line. The charges are located 0.33m apart. Determine the electric potential energy of this group.
Wednesday, February 3, 2010 at 6:37pm by Allee

physics
The figure below shows four charges located at the corners of a square with sides of length a = 8.0 cm. If the charges q1, q2, q3, and q4, are all 4.0 Coulomb, then:
Sunday, February 13, 2011 at 8:57pm by jg

Physics
When point charges q1=+8.4uC and q2=+5.6uC are brought near each other, each experiences a repulsive force of magnitude 0.66N. Determine the distance between the charges.
Wednesday, August 28, 2013 at 9:08am by sarah

Physics
When point charges q1=+8.4uC and q2=+5.6uC are brought near each other, each experiences a repulsive force of magnitude 0.66N. Determine the distance between the charges.
Wednesday, August 28, 2013 at 9:14am by sarah

Physics
When point charges q1=+8.4uC and q2=+5.6uC are brought near each other, each experiences a repulsive force of magnitude 0.66N. Determine the distance between the charges.
Wednesday, August 28, 2013 at 9:15am by sarah

physics
two point charges +q and -q are separated by a distance d. aside from infinity, where else is the potential due to these two charges?
Monday, November 18, 2013 at 10:46pm by Anonymous

Physics
how the electric force between tow positive charges changes under the distance between the charges in tripled
Monday, September 20, 2010 at 10:54pm by maryam

physics
charging by induction creates charge by transferring charges from one object to another OR separates charges within an object
Monday, March 28, 2011 at 11:37pm by Sejul

Physics
Charges of -10.8 nC and -24.2 nC are separated by 0.813 m. What is the potential midway between the two charges?
Tuesday, January 31, 2012 at 10:16pm by Ashley

Physics
What is the electrostatic force between a +1x10^-6C group of charges and another -2x10^-6 C group of charges located 0.3 m apart?
Tuesday, February 12, 2013 at 1:57pm by Rebecca

Physics
Two charges are located along the x-axis. One has a charge of 6.3 μC, and the second has a charge of −3.4 μC. If the electrical potential energy associated with the pair of charges is −0.043 J,what is the distance between the charges? The value of the ...
Tuesday, March 6, 2012 at 8:57pm by Willow

physics
Four identical charges (+2.0C each) are brought in from infinity and fixed to a straight line. The charges are located 0.40 meters apart. Determine the electric potential energy of this group.
Thursday, February 4, 2010 at 2:30pm by Eddy

physics
Consider the three electric charges, A, B, and C, shown in the figure. A-----------B-----------C -q +q +q The Distance between is same. Rank charges from largest to smallest magnitude of the net force they experience and can any one tell me how?
Thursday, January 13, 2011 at 10:10pm by Cassie

physics 2
Suppose that now the magnetic field is reversed, i. e., it is coming out of the page. The charges q1 and q2 are positive, and the charges q3 and q4 are negative. How many of the display paths are incorrect?
Wednesday, May 1, 2013 at 11:27am by millah

math
If shipping charges to certain point 62 cents for the first five ounces and 8 cents for each additional ounce, the weight of a package, in pounds, for which the charges are $1.66 is not just an answer please A.7/8 B.1 C.1 1/8 D.1 1/4 E.1 1/2
Monday, July 29, 2013 at 8:41pm by vincent

Physics
Two points charges of 2uC and -6uC are located at the position(0.0)m and (0.3)m.Calculate the total electrical potential at the point (4.0)m due these two charges.
Monday, January 17, 2011 at 1:34pm by Joel

physics
Two electrostatic point charges of 83 C and 50 C exert a repulsive force on each other of 175 N. What is the distance between the two charges?
Thursday, March 1, 2012 at 9:22am by anne

Physics
Two identical point charges are fixed to diagonally opposite corners of a square that is 0.6 m on a side. Each charge is +2.5 C. How much work is done by the electric force as one of the charges moves to an empty corner?
Wednesday, August 31, 2011 at 8:24pm by Jim

physics
The figure below shows four charges located at the corners of a square with sides of length a = 8.0 cm. If the charges q1, q2, q3, and q4, are all 4.0 Coulomb, then: find the x and y components
Sunday, February 13, 2011 at 8:57pm by jg

physics
Four charges are placed at the four corners of a square of side 15 cm. The charges on the upper left and right corners are +3 C and -6 C respectively. The charges on the lower left and right corners are -2.4 C and -9 C respectively. The net electric force on -6 C charge is:
Wednesday, May 11, 2011 at 8:53pm by ashley --- HELP PLEASEE!!!

physics
The two charges should be placed at diagonally opposite corners, because in that case the open corners are equidistant from the positive and the negative charges, so there is no effect on the potential there.
Tuesday, July 8, 2008 at 9:45pm by drwls

physics
The electric field midway between two equal but opposite point charges is 825 N/C, and the distance between the charges is 9 cm. What is the magnitude of the charge on each?
Sunday, January 16, 2011 at 7:33pm by stesha

Physics
The drawing shows an equilateral triangle, each side of which has a length of 2.20 cm. Point charges are fixed to each corner, as shown. The 4.00 C charge experiences a net force due to the charges qA and qB. This net force points vertically downward and has a magnitude of ...
Monday, March 24, 2014 at 6:29pm by Joe Santhosh

physics
pls help me solve this problem.. charges of +2.0, 3.0 and -8.0C are placed at the vertices of an equilateral triangle of a side 10 cm. Calculate the magnitude of the force acting on the -8C charge due to the other two charges.
Monday, January 24, 2011 at 12:36am by Joanna Luz

Physics
Determine the electric potential energy for the array of three charges shown in the drawing, relative to its value when the charges are infinitely far away. (Let q1 = 8.48 C, q2 = 19.2 C, and q3 = -16.1 C.)
Friday, April 5, 2013 at 9:09pm by Emilie

Physics
Determine the electric potential energy for the array of three charges shown in the drawing, relative to its value when the charges are infinitely far away. (Let q1 = 8.48 C, q2 = 19.2 C, and q3 = -16.1 C.)
Sunday, April 7, 2013 at 1:19pm by Emilie

Physics
The electric field midway between two equal but opposite point charges is 1000 N/C, and the distance between the charges is 16.0 cm. What is the magnitude of the charge on each?
Thursday, February 22, 2007 at 3:56pm by Nat

physics(urgent help)
forceelectric=kqq/a^2 I wonder what the magnitude of the two negative charges is? forcgravity= GMM/a^2 YOu did not specify the masses of the charges. forceelectric/forcemagnetic= k/G * qq/MM
Friday, May 20, 2011 at 3:35pm by bobpursley

physics
two charges originally separated by 10cm are moved further apart untill the force between them has decreased by a factor of 10. How far apart are these charges?
Thursday, April 25, 2013 at 8:19pm by radiant

physics
A circle with a radius of R is inscribed in a square. On the corner of the square are point charges of +q, +q, -q, and +q. On the circle are charges of +2q, +2q, -q, and +q. (See sketch.) If q = 4.8 micro-coulombs, and the total potential at the center of the circle due to all...
Friday, February 10, 2012 at 8:31am by Mandaleigh

Physics
A positive charge +q1 is located to the left of a negative charge -q2. On a line passing though the two charges, there are two places where the total potential is zero. The first place is between the charges and is 4.03 cm to the left of the negative charge. The second place ...
Saturday, July 14, 2012 at 1:03am by CombatVetUSMC

Physics
When point charges q1 = +3.1 C and q2 = +5.1 C are brought near each other, each experiences a repulsive force of magnitude 0.54 N. Determine the distance between the charges.
Monday, February 18, 2013 at 11:06am by Neil

PHYSICS
(b) Two charges of magnitude 0.610 gC and 0.490 gC are in a liquid dielectric with dielectric constant e = 45.0. The charges are separated by a distance of 0.290 m. (i) What is the size of the electric force between the charges? (ii) By how many times is the electric force ...
Saturday, May 1, 2010 at 3:32am by Gary

Physics
Two identical point charges are fixed to diagonally opposite corners of a square that is .5m on a side. Each charge is 3.0E-6 C. How much work is done by the electric force as one of the charges moves to an empty corner?
Monday, October 11, 2010 at 2:49pm by Bob

physics need help please
There are 7 charges, each with q = -5 nC distributed on a circle with radius R=3cm. The center of the circle is at the origin. The charges are at angles 0o, 45o, 90o, 135o, 180o, -90o, and -45o. (Note: A charge at -135o is missing.) a) What is the net electric field at the ...
Wednesday, October 17, 2012 at 4:09pm by brandon

physics need help please
There are 7 charges, each with q = -5 nC distributed on a circle with radius R=3cm. The center of the circle is at the origin. The charges are at angles 0o, 45o, 90o, 135o, 180o, -90o, and -45o. (Note: A charge at -135o is missing.) a) What is the net electric field at the ...
Wednesday, October 17, 2012 at 4:14pm by brandon

Physics HELP!!
Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle. The magnitude of each of the charges is 3.66 μC, and the lengths of the sides of a triangle are 2.15 cm. Calculate the ...
Wednesday, October 17, 2012 at 7:50pm by Ann

Physics 221
Two fixed charges -4.0 C and -5.0 C, are separated a certain distance. a) Is the net electric field at a location halfway between the two charges: 1) directed toward the -4.0 C charge 2) Zero 3) directed toward the -5.0 C charge b) If the charges are separated by 20 cm, ...
Monday, December 30, 2013 at 12:09pm by Jamaal

college physics
There are four charges, each with a magnitude of 2.0uC. Two are postive and two are negative. The charges are fixed to the corners of a 3.0m square, one to each corner, in such a way that the net force on any charge is directed toward the center of the square. Find the ...
Thursday, September 17, 2009 at 6:35pm by erin

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