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April 20, 2014

Search: A +27 point charge is placed 6.0 from an identical +27 point charge. How much work would be required by an external force to move a +0.14 test charge from a point midway between them to a point 1.3 closer to either of the charges?

Number of results: 39,920

physics
A point charge with charge q1 is held stationary at the origin. A second point charge with charge moves from the point (x1,0) to the point (x2,y2). How much work is done by the electrostatic force on the moving point charge? Express your answer in joules. Use k for Coulomb's ...
Monday, January 24, 2011 at 10:57pm by Cassie

physics
A large conducting plate of area equal to 4.0 m^2 has an evenly distributed surface charge of + 3.4 micro coulomb on its surface.A point charge of mass equal to 5.3 x 10^-6 kg and carrying a charge of 1.2 nC is held at 10 cm above the center of the plate.Determine the ...
Saturday, September 19, 2009 at 9:50am by sandhu

physics
A large conducting plate of area equal to 4.0 m^2 has an evenly distributed surface charge of + 3.4 micro coulomb on its surface.A point charge of mass equal to 5.3 x 10^-6 kg and carrying a charge of 1.2 nC is held at 10 cm above the center of the plate.Determine the ...
Saturday, September 19, 2009 at 3:31pm by sandhu

physics
A point charge with a charge of q1=2.60uC is held stationary at the origin. A second point charge with charge q2=-4.70uC moves from the point. x=0.140m, y=0 to the point x=0.230m, y=0.290m How much work is done by the electric force on q2?
Wednesday, February 22, 2012 at 8:43am by Celine

physic
A +4 C point charge is in the x-y plane at the point (3.0 m, 0.0m) while a +10 C point charge is at the point (0.0 m, 1.0 m). (a) Express the Coulomb force on the +10 C point charge due to the +4 C charge in vector notation. (b) What is the magnitude of the force. Note: ...
Friday, January 31, 2014 at 9:43pm by Asude

physics
A point charge with charge Q1 is held stationary at the origin. A second point charge with charge moves from the point (x1, 0) to the point (x2,x2 ).
Friday, January 21, 2011 at 1:13am by Cassie

Physics
Charge A and charge B are 2.00 m apart, and charge A is +3.90 C and charge B is +4.00 C. Charge C is located between them at a certain point and the force on charge C is zero. How far from charge A is charge C?
Friday, July 16, 2010 at 4:44pm by Bill

Phyiosics
Three point charges lie in a straight line along the y-axis. A charge of q1 = -9.50 C is at y = 6.30 m, and a charge of q2 = -7.20 C is at y = -4.00 m. The net electric force on the third point charge is zero. Where is this charge located? y = m
Sunday, December 19, 2010 at 7:38pm by Ed

physics
Three point charges lie in a straight line along the y-axis. A charge of q1 = -9.20 C is at y = 6.60 m, and a charge of q2 = -8.00 C is at y = -3.90 m. The net electric force on the third point charge is zero. Where is this charge located?
Tuesday, April 23, 2013 at 9:39pm by wendlen

physics
Three point charges lie in a straight line along the y-axis. A charge of q1 = -9.80 C is at y = 6.00 m, and a charge of q2 = -8.20 C is at y = -4.10 m. The net electric force on the third point charge is zero. Where is this charge located?
Monday, April 29, 2013 at 7:30pm by John Miller

Physics
I solved it like this let charge of the ball be Q let charge of unkown ring be Q2 let the place where there is equilbrium be P. This point P is 0.25m from the ring with known charge and and hence 0.75m from the ring with unknown charge. Now applying coulomb's law at this point...
Thursday, June 13, 2013 at 4:45am by Physics Lover

Physics
An electric force of 3x10^-8N is produced from an electrostatic point charge of 4x10^-10. It is 40cm from another electrostatic point charge. What is the charge of the second point?
Thursday, April 11, 2013 at 11:15pm by Andrea

Physics
Two particles are fixed along a straight line, separated by a distance 6.0 cm. The left one has a charge +2.0 nC and the right one has a charge of +6.0 nC. You must try to locate a point where the electric field is zero. (a) What is the location of the point? (b) How far from ...
Monday, January 21, 2013 at 10:45pm by John

Physics
Two point charges are fixed on the y axis: a negative point charge q1 = -26 C at y1 = +0.21 m and a positive point charge q2 at y2 = +0.38 m. A third point charge q = +8.5 C is fixed at the origin. The net electrostatic force exerted on the charge q by the other two charges ...
Monday, January 23, 2012 at 5:13pm by Anne

Physics
Two point charges are fixed on the y axis: a negative point charge q1 = -26 C at y1 = +0.21 m and a positive point charge q2 at y2 = +0.38 m. A third point charge q = +8.5 C is fixed at the origin. The net electrostatic force exerted on the charge q by the other two charges ...
Tuesday, January 24, 2012 at 10:36am by Anne

Physics
Two point charges are fixed on the y axis: a negative point charge q1 = -26 C at y1 = +0.21 m and a positive point charge q2 at y2 = +0.30 m. A third point charge q = +8.5 C is fixed at the origin. The net electrostatic force exerted on the charge q by the other two charges ...
Friday, September 6, 2013 at 3:30pm by Sarah

Physics
Suppose a charge q is placed at point x = 0, y = 0. A second charge q is placed at point x = 6.2 m, y = 0. What charge Q must be placed at the point x = 3.1 m, y = 0 in order that the field at the point x = 3.1 m, y = 4.2 m be zero?
Sunday, July 11, 2010 at 9:43pm by laila

physics
Two point charges are fixed on the y axis: a negative point charge q1 = -22 C at y1 = +0.24 m and a positive point charge q2 at y2 = +0.37 m. A third point charge q = +7.7 C is fixed at the origin. The net electrostatic force exerted on the charge q by the other two charges ...
Thursday, January 6, 2011 at 3:31pm by michelle

physics
Two point charges are fixed on the y axis: a negative point charge q1 = -22 C at y1 = +0.24 m and a positive point charge q2 at y2 = +0.37 m. A third point charge q = +7.7 C is fixed at the origin. The net electrostatic force exerted on the charge q by the other two charges ...
Thursday, January 6, 2011 at 3:55pm by michelle

physics
Two point charges are fixed on the y axis: a negative point charge q1 = -23 C at y1 = +0.23 m and a positive point charge q2 at y2 = +0.33 m. A third point charge q = +7.8 C is fixed at the origin. The net electrostatic force exerted on the charge q by the other two charges ...
Thursday, March 29, 2012 at 8:20pm by Kelly

chemistry
It loses two electrons, one from the 4s and one from the 3d orbital, each with a negative charge. The final charge then is 29 protons (29+) and 27 electrons (27-) so it is +2 charge on the ion.
Wednesday, September 14, 2011 at 5:30pm by DrBob222

physics
Please Help, Two point charges are fixed on the y axis: a negative point charge q1 = -23 C at y1 = +0.23 m and a positive point charge q2 at y2 = +0.33 m. A third point charge q = +7.8 C is fixed at the origin. The net electrostatic force exerted on the charge q by the other...
Friday, March 30, 2012 at 10:32am by matt

Physics
A +30 C point charge is placed 32 cm from an identical +30 C charge. How much work would be required to move a +0.45 C test charge from a point midway between them to a point 11 cm closer to either of the charges?
Wednesday, October 16, 2013 at 6:47pm by Rex

physics
Point charge 2.5 is located at x = 0, y = 0.30 , point charge -2.5 is located at x = 0 and y = -0.30 . What are (a)the magnitude and (b)direction of the total electric force that these charges exert on a third point charge = 5.0 at x = 0.40 , y = 0?
Monday, January 25, 2010 at 2:19pm by Derek Abeyta

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 ...
Friday, February 10, 2012 at 8:32am by Mandaleigh

Physics
A point particle that has a charge of 12.5 C is located at x = 0, y = 0 and a point particle that has a charge q is located at x = 10.0 cm, y = 0. The electric force on a point particle that has a charge of 5.0 C at x = 20.0 cm, y = 0 is -(19.7) N . Determine the charge q.
Tuesday, January 29, 2013 at 5:41pm by Kevin

Physics
A point particle that has a charge of 12.5 C is located at x = 0, y = 0 and a point particle that has a charge q is located at x = 10.0 cm, y = 0. The electric force on a point particle that has a charge of 5.0 C at x = 20.0 cm, y = 0 is -(19.7) N . Determine the charge q.
Tuesday, January 29, 2013 at 5:57pm by Kevin

physics
a +35x10^-6 C point charge is placed 32 cm from an identical +32x10^-6 C charge. how much work would be required to move a +50.0x10^-6 C test charge from a point midway between them to a point 12 cm closer to either of the charges? please show work.
Friday, February 22, 2008 at 3:32pm by leesa

chemistry
5Fe(2+ charge) + MnO4(-1 charge) +8H(1+ charge) -> 5Fe(3+ charge) + Mn(2+ charge) + 4H2O In a titration experiment based on the equation above, 25ml of an Acidified Fe(2+ charge) solution requires 14 ml of standard .050 M MnO4(1- charge) solution to reach the equivalence ...
Wednesday, October 3, 2007 at 11:10pm by corey

Physics
A proton is moving toward a charge of + 2.8 nC. On its way in to the charge it passes Point B at 4.5 cm from the charge and then passes Point A at 1.2 cm as it gets closer to the charge. a. What is the potential difference between points B and A? b. What is the change in ...
Thursday, February 10, 2011 at 10:45pm by So Confused

physics - DAMON
a +35x10^-6 C point charge is placed 32 cm from an identical +32x10^-6 C charge. how much work would be required to move a +50.0x10^-6 C test charge from a point midway between them to a point 12 cm closer to either of the charges? so can you show me the work w/o the integrals...
Sunday, February 24, 2008 at 4:59pm by leess

physics
(a) Two point charges totaling 8.50 C exert a repulsive force of 0.100 N on one another when separated by 0.839 m. What is the charge on each? smallest charge (C) largest charge (C) (b) What is the charge on each if the force is attractive? smallest charge (C) largest ...
Saturday, August 24, 2013 at 11:50pm by Justin

physics
(a) Two point charges totaling 8.50 C exert a repulsive force of 0.100 N on one another when separated by 0.839 m. What is the charge on each? smallest charge (C) largest charge (C) (b) What is the charge on each if the force is attractive? smallest charge (C) largest ...
Monday, August 26, 2013 at 12:09am by Justin

Physics
A point charge of charge 1 mC and mass 100 g is attached to a non-conducting massless rod of length 10 cm. The other end of the rod is attached to a two-dimensional sheet with uniform charge density σ and the rod is free to rotate. The sheet is parallel to the y-z plane (...
Tuesday, May 14, 2013 at 11:40pm by Nilesh P.

Physics
A point charge of charge 1 mC and mass 100 g is attached to a non-conducting massless rod of length 10 cm. The other end of the rod is attached to a two-dimensional sheet with uniform charge density σ and the rod is free to rotate. The sheet is parallel to the y-z plane (...
Wednesday, May 15, 2013 at 5:33am by hans

science physics
1.) What is the Magnitude of the electrostatic force on a +5 C charge 1.75 m to the left of a -2.5 C charge? (show your work) 2.) In What direction does the force on the +5 C charge act? 3.)Calculate the magnitude of the electric field of the -2.5 C charge at the location of ...
Tuesday, May 14, 2013 at 10:42am by Todd

Pyhsic...Elena,please help....
A point charge of charge 1 mC and mass 100 g is attached to a non-conducting massless rod of length 10 cm. The other end of the rod is attached to a two-dimensional sheet with uniform charge density σ and the rod is free to rotate. The sheet is parallel to the y-z plane (...
Wednesday, May 15, 2013 at 5:57am by pyhsicamateur

physics
Two point charges +4q and +q are placed 30 cm apart. At what point on the line joining them is the electric field zero? (a) 15 cm from charge 4q (b) 20 cm from charge 4q (c) 7.5 cm from charge q (d) 5 cm from charge q
Wednesday, May 11, 2011 at 8:22pm by ashley --- HELP PLEASEE!!!

physics
Two point charges +4q and +q are placed 30 cm apart. At what point on the line joining them is the electric field zero? (a) 15 cm from charge 4q (b) 20 cm from charge 4q (c) 7.5 cm from charge q (d) 5 cm from charge q
Wednesday, May 11, 2011 at 8:35pm by ashley --- HELP PLEASEE!!!

physics
An electric force moves a charge of +1.85 10-4 C from point A to point B and performs 6.70 10-3 J of work on the charge. (a) What is the difference (EPEA - EPEB) between the electric potential energies of the charge at the two points?
Tuesday, March 12, 2013 at 11:31pm by Anonymous

Physics
Since the E-field is pointed along the +x axis at locationa along the x axis, the point charge that causes the field but also be on the x axis. The distance from the point charge to (5,0) must be sqrt (2/3) = 0.8165 times the distance from the point to (10,0), because the ...
Sunday, February 7, 2010 at 5:22pm by drwls

Physics
A +35 C charge is placed 42 cm from an identical +35 C charge. How much work would be required to move a +0.55 C test charge from a point midway between them to a point 8 cm closer to either of the charges?
Monday, February 4, 2013 at 10:08pm by Anonymous

physics
A +30 C charge is placed 44 cm from an identical +30 C charge. How much work would be required to move a +0.69 C test charge from a point midway between them to a point 14 cm closer to either of the charges?
Tuesday, January 17, 2012 at 10:02pm by Nick

physics E&M
I posted a question on here earlier but I wasn't able to solve from what the person had told me. 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...
Friday, January 27, 2012 at 8:00pm by aaron b. (again sorry)

physics
Consider point charges + Q and +9Q, which are separated by 12 meters. At what point, on a line between the two charges, would it be possible that the electric field would be zero. A. There is no such point possible B. 9 meters from the +Q charge C. 9 meters from the +9 Q ...
Tuesday, July 21, 2009 at 5:49pm by TJ

Physics
The work done by an external force to move a -7.75 C charge from point a to point b is 25.0 * 10-4 J. If the charge was started from rest and had 4.73*10-4 J of kinetic energy when it reached point b, what is the magnitude of the potential difference between a and b?
Monday, February 22, 2010 at 10:13pm by SHUBHANGI

PHYSICS
Two point charges are placed on the x axis as follows: Charge q1= 4.20 is located at x= 0.185 , and charge q2= 4.80 is at x= -0.280 . What are the magnitude and direction of the net force exerted by these two charges on a negative point charge A = -0.625placed at the origin?
Wednesday, September 19, 2012 at 11:53pm by Anonymous

Physics
An electric dipole (any pair of oppositely charge point particles) lies on the x-axis, consisting of a - 2.5nC charge at x = -10 cm, and a +2.5nC charge at x=10cm. Find the electric field (a) on the x-axis, at the point (20,0) and (b) on the y-axis, at point (0,10).
Thursday, April 4, 2013 at 6:04pm by Jayflord

Physics
What is the electric force between a +2 C point charge and a 2 C point charge if they are separated by a distance of 5.0 cm? Show your work. (C = 1.0 106 C)
Wednesday, May 22, 2013 at 10:31am by Staci

physics
A helium nucleus (charge = 2e, mass = 6.63 10-27 kg) traveling at a speed of 6.20 105 m/s enters an electric field, traveling from point circle a, at a potential of 1.50 103 V, to point circle b, at 4.00 103 V. What is its speed at point circle b?
Friday, January 29, 2010 at 8:20am by Cal

physics
Point X and Y are 30.0 mm and 58.0 mm away from a charge of +8.0 C. a. How much work must be done in moving a +2.0 C charge from point Y to point X? b. What is the potential difference between points X and Y? c. Which point is at the higher potential?
Tuesday, May 15, 2012 at 7:37pm by myra

physics
Point X and Y are 30.0 mm and 58.0 mm away from a charge of +8.0 C. a. How much work must be done in moving a +2.0 C charge from point Y to point X? b. What is the potential difference between points X and Y? c. Which point is at the higher potential?
Wednesday, May 16, 2012 at 9:37am by myra

Physics
Find the total electric force on a +q charge placed at x_0 due to the line charge and the point charge
Tuesday, April 12, 2011 at 12:49am by alejandro

Physics
Find the total electric force on a +q charge placed at x_0 due to the line charge and the point charge
Wednesday, April 13, 2011 at 12:26am by Alejandro1

physics
A point charge Q= 4.60 uC is held fixed at the origin. A second point charge q=1.20 uC with mass of 2.80 * 10^-4 is placed on the x-axis 0.250 m away from the origin. (b) The second point charge is released from rest. What is its speed withn its distance from the origin is (i...
Monday, January 28, 2008 at 10:23pm by J

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 ...
Saturday, December 8, 2012 at 9:48pm by lola

Physics-Please help with formula
Electric field To help visualize how a charge, or a collection of charges, influences the region around it, the concept of an electric field is used. The electric field E is analogous to g, which we called the acceleration due to gravity but which is really the gravitational ...
Friday, February 25, 2011 at 4:22pm by Damon

Physics
Three concentric rings and one point charge are in the same plane as shown in the above diagram. The linear charge densities of the rings are 1 = 2.60nC/m, 2 = -1.10nC/m, and 3 = 2.20nC/m with corresponding radii of r1 = 86.0cm, r2 = 64.0cm, and r3 = 46.0cm. The point ...
Thursday, January 17, 2013 at 5:46pm by Nick

physics, help urgent!
charge Q = +4.5 C is located at the origin and is fixed so that it cannot move. A small object with mass m = 2.0 g and charge q = +8.0 C is released from rest at point A on the x-axis at x = 2.0 cm. The small object moves without friction along the x-axis under the ...
Wednesday, November 14, 2012 at 2:55pm by Brette

physics
charge A has a charge of 2C, Charge B has a charge of -3C and is located 1 meter to the right of A. Charge C is located 1 meter to the right of charge B and has a charge of -1C. if a fourth charge (charge D) is placed 4 meters to the right of charge B, how much charge must it ...
Monday, February 11, 2013 at 5:42pm by chris

physics
Charge A has a charge of +2C. Charge B has a charge of -3C and is located 1 meter to the right of A. Charge C is located 1 meter to the right of Charge B and has a charge of -1C. If a fourth charge (Charge D) is placed 4 meters to the right of Charge B, how much charge must it...
Thursday, August 8, 2013 at 12:06pm by Jason

Physics
Charge A has a charge of +2C. Charge B has a charge of -3C and is located 1 meter to the right of A. Charge C is located 1 meter to the right of Charge B and has a charge of -1C. If a fourth charge (Charge D) is placed 4 meters to the right of Charge B, how much charge must it...
Thursday, August 8, 2013 at 7:03pm by J

science - physics
A potential charge of magnitude 2.0uC is moved between two points X and Y Point X is at a potential of 6.0V and Point Y is at a potential of 9.0 V Find the gain in potential energy of Point charge
Saturday, May 4, 2013 at 5:38am by BINA

physics charges. please help!
A charge Q = +4.5 uC is located at the origin and is fixed so that it cannot move. A small object with mass m = 2.0 g and charge q = +8.0 uC is released from rest at point A on the x-axis at x = 2.0 cm. The small object moves without friction along the x-axis under the ...
Monday, November 12, 2012 at 11:11pm by Matt

Physics Please Help
A point charge of charge 1 mC and mass 100 g is attached to a non-conducting massless rod of length 10 cm. The other end of the rod is attached to a two-dimensional sheet with uniform charge density σ and the rod is free to rotate. The sheet is parallel to the y-z plane (...
Saturday, May 18, 2013 at 3:37am by Mathslover

Physics
A)When point charges q1 = +1.5 C and q2 = +5.7 C are brought near each other, each experiences a repulsive force of magnitude 0.77 N. Determine the distance between the charges. B)Two point charges are fixed on the y axis: a negative point charge q1 = -29 C at y1 = +0.21 m ...
Saturday, October 1, 2011 at 2:12pm by Kelli

physics
The physics of electric field between two charges. What is the magnitude and direction of the electric field at a point midway between a -8.0 C charge and a +6.0 C charge? The -8.0 C charge is 4.0 cm to the left of the +6.0 C charge. If a charge of -2.0 C was placed at ...
Thursday, April 28, 2011 at 12:57am by aly

Physics. Please please help!
A charge Q = +4.5 uC is located at the origin and is fixed so that it cannot move. A small object with mass m = 2.0 g and charge q = +8.0 uC is released from rest at point A on the x-axis at x = 2.0 cm. The small object moves without friction along the x-axis under the ...
Wednesday, November 14, 2012 at 11:34pm by Kyle

physics
A positive point charge and a negative point charge have equal magnitudes. One charge is fixed to one corner of a square, and the other is fixed to another corner. On which corners should the charges be placed, so that the same potential exists at the empty corners? What is ...
Tuesday, July 8, 2008 at 9:45pm by H

science
Two point charges are placed on the x-axis a follows: charge q1= +4.00nC is located at x=0.200m, and charge q2= +5.oonC is at x=-0.300m. What are the magnitude and direction of the total force exerted by these two charges on a negative point charge q3= -6.00nC that is placed ...
Thursday, December 13, 2012 at 9:56am by jay

physic
two point charges are placed on the x axis as follows: charge q1 +4.00nc is located at x = 0.200m, and charge q2 = +5.00nc is at x = -0.300m what are the magnitude and directionof the net force exerted by these two charges on a negative point charge q3 = -0.600nc placed at the...
Tuesday, February 12, 2013 at 5:05pm by yanis

physics
A point charge of +1 C is located at x = −2 cm and a second point charge of −8 C is located at x = 6 cm. Where should a third charge of +1 C be placed so that the electric field at x = 0 cm is zero?
Tuesday, January 15, 2013 at 10:22pm by Alyssa

physics
a point charge q1= -4.00nC is at a point (0.6,0.8) in the xy axis, and a second point charge q2=4.73nC is at the point (0.6,0), calculate the magnitude and direction of the net electric field at the origin due to these two points. Ive tried calculating the two separate ...
Monday, December 5, 2011 at 2:17pm by mo

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
At what separation is the electrostatic force between a +11.5 mu C point charge and a +29.2 mu C point charge equal in magnitude to 1.90 N?
Sunday, April 3, 2011 at 9:24pm by Noman

Physics
At what separation is the electrostatic force between a +11.5 \mu C point charge and a +29.2 \mu C point charge equal in magnitude to 1.90 N?
Tuesday, April 5, 2011 at 8:25pm by Lola

Physics
In the equations listed they are refering to a point charge which is different then that of 1.6*10^-19. If I were to use that in the equation it would not work. The point charge in the example is 5.00*10^-6 C
Friday, February 18, 2011 at 3:52pm by Greg

Physics 112
Moving a charge from point A, where the potential is 370V , to point B, where the potential is 190V , takes 4.110−4J of work. Part A What is the value of the charge?
Thursday, January 30, 2014 at 12:13am by Phil

Physics
moving a charge from point a,where the potential is 300v, to point b,where the potential is 150v takes 4.5x 10-4 J ofwork. What is the value of the charge?
Tuesday, January 22, 2013 at 4:05pm by Lawrence

physics
A point charge of -8.4 C is at the origin. a)What is the electric potential due to this charge at (x,y) = (3.5 m, 0 m) b) What is the electric potential due to this charge at (x,y) = (-3.5 m, 0 m) c) What is the electric potential to this charge at (x,y) =(3.5 m, -3.5 m)? For...
Friday, September 16, 2011 at 4:56pm by sonia

math
average daily balance . find the credit card finance charge for the month of august (31 days) the annual interest rate is 18% July 31 balance $510 August 9 charge $86 August 10 payment $390 August 22 charge 147 August 27 charge $14
Saturday, February 2, 2013 at 2:35pm by medlin

physics
Two point charges are placed on the x axis as follows: Charge q1= +4.00 nC is located at x= 0.200 m, and charge q2= +5.00nC is at x= -0.300 m. What are the magnitude and direction of the net force exerted by these two charges on a negative point charge q3= -0.600 nC placed at ...
Monday, January 21, 2008 at 12:50pm by Jen

physics
WA -10.0 nC point charge and a +20.0 nC point charge are 15.0cm apart on the x-axis.hat is the electric potential at the point on the x-axis where the electric field is zero?
Wednesday, September 4, 2013 at 2:25pm by abby

Science
Use the following values for mass and charge: an electron has mass me = 9.1110-31 kg and charge -e, a proton has mass mp = 1.6710-27 kg and charge +e, an alpha particle has mass malpha = 6.6510-27 kg and charge +2e, where e = 1.6010-19 C. An electron is released from rest ...
Wednesday, February 6, 2013 at 10:23pm by R

Science
Use the following values for mass and charge: an electron has mass me = 9.1110-31 kg and charge -e, a proton has mass mp = 1.6710-27 kg and charge +e, an alpha particle has mass malpha = 6.6510-27 kg and charge +2e, where e = 1.6010-19 C. An electron is released from rest ...
Wednesday, February 6, 2013 at 10:30pm by R

College Physics
What must be the distance in meters between point charge q1 = 25.6 C and point charge q2 = -69.6 C for the electrostatic force between them to have a magnitude of 8.50 N?
Friday, July 6, 2012 at 10:34pm by Stephanie3

physics
A runner dashes from the starting line (x = 0) to a point 125 m away and then turns around and runs to a point 27 m away from the starting point in 27 seconds. To the nearest tenth of a m/s what is the average speed?
Tuesday, August 31, 2010 at 12:47am by mhli

physics
The electric field at the point and points in the positive direction with a magnitude of 8.00 . At the point and the electric field points in the positive direction with a magnitude of 12.0 . Assume this electric field is produced by a single point charge. What is the charge ...
Tuesday, February 16, 2010 at 7:13pm by Adam

physics
The work done by an electric force in moving a charge from point A to point B is 2.76 10-3 J. The electric potential difference between the two points is VA − VB = 47.5 V. What is the charge
Wednesday, January 12, 2011 at 11:24am by michelle

physics 2
So I assume you have calculus based physics. integrate the charge thru and angle. let theta begin at the bottom rotate 90 deg for all the neg charge, then from 90 to 180 for the positive charge. E=INT kdq/r^2 where dq=Q/(pi*r/2)dTheta integrate from 0 to PI/2, that is E for ...
Monday, September 13, 2010 at 9:49pm by bobpursley

Physics
An uncharged spherical conducting shell surrounds a charge -q at the center of the shell. The charges on the inner and outer surfaces of the shell are respectively... a] -q,-q b]+q, +q c]-q, +q d]+q,0 e]+q, -q 2) A postive point Charge is enclosed in a hollow metallic sphere ...
Thursday, February 10, 2011 at 4:14am by John

physics
a point charge of 3.00*10^-6C is 12.o cm distance from a second charge of -1.50*10^-6 c. Calculate the magnitude of the force on each charge?
Friday, January 18, 2013 at 8:15am by jayson

physics
a point charge of 3.00*10^-6C is 12.o cm distance from a second charge of -1.50*10^-6 c. Calculate the magnitude of the force on each charge?
Friday, January 18, 2013 at 10:15am by jayson

physics
At the midway point, the distance is r = 0.0125 m from each charge. The fields due to each charge are in the same direction at points in between. Coulomb's law tells you that the E-field due to a charge q is E = k q/r^2 Add the fields of each charge. You may need to look up ...
Saturday, November 27, 2010 at 8:29pm by drwls

Physics
A 7.94 nC charge is located 1.75 m from a 4.18 nC point charge. Find the magnitude of the electrostatic force that one charge exerts on the other.
Saturday, January 26, 2013 at 11:49pm by Ashley

physics
a point charge q2 equals negative 2.1 micro C is fixed at the origin of a coordinate system. another point charge q1 equals 4.1 micro C is initially located at point p a distance d1 equals 6.1 centimeters from the origin along the x axis
Wednesday, February 8, 2012 at 9:32pm by john

physics
A 8.95 μC point charge is glued down on a horizontal frictionless table on the right. If is tied to a -6.35 μC point charge by a light nonconducting wire with length 2.5 cm on the left. The charges are placed in a external, uniform electric field with magnitude 1.65 ...
Monday, February 3, 2014 at 10:22pm by Anonymous

physics
If the total positive charge is Q = 1.6210−6C , what is the magnitude of the electric field caused by this charge at point P, a distance d = 1.53m from the charge? (Figure 1) Enter your answer numerically in newtons per coulomb.
Monday, January 27, 2014 at 1:22pm by James

physics 2
two points of 2 C and a 5 C are 10 meters apart. A third point charge of 6 C is placed between them. at what distance from 2 C charge must the 6 C charge is placed, in such way that stay in equillibrium?
Sunday, May 26, 2013 at 3:55am by jemver

Physics
A point charge Q1=-2C is located at x=0, and a point charge Q2=-8C is placed at on the x -axis of a cartesian coordinate system.The goal of this problem is to determine the electric field,E(x)=E(x)x^ , at various points along the -axis. (a)What is E(x) (in N/C) for x -68.0 m...
Monday, February 25, 2013 at 7:51am by Anonymous

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