Thursday

April 17, 2014

April 17, 2014

Number of results: 64,925

**Physics**

Four equal +6.00-μC point charges are placed at the corners of a square 2.00 m on each side. ( = 1/4π = 8.99 × 109 N · m2/C2) (a) What is the electric potential (relative to infinity) due to these charges at the center of this square?
*Monday, May 27, 2013 at 11:28pm by X*

**Physics 112**

Three point charges with values = 4.00 , = 1.00 , and = 7.00 are placed on three consecutive corners of a square whose side measures = 5.00 . Point A lies at the fourth corner of the square, diagonally across from . Point B lies at the center of the square. What are the values...
*Friday, February 11, 2011 at 5:26pm by Margaret *

**Physics**

Four point charges are located at the corners of a square with sides of length a . Two of the charges are +q, and two are -q. Find the magnitude of the net electric force exerted on a charge +Q, located at the center of the square, for the following arrangement of charge: the ...
*Monday, January 23, 2012 at 11:38pm by Cooper*

**Physics**

1.There are four charges, each with a magnitude of 2.5 µC. Two are positive and two are negative. The charges are fixed to the corners of a 0.29 m square, one to a corner, in such a way that the net force on any charge is directed toward the center of the square. Find the ...
*Wednesday, February 7, 2007 at 10:57pm by Todd*

**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 µC and -6 µC respectively. The charges on the lower left and right corners are -2.4 µC and -9 µC respectively. The net electric force on -6 µC charge is:
*Wednesday, May 11, 2011 at 8:53pm by ashley --- HELP PLEASEE!!!*

**electrostatic physics**

Four point charges are placed at the four corners of a square. Each side of the square has a length L. Find the magnitude of the electric force on q2 due to all three charges q1, q3 and q4 for L = 1 m and q = 1.55 C. Answer in units of N
*Sunday, February 12, 2012 at 12:40am by jc*

**physics**

Three point charges, A=2.00 uC, B=7.00 uC, C=-4.00 uC, are located at the corners of an equilateral triangle. a) Find the magnitude and direction of the electric field position of the 2.00 uC charge. b) How would the eletric field be affected if the charge there were doubled. ...
*Wednesday, November 7, 2012 at 3:07pm by Ella*

**Physics**

A,B,C,D are four charges placed at each corner of a square, with A= -6.00 mC , B=6.00 mC, C=-6.00 mC and D=6.00 mC.ALso AB=BC=CD=DA=0.100 m.Determine the magnitude and direction of force on each charge.
*Sunday, January 20, 2008 at 2:08am by Niraj*

**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*

**Physics1**

Four point charges are placed at the four corners of a square. Each side of the square has a length L. Find the magnitude of the electric force onq2 due to all three charges q1, q3 and q4 for L = 1 m and all q = 1.55 C. Answer in units of N
*Sunday, February 12, 2012 at 8:10pm by jc*

**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 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 is ?
*Thursday, April 25, 2013 at 11:24pm by daryl*

**physic**

two point charges are placed on teh x axis as follows: charge q1 = +4.00 nc is located at x = 0.200 m, and charge q2 = +5.00 nc is at x = -0.300 m what ae the magnitude and direction of teh net force exerted by these two charges on a negative point charges q3 = -0.600 nc ...
*Wednesday, February 13, 2013 at 8:09pm by yanis*

**Physics**

Four charges are located at the corners of a square as shown below. Calculate the magnitude and direction of the net force on charge -3Q and charge 4Q. (sorry don't have picture, but it is of a square with corners -Q, 2Q, -3Q, and 4Q clockwise). I don't understand how to start...
*Thursday, May 13, 2010 at 11:41pm by Sheila*

**Physics**

Two point charges, one of +3.00 10-5 C and the other -5.00 10-5 C are placed at adjacent corners of a square 1.400 m on a side. A third charge of +5.70 10-5 C is placed at the corner diagonally opposite to the negative charge. Calculate the magnitude and direction of the force...
*Sunday, April 3, 2011 at 5:24pm by Terri*

**Ap physics B**

Four positive charges are fixed at the corners of a square, as shown above. Three of the charges have magnitude Q, and the fourth charge has a magnitude 2Q. Point P is at the center of the square at a distance r from each charge. 22. What is the electric potential at point P...
*Sunday, May 15, 2011 at 2:46pm by christina*

**physics**

Four point charges, each with Q = 7.2 µC, are arranged at the corners of a square of edge length 3.6 m. What is the electric potential at the center of the square? 1 V
*Wednesday, September 29, 2010 at 3:17pm by melody*

**Physics 112**

Two stationary point charges of 5.00 and 2.00 are separated by a distance of 60.0 . An electron is released from rest at a point midway between the charges and moves along the line connecting them. What is the electric potential energy of the electron when it is at the ...
*Friday, February 11, 2011 at 5:29pm by Margaret *

**Physics electromagnetism**

four equal point charges are at the corners of a square. where besides infinity and at the center of the square is the strengh field zero?
*Tuesday, February 21, 2012 at 11:26pm by Antonio*

**phys**

Four point masses are at the corners of a square whose side is 20 cm long (see Fig 3). What is the magnitude of the net gravitational force on a point mass m5 = 2.5 kg located at the center of the square?
*Thursday, May 19, 2011 at 12:29pm by ayyashi*

**physics**

Four point charges have the same magnitude of 2.62 10-12 C and are fixed to the corners of a square that is 3.80 cm on a side. Three of the charges are positive and one is negative. Determine the magnitude of the net electric field that exists at the center of the square.
*Thursday, September 3, 2009 at 1:42pm by amber*

**physics**

Pls help me out. Four positive and equal charges are located dt the corners of a square of side 20cm.if each charge has a magnitude 2microcoulumb,calculate the force acting on the charge at the lower left corner of the square.
*Thursday, April 8, 2010 at 7:32am by Ayodele*

**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*

**physic**

two point charges are located on the y axis as follows : charge q1 = -1.50nc at y= -0.600m, and charge q2 = +3.2nc at the origin (y=0) what is the net force (magnitude and direction) exerted by these two charges on a third charge q3 = +5.00 nc located at y = -0.400 m ?
*Tuesday, February 12, 2013 at 5:03pm by yanis*

**Statistics**

Using an online calculator, I found the following: 10 data pairs (x,y): ( 10.0 , 7.00 ); ( 8.00 , 6.00 ); ( 9.00 , 11.0 ); ( 6.00 , 4.00 ); ( 5.00 , 5.00 ); ( 3.00 , 7.00 ); ( 7.00 , 4.00 ); ( 2.00 , 5.00 ); ( 4.00 , 6.00 ); ( 1.00 , 4.00 ); Regression equation: Predicted y...
*Monday, February 10, 2014 at 3:49pm by MathGuru*

**college algebra**

Shellie pays $4.00 for a square piece of wood, which she makes into a stop sign by cutting the corners off. what is the cost of the wasted part? I don't even know where to begin? do I take $4.00*1/8....which equals half and subtract that from 4.00...getting $2.50
*Tuesday, April 26, 2011 at 8:40pm by algebrajunkie*

**Physics**

Four point masses are arranged on the xy plane as follows. Mass1 = 47.0 grams at x = 2.00 cm and y = 2.00 cm. Mass2 = 55.0 grams at x = 0.00 cm and y = 4.00 cm. Mass3 = 27.0 grams at x = -3.00 cm and y = -3.00 cm. Mass4 = 45.0 grams at x = -1.00 cm and y = 2.00 cm. What is the...
*Friday, November 8, 2013 at 9:34pm by JAYZ*

**Physics**

Add up the kQ/r values contributed by each of the five charges (four at the corners and one in the middle of the square). The distances (r) of the different charges will vary. Three of them are located a distance of 0.22 m away. You will have to do a bit of geometry for ...
*Friday, November 12, 2010 at 11:45pm by drwls*

**statistics**

calculate both the pearson and spearman correlation coefficient for the data below. state whether ther are significant? writ a brief statement to explain the results generated by each correlation. self-esteem 10.00, 9.00,8.00,7.00,7.00,6.00,6.00,6.00,4.0,4.00. grades 83.00,97....
*Sunday, April 24, 2011 at 7:03pm by ryee*

**pleaseeeee help - 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 μC and -6 μC respectively. The charges on the lower left and right corners are -2.4 μC and -9 μC respectively. The net electric ...
*Saturday, May 14, 2011 at 9:56pm by ashley --- HELP PLEASEE!!!*

**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 μC and -6 μC respectively. The charges on the lower left and right corners are -2.4 μC and -9 μC respectively. The net electric ...
*Saturday, May 14, 2011 at 12:36pm by ashley --- HELP PLEASEE!!!*

**college physics,electric potential**

Four point charges, each with Q = 7.2 µC, are arranged at the corners of a square of edge length 3.6 m. What is the electric potential at the center of the square? V? Please show me how to solve this.Thanks
*Saturday, October 2, 2010 at 11:32am by melody*

**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*

**Math**

Item Original Price Tax Selling Price Profit Table with lion heads 1200.00 60.00 1400.00 140.00 Cherry chest 700.00 30.00 1030.00 300.00 Andirons 420.00 10.00 500.00 70.00 Victorian couch 1000.00 100.00 1400.00 400.00
*Wednesday, October 31, 2007 at 9:15am by Ti*

**math**

The four possible outcomes are: outcome payment H/H +3.00 H/T -2.00 T/H -2.00 T/T -1.00 Average -2.00/4 = -0.50 Decide for yourself.
*Sunday, February 27, 2011 at 9:28am by MathMate*

**Physics**

The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -7.00 10-9 C placed at corner A and then at corner B.
*Monday, January 30, 2012 at 4:49pm by Anne*

**Accounting**

Bank Stmt Balance $4270.00 Add Rejected Checks 140.00 Deposited Checks 1650.00 Ending Balance $6060.00 Book Balance $4000.00 Add Checks Issued 2500.00 Cust Pd Direct 170.00 Dividend 250.00 Deduct Staples Order -700.00 Bank Charges -160.00 Ending Balance $6060.00
*Wednesday, November 17, 2010 at 12:53pm by Barbara*

**physics**

Question: 15 of 30: The distance versus time plot for a particular object shows a quadratic relationship. Which column of distance data is possible for this situation? Time (s) A. Distance (m) B. Distance (m) C. Distance (m) D. Distance (m) E. Distance (m) 0 0 2.00 9.00...
*Thursday, May 23, 2013 at 10:48pm by ....*

**Physics**

Four equal charges Q=2*10^-8coulumb are placed at the corners of a square of side 60cm.calculate the potential at the centre of the square.
*Thursday, April 8, 2010 at 7:42am by Ayodele*

**Physics**

Charges of +2.38 nC and -1.06 nC are located at opposite corners, A and C, respectively, of a square which is L = 1.13 m on a side. What is the electric potential at a third corner, B, of the square (where there is no charge)?
*Thursday, February 2, 2012 at 2:21pm by Ashley *

**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*

**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*

**physics**

Two point charges each of magnitude 2.14 µC are located on the x axis. One is at x = 1.00 m and the other is at x = -1.00 m. (a) Determine the electric potential on the y axis at y = 0.620 m. kV (b) Calculate the change in electric potential energy of the system as a third ...
*Monday, February 6, 2012 at 8:43pm by Anonymous*

**Physics**

Identical point charges of +2.9 µC are fixed to three of the four corners of a square. What is the magnitude of the negative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a net force of zero?
*Wednesday, September 4, 2013 at 10:23am by Amanda*

**Statistics**

Using an online calculator: 4 data pairs (x,y): ( 3.00 , 5.00 ); ( 4.00 , 5.00 ); ( 2.00 , 3.00 ); ( 1.00 , 4.00 ); Regression equation: y = 3 + .5x Correlation Coefficient: r = 0.674 Check with your own calculations.
*Tuesday, August 28, 2012 at 6:12pm by MathGuru*

**physics**

three point charges of 3µC, 8µC and -5µC are located at the corners of an equilateral triangle. calculate the net force on the 8µC
*Saturday, February 9, 2013 at 5:33am by garvin*

**Physics**

Two idencial point charges (q = 7.40 x 10^-6 C) are fixed at diagonally opposite corners of a square with sides of length 0.440m. A test charge (q = -2.30 x 10^-8 C), with a mass of 7.25 x 10^-8 kg, is released from rest at one of the empty corners of the square. Determine the...
*Wednesday, February 3, 2010 at 6:39pm by Allee*

**Physics**

idential point charges of 1.7e-6 C are fixed diagonally on opposite corners of a square. A third charge is then fixed at the center of the square, such that it causes the potentials at the empty corners to change signs without changing their magnitudes. Find the sign and ...
*Sunday, March 15, 2009 at 11:39pm by andrea*

**Computer**

I have the answer I was looking for, but do not know exactly how to format it into Excel. Can you please show that format ASAP? This is due tomorrow. Thank you!!! Bank Stmt Balance $4270.00 Add Rejected Checks 140.00 Deposited Checks 1650.00 Ending Balance $6060.00 Book ...
*Monday, February 4, 2013 at 9:39am by Tina*

**physics**

Charges of +2.38 nC and -1.06 nC are located at opposite corners, A and C, respectively, of a square which is L = 1.13 m on a side (as shown in the figure below ). What is the electric potential at a third corner, B, of the square (where there is no charge)?
*Tuesday, January 31, 2012 at 11:59am by Ashley*

**Physics Electricity**

Two identical point charges (q = 7.20 x 10^6 C) are fixed at diagonally opposite corners of a square with sides of length 0.480 m. A test charge (q0 = 2.40 x 10^8 C), with a mass of 6.60 108 kg, is released from rest at one of the empty corners of the square. ...
*Friday, February 1, 2013 at 5:22am by Frustrated*

**Physics**

Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke, q, and a left in symbolic form. (B = 4q and C = 6.5q. Let the +x-axis be pointing to the right.) b|---...
*Saturday, March 30, 2013 at 11:10am by Sofia*

**Physics**

There are four charges, each with a magnitude of 2.65 microcoulombs. Two are positive and two are negative. The charges are fixed to the corners of a 0.408-m square, one to a corner, in such a way that the net force on any charge is directed toward the center of the square. ...
*Wednesday, July 18, 2012 at 7:52pm by JJ*

**math**

Charges of −4q are fixed to diagonally opposite corners of a square. A charge of + 5q is fixed to one of the remaining corners, and a charge of + 3q is fixed to the last corner. Assuming that ten electric field lines emerge from the + 5q charge, sketch the field lines ...
*Sunday, June 3, 2007 at 2:53pm by Brian*

**physics**

Charges of −4q are fixed to diagonally opposite corners of a square. A charge of + 5q is fixed to one of the remaining corners, and a charge of + 3q is fixed to the last corner. Assuming that ten electric field lines emerge from the + 5q charge, sketch the field lines ...
*Sunday, June 3, 2007 at 2:53pm by Brian*

**Help Please!**

Charges of −4q are fixed to diagonally opposite corners of a square. A charge of + 5q is fixed to one of the remaining corners, and a charge of + 3q is fixed to the last corner. Assuming that ten electric field lines emerge from the + 5q charge, sketch the field lines ...
*Monday, January 24, 2011 at 2:26pm by Brian*

**Physics**

Identical point charges of +2.1 ìC are fixed to diagonally opposite corners of a square. A third charge is then fixed at the center of the square, such that it causes the potentials at the empty corners to change signs without changing magnitudes. Find the sign and magnitude ...
*Thursday, January 24, 2013 at 7:43pm by Amy*

**Physics**

Identical point charges of +2.1 ìC are fixed to diagonally opposite corners of a square. A third charge is then fixed at the center of the square, such that it causes the potentials at the empty corners to change signs without changing magnitudes. Find the sign and magnitude ...
*Thursday, January 24, 2013 at 7:48pm by Amy*

**physics**

Three point charges +q are placed at corners of a square with sides of length L. + + + A B L O What is the potential at point A?
*Thursday, April 11, 2013 at 1:54am by Anonymous*

**College Physics**

two charged particles are located on an x axis: -q = -4.80 × 10-19 C at x = -3.00 m and q = 4.80 × 10-19 C at x = 3.00 m. What are the (a)x- and (b)y- components of the net electric field produced at point P at y = 5.00 m?
*Sunday, July 8, 2012 at 9:30pm by Stephanie22-9*

**physics, help! urgent!**

A positive point charge q = +2.50 nC is located at x = 1.20 m and a negative charge of ƒ{2q = ƒ{5.00 nC is located at the origin. (a) Sketch the electric potential verses x for points on the x-axis in the range -1.50 m < x < 1.50 m. (b) Find a symbolic expression for the...
*Wednesday, November 14, 2012 at 2:54pm by Ella*

**physics**

What is the force on the charge located at x = +8.00 cm. q = 1.00 µC and a = 8.00? (The positive direction is to the right.)
*Tuesday, August 27, 2013 at 10:43pm by Justin*

**physics**

a 51.0 kg uniform square sign, of edge L = 2.00 m, is hung from a horizontal rod of length dh = 3.00 m and negligible mass. A cable is attached to the end of the rod and to a point on the wall at distance dv = 4.00 m above the point where the rod is hinged to the wall.
*Monday, December 15, 2008 at 6:32am by help*

**Physics**

Two identical point charges (q = +4.60 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.510 m. A test charge (q0 = -4.80 x 10-8 C), with a mass of 9.80 x 10-8 kg, is released from rest at one of the corners of the square. Determine the speed ...
*Sunday, February 10, 2013 at 4:58pm by Anonymous*

**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 µC. 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**

Three positive particles of charges 1 μC, 2 μC, 3 μC, and 4 μC, are located at the corners of a square of side 1 cm. Calculate the potential in the center of the square, taking V = 0 at a great distance.
*Tuesday, September 4, 2012 at 11:19am by Amanda*

**math**

4. Gregory teaches martial arts. He charges a one-time processing fee of $5.00 and the cost of the classes is shown below. Let x represent the number of classes and y represent the cost of classes. Based on this information, what will it cost to take 10 classes? Cost of ...
*Thursday, June 7, 2012 at 4:30pm by Jane*

**math**

Well write it out, let 1 represent 10:00 in the x coordinant's position, and let y be the miles out on the course the ship is. Ship 1 10:00 11:00 12:00 1:00 2:00 (1,10);(2,20);(3,30);(4,40);(5,50); 3:00 4:00 5:00 6:00 7:00 (6,60);(7,70);(8,80);(9,90);(10,100) Ship 2 1:00 2:00 ...
*Thursday, May 19, 2011 at 11:33pm by Chica*

**Physics**

Two point charges are placed on the x axis. The charge +4q is at x=3.00 m, and the -q charge is at x=-3.00. a) There is a point on the x axis between the two charges where the electric potential is zero. Where is this point? Found it to be: -1.80m b) The electric potential ...
*Saturday, February 12, 2011 at 5:46pm by Rachel*

**Phyiosics**

Three point charges lie in a straight line along the y-axis. A charge of q1 = -9.50 µC is at y = 6.30 m, and a charge of q2 = -7.20 µC 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 µC is at y = 6.60 m, and a charge of q2 = -8.00 µC 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*

**MATH I NEED HELP PLEASE**

1. Which of the following conclusions is true about the statement below? A. The statement is never true. B. the statement is true when x =0. C. The statement is true when x is negative. D. The statement is always true. My answer was B. 2. Solve for x in the equation x^2 - 2 x...
*Friday, September 6, 2013 at 4:05pm by Queta*

** math**

3 * 4.00 + 2 * 10.00 + 3.00 $12.00 + $20.00 + $3.00 = $35.00 you problem as worded is not clear as to what is needed
*Tuesday, January 11, 2011 at 7:23pm by helper*

**Math**

one satellite radio service charges $10.00 per month plus an activation fee of $20.00. a second service charges $11.00 per month and an activation fee of $15.00 for what number of months is the cost of either service the same?
*Sunday, February 24, 2013 at 3:07pm by Anonymous*

**physics**

Three point charges lie in a straight line along the y-axis. A charge of q1 = -9.80 µC is at y = 6.00 m, and a charge of q2 = -8.20 µC 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**

Two charges are placed on the x axis. One of the charges (q1 = +6.14C) 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.
*Sunday, May 20, 2012 at 6:43am by BM*

**physics**

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.
*Monday, October 8, 2012 at 6:50pm by antonio*

**physics **

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**

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**

An infinitely long line charge of uniform linear charge density λ = -3.00 µC/m lies parallel to the y axis at x = -2.00 m. A point charge of 4.70 µC is located at x = 1.50 m, y = 2.50 m. Find the electric field at x = 2.50 m, y = 2.00 m. I get 23.7 kN/C, why is that wrong?
*Sunday, October 9, 2011 at 5:30pm by Paul*

**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**

Three equal positive point charges of magnitude Q = 4.00ì C are located at three corners of a square of edge length d = 6.9 cm. A negative charge -14.00ì C is placed on the fourth corner. At the position of the negative charge, what is the magnitude of the electric field due ...
*Thursday, January 21, 2010 at 12:08pm by farah*

**physics**

two identical point charges are fixed to diagonally opposite corners of a square that is .5m on a side. Ecah charge is +3.0x10^-6 C. How much work is done by the elctric force as one of the charges moves to an empty corner
*Wednesday, January 19, 2011 at 4:57pm by sasha*

**physics**

Three equal positive point charges of magnitude Q = 8.00ì C are located at three corners of a square of edge length d = 11.8 cm. A negative charge -24.00ì C is placed on the fourth corner. At the position of the negative charge, what is the magnitude of the electric field due ...
*Thursday, September 1, 2011 at 8:03pm by TP*

**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*

**physics**

Two point charges, +4.00 ìC and -7.00 ìC, are separated by 2.20 m. What is the electric potential midway between them?
*Sunday, September 18, 2011 at 6:45pm by kim taylor*

**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(a) The charge at any one corner experiences forces from the charges at the other corners. Do the individual ...
*Tuesday, March 19, 2013 at 7:17am by Jayflord*

**Physics **

An infinitely long line charge of uniform linear charge density λ = -3.00 µC/m lies parallel to the y axis at x = -2.00 m. A point charge of 4.70 µC is located at x = 1.50 m, y = 2.50 m. Find the electric field at x = 2.50 m, y = 2.00 m. I added the vectors, of the ...
*Monday, October 10, 2011 at 2:37am by Tom*

**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(a) The charge at any one corner experiences forces from the charges at the other corners. Do the individual ...
*Tuesday, March 19, 2013 at 7:21am by Jayflord*

**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*

**Physics**

Three point charges, A = 2.2 µC, B = 7.5 µC, and C = -3.9 µC, are located at the corners of an equilateral triangle as in the figure above. Find the magnitude and direction of the electric field at the position of the 2.2 µC charge.
*Friday, September 17, 2010 at 7:38am by chuck*

**chemistry**

Record measured absorbance for each tube in following table. Complete the table by calculating the [ Fe(SCN2+)]eq and [Fe3+]initial and [HSCN]initial Data: Volume of 2.00 x 10-3 M Fe(NO3)3 solution, mL 1)5.00, 2) 5.00, 3) 5.00 4) 5.00 5) 5.00 Volume of 2.00 x 10-3 M HSCN ...
*Thursday, September 27, 2012 at 11:14am by Brittany S*

**chemistry**

Record measured absorbance for each tube in following table. Complete the table by calculating the [ Fe(SCN2+)]eq and [Fe3+]initial and [HSCN]initial Data: Volume of 2.00 x 10-3 M Fe(NO3)3 solution, mL 1)5.00, 2) 5.00, 3) 5.00 4) 5.00 5) 5.00 Volume of 2.00 x 10-3 M HSCN ...
*Thursday, September 27, 2012 at 11:14am by Brittany S*

**Math**

A student at St. F. X. decided to become his own employer by using his car as a taxi for the summer. It costs the student $693.00 to insure his car for the 4 months of summer. He spends $452.00 per month on gas. If he lives at home and has no other expenses for the 4 months of...
*Tuesday, April 24, 2012 at 7:40pm by Rezu*

**Math**

Jill plans to save 1/6 of her salary each week. If her weekly salary is $567.00, how much will she save in four weeks? (a) $ 378.00 (b) $ 13,608.00 (c) $ 13,680.00 (d) $ 850.50 (e) $ 855.00
*Thursday, September 15, 2011 at 2:02pm by Adam*

**Math**

Over a four-week period, Gail earned the following commissions? Week 1 $250.00 Week 2 310.00 Week 3 275.00 Week 4 195.00 What was her average weekly commission for the period? A. $205.00 B. $207.50 C. $240.00. D. $257.50 i got d as an answer right or wrong?
*Tuesday, July 29, 2008 at 2:39am by AK*

**Physics**

Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke, q, and a left in symbolic form. (B = 4q and C = 6.5q. Let the +x-axis be pointing to the right.) F = ...
*Saturday, March 30, 2013 at 11:14am by Sofia*

**math**

4. Point E is located at (–2, 2) and point F is located at (4, –6). What is the distance between points E and F? a. square root of 52 b. square root of 28 c. 10 d. square root of 20 5. In which quadrant is the point (x, y) located if x is negative and y is positive? a. II b. ...
*Wednesday, October 3, 2012 at 3:19pm by Anonymous*

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