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September 2, 2015

Search: An electric field exerts a force of 3.00 E-4 N on a positive test charge of 7.20 E-4 C. The magnitude of the field at the location of the charge is

Number of results: 40,695

science
A positive test charge of 6.00 C is placed in an electric field, which exerts a force of 5.00 x 10-4 N on the test charge. What is the magnitude of the electric field strength at the location of the test charge? (remember E = Fon q' / q', and 1 C = 1.00 x 10-6 C)
November 6, 2013 by Anonymous

Physics
An electric field exerts a force of 3.00 E-4 N on a positive test charge of 7.20 E-4 C. The magnitude of the field at the location of the charge is?
March 7, 2010 by Jack

physics
a positive test charge of 3.0uC experiences a force of 0.75 N in an electric field. What is the magnitude of the electric field at the location of the test charge?
March 23, 2013 by alex

physics
a positive test charge of 3.0uC experiences a force of 0.75 N in an electric field. What is the magnitude of the electric field at the location of the test charge?
March 23, 2013 by alex

PHYSICS
1. Why is an electric field considered to be a vector quantity? 2. Draw the electric field around an electric dipole of +1 C and -1 C 3. How many electrons have been removed from a positively charged object if it has a charge of 1.5 x 1011 C? 4. A particle with a charge - 1....
December 21, 2012 by Hayden

physics
Matt forgot to put the fabric softener in the wash. As his socks tumbled in the dryer, they became charged. If a small piece of lint with a charge of +1.25 E -19 C is attracted to the socks by a force of 3.0 E -9 N, what is the magnitude of the electric field at this location...
May 21, 2011 by Kelli Kenyon

jphysics
the chapter is on electric fields and forces and I cannot figure these 3 answers out: Matt forgot to put the fabric softener in the wash. As his socks tumbled in the dryer, they became charged. If a small piece of lint with a charge of +1.25 E -19 C is attracted to the socks ...
May 22, 2011 by Kelli Kenyon

Physics(Please Help!!)
Matt forgot to put the fabric softener in the wash. As his socks tumbled in the dryer, they became charged. If a small piece of lint with a charge of +1.25 E -19 C is attracted to the socks by a force of 3.0 E -9 N, what is the magnitude of the electric field at this location...
May 21, 2011 by Kelli Kenyon

Physics
A -10 mC charge experiences a force of 75 N directed south. What is the electric field magnitude and direction at the location of the charge? If this charge is removed and not replaced, what is the electric field magnitude and direction at the location it used to occupy? I ...
May 5, 2012 by Alaine'

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 ...
May 14, 2013 by Todd

PhYSiCs
A -10 mC charge experiences a force of 75 N directed south. What is the electric field magnitude and direction at the location of the charge? If this charge is removed and not replaced, what is the electric field magnitude and direction at the location it used to occupy?
May 4, 2012 by Allieeeeeeee:)

physics
The electric field at the point x = 5.00cm and y = 0 points in the positive x direction with a magnitude of 10.0 N/C. At the point x = 10.0cm and y = 0 the electric field points in the positive x direction with a magnitude of 16.0 N/C. Assume this electric field is produced by...
January 27, 2012 by jazz

physics
please check: Two point charges, initially 1 cm apart, are moved to a distance of 3 cm apart. By what factor do the resulting electric and gravitational forces between them change? a. 9 b. 3 c. 1/3 d. 1/9 D Two positive charges, each of magnitude q, are on the y-axis at points...
March 14, 2009 by physics

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 ...
February 16, 2010 by Adam

Physics
Six point charges of equal magnitude q are at the corners of a regular hexagon that has sides of length d. All the odd number charges are positive and all the even number charges are negative (so that there are three positive and three negative charges and there is a negative ...
February 25, 2015 by Anonymous

Physics
The electric field at the point x=5.00 cm and y=0 points in the positive x direction with a magnitude of 10.0 N/C. At the point x=10.0 cm and the electric field points in the positive x direction with a magnitude of 16.0 N/C . Assume this electric field is produced by a single...
January 23, 2012 by Cooper

Physics
The electric field at the point x=5.00 cm and y=0 points in the positive x direction with a magnitude of 10.0 N/C. At the point x=10.0 cm and y=0, the electric field points in the positive x direction with a magnitude of 15.0 N/C. Assuming the field is produced by a single ...
February 7, 2010 by Katherine

PHYSICS
Humid air breaks down electrically when its molecules become ionized. this happend in an electric field |E|=3*10^6 N/C. In that field, calculate the magnitude of the electric force on an ion with a single positive charge. ..when they say a single positive charge do they mean +...
February 24, 2010 by Lauren

physics
A uniform electric field exists everywhere in the x, y plane. This electric field has a magnitude of 5700 N/C and is directed in the positive x direction. A point charge -5.4 10-9 C is placed at the origin. Find the magnitude of the net electric field at (a) x = -0.13 m, (b...
November 19, 2014 by namabia

jokens
A sphere with a charge of 1.5 x 10-6 C experiences a force of 3.5 x 102 N when it is located at a certain point in an electric field. Determine the magnitude of the electric field intensity at this location. (remember E = Fon q' / q', and 1 C = 1.00 x 10-6 C
September 18, 2014 by Anonymous

Physics
1. A test charge of +2x10^-7 C is located 5 cm to the right of a charge of +1x10^-6 C and 10 cm to the left of a charge of -1x10^-6 C. The three charges lie on a straight line. Find the force on the test charge? 2. A charge of -2x10^-9 C in an electric field between two metal ...
February 6, 2009 by konan

physics
A 6 mC charge experiences a force of 6 N directed north. What is the electric field (magnitude and direction) at the location of the charge? Would E=1000 N/C and direction is north Find the force (magnitude and direction) on a -20 mC charge that replaces the 6 mC charge. And F...
May 4, 2012 by Alex B.

physics
Background pertinent to this problem is available in Interactive LearningWare 18.3. A uniform electric field exists everywhere in the x, y plane. This electric field has a magnitude of 5700 N/C and is directed in the positive x direction. A point charge -5.4 10-9 C is placed...
November 18, 2014 by namabia

physics
A positive test charge of 8.33 10−5 C is placed in an electric field of 53.54 N/C intensity. What is the strength of the force exerted on the test charge? Answer in units of N
February 8, 2013 by EMily

physics
A positive test charge of 6.47 10^−5 C is placed in an electric field of 50.12 N/C intensity. What is the strength of the force exerted onthe test charge? Answer in units of N
February 8, 2013 by Bob

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 ...
April 28, 2011 by aly

Physics
A magnetic field has a magnitude of 1.2 10-3 T, and an electric field has a magnitude of 5.9 103 N/C. Both fields point in the same direction. A positive 1.8 C charge moves at a speed of 2.9 106 m/s in a direction that is perpendicular to both fields. Determine the magnitude ...
September 27, 2007 by Mary

physics
A magnetic field has a magnitude of 1.20 10-3 T, and an electric field has a magnitude of 5.50 103 N/C. Both fields point in the same direction. A positive 1.8-C charge moves at a speed of 2.60 106 m/s in a direction that is perpendicular to both fields. Determine the ...
February 8, 2011 by aml

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. ...
November 7, 2012 by Ella

walter
A positive charge of 1.5x10^-8 C experiences a force of 0.025 N to the left in an electric field. What are the magnitude and direction of the field?
March 8, 2012 by george

Physics
1. The problem statement, all variables and given/known data A point charge is placed at each corner of a square with side length a. The charges all have the same magnitude q. Two of the charges are positive and two are negative, as shown in the following figure. The two ...
January 22, 2012 by Eddie

PHYSICS
The magnetic field of the Earth at a certain location is directed vertically downward and has a magnitude of 54.0 T. A proton is moving horizontally towards the west in this field with a speed of 6.00 ✕ 106 m/s. (a) What is the direction and magnitude of the magnetic ...
October 29, 2013 by Kathy

university
A uniform electric field of magnitude 260 V/m is directed in the positive x direction. A +14.0 C charge moves from the origin to the point (x, y) = (20.0 cm, 50.0 cm). (a) What is the change in the potential energy of the charge field system?
June 15, 2015 by john

Physics question help/ check my answers
The middle two question please check my answers and tell me if I am correct or if there is something I am missing. The first and the last question I need help to understand and complete it. Thank you in advance!!! 1. What is the electric force between a +2 C point charge and ...
May 8, 2014 by Brianna

physics
At a certain distance from a point charge, the potential due to the charge is |5.93 V, and the magnitude of the electric field is 13.5 V/m. (Take the potential to be zero at infinity.) Is the electric field directed toward or away from the charge? Here is my attempt. Since ...
February 25, 2008 by Samantha

3 physics question please help quick
Two point charges of opposite sign are brought close together. Which statement best describes the field lines of the combined point charges? (Points : 1) The field lines from the positive charge point toward the negative charge. The field lines from the positive charge point ...
April 21, 2014 by Sara

physics
Which of the statements regarding this situation are true? Select all that apply. -In this simulation when the capacitor voltage is set to a positive value the top plate has a positive charge on it and the bottom plate has a negative charge on it. -In general, decreasing the ...
January 28, 2012 by cpk101

physics
Which of the following statements about electric field lines due to static charges are true? (Select all that apply.) Electric field lines can never cross each other. Static charges can create closed loop electric field lines that do not begin or end on a charge. Wider spacing...
March 16, 2015 by mathew

physics
1. what happens to the field strength when you halve the distance between two charges? 2. A positive charge of 3.5 uC is located in an electric field of intensity 3.00 N/C directed toward the south. Find the magnitude and the direction of the force on the test charge. 3. Three...
May 29, 2012 by carol

Physics
What must the charge (sign and magnitude) of a particle of mass 1.48g be for it to remain stationary when placed in a downward-directed electric field of magnitude 670N/C ? What is the magnitude of an electric field in which the electric force on a proton is equal in magnitude...
September 3, 2013 by Wayne

Physics-Charges
A wall has a negative charge distribution producing a uniform horizontal electric field. A small plastic ball of mass 0.0261 kg, carrying charge of −102 μC, is suspended by an uncharged, nonconducting thread 0.369 m long. The thread is attached to the wall and the ...
March 7, 2012 by Joila

Physics
A 10 charge sits at a point in space where the magnitude of the electric field is 1900 .What will the magnitude of the field be if the 10 charge is replaced by a 20 charge?
March 29, 2012 by Frustrated

physics
A charge of -8.9 C is traveling at a speed of 7.8 106 m/s in a region of space where there is a magnetic field. The angle between the velocity of the charge and the field is 60. A force of magnitude 4.0 10-3 N acts on the charge. What is the magnitude of the magnetic field?
February 5, 2011 by Anonymous

physics
A positive charge of 1.100 C is located in a uniform field of 1.10~105 N/C. A negative charge of -0.100 C is brought near enough to the positive charge that the attractive force between the charges just equals the force on the positive charge due to the field. How close ...
September 1, 2011 by Anonymous

Physics
A beam of unknown charged particles passes at right angle to the direction of magnetic field of 9.0 10-2 T. If the speed of the particles is 3.0 104 m/s and force experienced by a particle is 8.64 10-16 N, how many electric charges are carried by one particle? {Force} = F = {...
May 26, 2009 by Landon

physics
I need help confirming my answers: 1) The work done on an electric charge equals a) IR b)q/t c)Vq d) It I think it's C.(Vq) 2) The direction of an electric field is the direction that a ___ test charge will move when placed in the field. a)negative b) positive c) neutral I ...
April 7, 2011 by Katie

physics help
I need help confirming my answers: 1) The work done on an electric charge equals a) IR b)q/t c)Vq d) It I think it's C.(Vq) 2) The direction of an electric field is the direction that a ___ test charge will move when placed in the field. a)negative b) positive c) neutral I ...
April 10, 2011 by Katie

physics
what kind of force field surrounds a stationary electric charge? What additional field surrounds it when it moves? "what kind of force field surrounds a stationary electric charge?" Electric field. "What additional field surrounds it when it moves?" Magnetic field. THANK YOU ...
December 4, 2006 by amy

physics
A uniform electric field of magnitude 250 V/m is directed in the positive x direction. A +12.0-C charge moves from the origin to the point (x, y) = (20.0 cm, 50.0 cm). (a) What is the change in the potential energy of the chargefield system? (b) Through what potential ...
April 30, 2007 by sammy

Physics
q1= 25 pC q2 = -75 pC A) calculate the magnitude of the electric force between the two charges B) Is the force attractive or repulsive? C) calculate the magnitude and direction of E1 *( there is an arrow above E1) , the electric field at the orgin due to charge q1. D) ...
April 12, 2011 by Angela Britt

physics
What is the magnitude and direction of an electric field that exerts a 4.00 ✕ 10 -5 N upward force on a - 1.80 C charge? N/C
March 16, 2015 by mathew

College Physics
A charged cloud system produces an electric field in the air near Earth's surface. A particle of charge -2.1 x 10-9 C is acted on by a downward electrostatic force of 4.3 x 10-6 N when placed in this field. (a) What is the magnitude of the electric field? (b) What is the ...
July 8, 2012 by Stephanie22-41

Physics
Given a square of sidelength a = 4 cm. We place a charged particle at each corner, three of them carry + 2 nC of charge and one carries the same amount of negative charge. What is the magnitude of the electric field at the center of the square? I read a previous post for a ...
February 6, 2010 by Sandra

Physics repost
A magnetic field has a magnitude of 1.2 10-3 T, and an electric field has a magnitude of 5.9 103 N/C. Both fields point in the same direction. A positive 1.8 C charge moves at a speed of 2.9 106 m/s in a direction that is perpendicular to both fields. Determine the magnitude ...
September 29, 2007 by Mary

Phys.
A 6 mC charge experiences a force of 6 N directed north. What is the electric field (magnitude and direction) at the location of the charge? Would the direction still be north? And the magnitude 1000?
May 4, 2012 by Alex B.

Vectors Math
The magnetic force (Vector FM)on a particle in a magnetic field is found by Vector FM = Vector I Vector B, Vector I is the charge multiplied by the velocity of a charged particle and Vector B the strength of the magnetic field, in Tesla (T). An electron accelerates from rest...
February 23, 2015 by Amy

Vectors Math
The magnetic force (Vector FM)on a particle in a magnetic field is found by Vector FM = Vector I Vector B, Vector I is the charge multiplied by the velocity of a charged particle and Vector B the strength of the magnetic field, in Tesla (T). An electron accelerates from rest...
February 22, 2015 by Zaynab

Vectors
The magnetic force (Vector FM)on a particle in a magnetic field is found by Vector FM = Vector I Vector B, Vector I is the charge multiplied by the velocity of a charged particle and Vector B the strength of the magnetic field, in Tesla (T). An electron accelerates from rest...
February 22, 2015 by Amy

Physics; Elect.
1. A charge (uniform linear density=9.0 nC/m) is distributed along the x-axis from x=0 to x=3.0m. Determine the magnitude of the electric field at a point on the x axis with x=4.0m. a)81 N/C b)74 N/C c)61 N/C d)88 N/C e)20 N/C 2. A +2nC point charge is placed at one corner of ...
February 1, 2011 by Thomas

Physics
A point charge Q1=-2 microcoulomb is located at x=0, and a point charge Q2=+8 microcoulomb, is placed at x=-0.5 on the x axis of a cartesian coordinate system.The goal of this problem is to determine the electric field,at various points along the x axis. a)What is electric ...
February 25, 2013 by Phy

physics
What does the concentration of field lines represent? Answer a. The direction that a positive test charge will be pushed. b. The direction that a negative test charge will be pushed. c. The strength of the force on a positive test charge. d. The strength of the force on a ...
October 15, 2010 by jim

physics
What does the concentration of field lines represent? Answer a. The direction that a positive test charge will be pushed. b. The direction that a negative test charge will be pushed. c. The strength of the force on a positive test charge. d. The strength of the force on a ...
October 15, 2010 by jim

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

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

Physics
An object with a charge of -4.4 uC and a mass of 1.410^−2 kg experiences an upward electric force, due to a uniform electric field, equal in magnitude to its weight. Find the magnitude of the electric field. Find the direction of the electric field. If the the electric ...
January 23, 2012 by Cooper

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.
January 27, 2014 by James

physics
what is the electric force exerted on a test charge of 3.86 x 10^-5 C if it is placed in an electric field of magnitude 1.75 x 10^4 N/C ?
February 11, 2015 by physics

Physics concept question
A long straight horizontal wire carries a current I = 2.10 A to the left. A positive 1.00 C charge moves to the right at a distance 4.50 m above the wire at constant speed v = 2250 m/s. What are the magnitude and the direction of the magnetic force on the charge? h t tp:// ...
March 7, 2011 by Robert

Physics
An electrostastic force of 20.0 newtons is exerted on a charge of 8.00 x 10^/2 C at point P in an electric field. The magnitude of the electric field strength at P is Given: Fe = 20 B q = 8.00 x 10^/2 C
February 5, 2010 by Priscilla

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 ...
September 19, 2009 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 ...
September 19, 2009 by sandhu

physicsa 6a
A charge of 28.0 is placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00104 . What work is done by the electric force when the charge moves
May 18, 2010 by Sally

physics
What must the charge (sign and magnitude) of a particle of mass 1.47g be for it to remain stationary when placed in a downward-directed electric field of magnitude 690N/C ? Use 9.81m/s2 for the magnitude of the acceleration due to gravity. PART B What is the magnitude of an ...
February 4, 2014 by jrfannin

physics
Consider three charges q1 = 6.0 C, q2 = 1.8 C, and q3 = -2.8 C, arranged as shown below. Q1 is positive and is 3 cm away from Q2. Q2 is also positive and is 2 cm away from Q3 which is negative. (a) What is the electric field at a point 1.0 cm to the left of the middle ...
April 23, 2013 by wendlen

physics
A point charge Q produces an electric field of magnitude 80.5 N/C at a distance of 1.08 m. If the field is directed toward the charge, what is the value of q
September 1, 2011 by Anonymous

Physics
A long cylindrical insulator has a uniform charge density of 1.0 #C/m3 and a radius of 9.0 cm. a) What is the electric field inside the insulator at a distance of 4 cm? b) What is the electric field at 17 cm? c) How much work must you do to bring a q = 0.05 #C test charge from...
March 10, 2012 by Fatima

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 ...
January 21, 2013 by John

physics
Consider the electric field created by a very long charged line of negative linear charge density -2.50 nC/m. A small positive point charge of 12 mC moves from a distance of 7 cm to a distance of 18 cm. In mJ, how much work is done by the electric field? Hint: The electric ...
February 17, 2011 by Anonymous

why doesn't anybody ever help me.
1. three point charges, q1, q2, q3, lie along the x-axis at x = 0,3,5, respectively. Calculate the magnitude and direction of the net electric force on q1 if q1 = +6 x 10^-6 C, q2 = +1.5 X 10^-6 C and q3 = -2.0 x 10^-6 C. my answre is 46.8 N to the right. is that correct? 2. a...
February 14, 2008 by todi

Physics
ANY ANSWERS WILL HELP! THANKS! 1. Isolated points of electric charge are called ____. 4b. ____ was the American physicist who first measured this fundamental unit of charge. 5. This type of electrification occurs when the charging rod touches an electroscope. 6. This type of ...
December 17, 2013 by Al

Physics
In designing a velocity selector that uses uniform perpendicular electric and magnetic fields, you want to select positive ions of charge +5e that are traveling perpendicular to the fields at 8.75 km/s. The magnetic field availabe to you has a magnitude of 0.550 T. (a) What ...
February 18, 2008 by J

physics- check
1. three point charges, q1, q2, q3, lie along the x-axis at x = 0,3,5, respectively. Calculate the magnitude and direction of the net electric force on q1 if q1 = +6 x 10^-6 C, q2 = +1.5 X 10^-6 C and q3 = -2.0 x 10^-6 C. my answre is 46.8 N to the right. is that correct? 2. a...
February 14, 2008 by todi

science
A positive charge of 3.50 C is located in an electric field of intensity 3.00 N/C directed toward the south. Find the magnitude and the direction of the force on the test charge. (remember E = Fon q' / q', and 1 C = 1.00 x 10-6 C) a. 8.6 x 105 toward the south c. 1.2 x 106 ...
October 20, 2012 by john smith

Physics
Consider the electric field created by a very long charged line of negative linear charge density -2.50 nC/m. A small positive point charge of 7 mC moves from a distance of 9 cm to a distance of 17 cm. How much work is done by the electric field?
February 11, 2010 by Joanna

Physics
Consider the electric field created by a very long charged line of negative linear charge density -2.50 nC/m. A small positive point charge of 8 mC moves from a distance of 9 cm to a distance of 17 cm. How much work is done by the electric field? Hint: The electric field for a...
February 12, 2010 by Susie

electric force/field
Three point charges, A = 2.2 C, B = 7.5 C, and C = -3.9 C, are located at the corners of an equilateral triangle . Find the magnitude and direction of the electric field at the position of the 2.2 C charge. magnitude = . N/C direction =
January 23, 2012 by physics

physics
A charge of -4.50 10-6 C is placed at a point in space where the electric field is directed toward the right and has a magnitude of 9.00 104 N/C. What are the magnitude and direction of the electrostatic force on this charge?
April 23, 2015 by jeff

physics
A charge of +3.7 ✕ 10-5 C is located at a place where there is an electric field that points due east and has a magnitude of 16400 N/C. What are the magnitude and direction of the force acting on the charge?
April 26, 2015 by Anonymous

science
What charge exists on a test charge that experiences a force of 2.2 10-8 N at a point where the electric field intensity is 1.0 10-4 N/C? what formula do i use??
January 30, 2008 by natasha

physics 2
Two identical positive charges are placed 15 cm apart and the magnitude of the electric force between them is 5.4 Newtons. They then exchange charge (one charge loses some electrons and the other gains the same amount of electrons), but they both still remain positive. After ...
January 18, 2013 by Jessica

physics
An object with a charge of -4.5 micro C and a mass of 1.110−2 kg experiences an upward electric force, due to a uniform electric field, equal in magnitude to its weight. A) Find the magnitude of the electric field. B)Find the direction of the electric field. upward ...
January 27, 2012 by jazz

physics
Two point charges, 4.010-6 C and -1.010-6 C, are located on the x axis at = -1.0 cm and = 3.0 cm. (a) Determine the electric field at the origin. (b)Determine the x coordinate of a point on the positive x axis where the electric field is zero; i.e., a test charge placed at ...
January 30, 2011 by help

Physics
Lighting strike: Storm clouds build up large negative charges that dwell in a charge center. Suppose a storm cloud has -25 C in a charge center located 10 km above the ground. The negative charge center attracts an equal amount of positive charge that is spread on the ground ...
March 22, 2013 by Cassie

Physics
I had a two part question in which I'm fairly sure I did the first part correct, but part b I am unsure about. For part a, I had to determine the magnitude of the net electric field at the origin, which I got E= 1.7 X 10^7 N/C. Part b)if a point charge of 3 C was placed at ...
July 23, 2012 by Janah

phYSICS
the process of charging a conductor by bringing it near another charged object and then grounding the conductor is called... a) charging by contact b) induction c) charging by polarization d) neutralization which one of the following statements is true concerning the madnitude...
March 29, 2011 by TS

Physics
Suppose you have a 3 C charge at (1,0) m and a -3 C charge at (-1,0) m. Find (a) the electric field at the point (0,3), and (b) the electric force on a charge of 3 nC placed at (0,3).
January 29, 2015 by Macy

Math
An electron accelerates from rest to the right, in a horizontally directed electric field. The electron then leaves the electric field at a speed of 4.0 106, entering a magnetic field of magnitude 0.20 T (Tesla) directed into the screen. Calculate the magnitude and ...
February 23, 2013 by Ginny

Physics - electric field intesity (check +help)
Points A and B are 13.0 apart. A charge of +8.0mu is placed at A and another charge at +5.0mu is placed at B. Point P i located 5.0cm from A and 12.0cm from B. What is the magnitude and direction of the electric field intensity at P? Ans: i got the magnitude as 2.9*10^, ...
December 4, 2010 by Farah

Physics help----------thanks
A charged cloud system produces an electric field in the air near the Earth's surface. A particle of charge -2.2 10-9 C is acted on by a downward electrostatic force of 3.0 10-6 N when placed in this field. (c) What is the magnitude of the gravitational force Fg on the proton...
February 15, 2007 by Frank

Physics (electricity and Magnetism)
A long straight and thin wire has a charge Q per unit length. It is also carrying a current I. A point charge is moving with a velocity v parallel to the conductor, at a distance d from it. Find the velocity v, supposing a correct direction for the current and the current ...
June 1, 2014 by John

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