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April 18, 2014

Search: What is the electric field strength at a point in space where a proton (m = 1.67 10-27 kg) experiences an acceleration of 8 million "g's"?

Number of results: 37,690

physics
An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 115 m/s2. What are the magnitude and direction of the electric field.
Monday, March 1, 2010 at 8:02pm by electric field

physics
1. Three particles with charges of +11 mC each are placed at the vertices of an equilateral triangle with sides of 15.0 cm. What is the magnitude and direction of the net force on each particle? 2. A proton is released in an uniform electric field and it experiences a force of...
Monday, January 4, 2010 at 10:48pm by Sasha

Physics
The electric field intensity at a point 2m from the surface of a uniformly charged conducting sphere is 1920 N/C. At a point 4m from its center, the electric field intensity is 3000 N/C. a.) Determine the radius of the sphere. Determine the electric field intensity at a point...
Monday, February 4, 2013 at 6:08am by Ian

physics
In a given electromagnetic plane wave the maximumelectric field strength is 400 V/m. What is the maximum magnetic field strength? How does the energy stored in the magnetic field compare with the energy stored in the electric field at any given time? how do you calculate the ...
Tuesday, December 9, 2008 at 12:24pm by al

Physics
Gold ions (Au+) are accelerate to high speeds using electric fields. These ions are then passed through a region where uniform electric E and magnetic B fields are present. If the ions are traveling to the right, which configuration of E and B will serve as a velocity selector...
Saturday, March 13, 2010 at 11:21am by Sandra

Physics
Gold ions (Au+) are accelerate to high speeds using electric fields. These ions are then passed through a region where uniform electric E and magnetic B fields are present. If the ions are traveling to the right, which configuration of E and B will serve as a velocity selector...
Monday, March 15, 2010 at 1:54pm by mm.

physics
There is a very large horizontal conducting plate in the x-y plane (consider it infinitely large). Its thickness is h . The charge densities on the upper and the lower surfaces are both equal to +σ. The goal of this problem is to find the electric field (magnitude and ...
Wednesday, February 27, 2013 at 1:46am by Anonymous

physics
A proton moves at 3.60 *10^5 m/s in the horizontal direction. It enters a uniform vertical electric field with a magnitude of 8.20* 10^3 N/C. Find the time interval required for the proton to travel 4.00 cm horizontally. thanks
Sunday, March 27, 2011 at 11:17am by Rachel

physics
A proton moves at 3.60 *10^5 m/s in the horizontal direction. It enters a uniform vertical electric field with a magnitude of 8.20* 10^3 N/C. Find the time interval required for the proton to travel 4.00 cm horizontally. thanks
Sunday, March 27, 2011 at 12:29pm by Rachel

physics
2) A proton is moving parallel to a uniform electric field. The electric field accelerates the proton and increases its linear momentum to 8.6 x 10^-23 kgm/s from 2.4 x 10^-23 kgm/s in a time of 5.7 x 10^-6 s. What is the magnitude of the electric field? 3) A uniform ...
Thursday, September 14, 2006 at 12:18pm by Kevin

College Physics
In an electric field, the lines on the left have twice the separation as those on the right. (a) If the magnitude of the field at A (particle in the field with lesser separated lines) is 58 N/C, what is the magnitude of the force on a proton at A? (b) What is the magnitude of ...
Sunday, July 8, 2012 at 9:27pm by Stephanie22-2

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 ...
Sunday, January 30, 2011 at 2:01pm by help

physics
Gold ions (Au+) are accelerate to high speeds using electric fields. These ions are then passed through a region where uniform electric E and magnetic B fields are present. If the ions are traveling to the right, which configuration of E and B will serve as a velocity selector...
Saturday, March 13, 2010 at 10:05pm by lauren

Physics
There is a very large horizontal conducting plate in the x-y plane (consider it infinitely large). Its thickness is h . The charge densities on the upper and the lower surfaces are both equal to +σ. The goal of this problem is to find the electric field (magnitude and ...
Monday, February 25, 2013 at 8:41am by P

Physics 3
A 2.3-keV proton is moving horizontally and passes perpendicular to the Earths magnetic field at a location where the field magnitude is 52.0 T. i) Determine the magnetic force on the proton? ii) Find the ratio of this force to the gravitation force on the proton? iii...
Wednesday, April 13, 2011 at 1:40pm by Ziera

Physics 3
A 2.3-keV proton is moving horizontally and passes perpendicular to the Earths magnetic field at a location where the field magnitude is 52.0 T. i) Determine the magnetic force on the proton? ii) Find the ratio of this force to the gravitation force on the proton? iii...
Wednesday, April 13, 2011 at 1:55pm by Ziera

physics
An electric dipole lies on the x-axis, consisting of a -2.3nC charge at x = -11cm and a +2.3nC charge at x = 11cm . Part A Compute the electric field at the point (16cm , 0). Find the magnitude of the electric field. Express your answer to two significant figures and include ...
Tuesday, February 4, 2014 at 11:10pm by jrfannin

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...
Friday, January 27, 2012 at 1:48pm by jazz

Physics
A -3.5uC charge experiences a 13 ihat-N electric force in a certain electric field.What force would a proton experience in the same field? I got -7.28*10^-18 from (1.6*10^-19)(-45.5) I got -45.5 from multiplying 13 by -3.5 What am I doing wrong?
Thursday, August 6, 2009 at 7:41pm by Josh

physics
A 3.0 mC point charge is placed in an external uniform electric field of 1.610^4 N/C. At what distance from the charge is the net electric field zero?
Sunday, February 14, 2010 at 6:29pm by jane e.

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...
Saturday, March 14, 2009 at 8:44pm by physics

physics
above the earth, a 500nT magnetic field captures particles coming from the sun. If a proton moving at 600km/s runs into this magnetic field, what is the radius of motion of the proton? and also how long does it take the proton to travel in one circle?
Thursday, March 12, 2009 at 7:57am by jeff

Physics
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed to collide into a tumor, killing the malignant cells. Suppose a proton accelerator is 4.0 m long and must accelerate protons from rest to a speed of 1...
Friday, August 6, 2010 at 4:13pm by Brianna

Physics
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed to collide into a tumor, killing the malignant cells. Suppose a proton accelerator is 4.21 m long and must accelerate protons from rest to a speed of ...
Wednesday, January 25, 2012 at 7:06pm by Ashley

Physics
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed to collide into a tumor, killing the malignant cells. Suppose a proton accelerator is 4.21 m long and must accelerate protons from rest to a speed of ...
Wednesday, January 25, 2012 at 9:04pm by Sarah

Physics
What is the acceleration of a proton in an electric field of 10^6 N/C?
Tuesday, December 6, 2011 at 5:05pm by Josh

Physics
What is the acceleration of a proton in an electric field of 10^6 N/C?
Tuesday, December 6, 2011 at 6:20pm by Josh

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...
Thursday, February 15, 2007 at 5:02pm by Frank

Physics
What is the magnitude of the electric field at a point midway between a -5.1 microC and a +6.1 microC charge 10cm apart? Assume no other charges are nearby. What is the direction of the electric field?
Friday, January 27, 2012 at 2:32pm by Mike

Physics
Consider a ring of radius a containing q amount of negative charges. Derive an expression for the electric field strength at a point at a distance x on the axis of this charged ring. Hence prove that at a great enough distances, the charged ring behaves like a point charge.
Thursday, August 11, 2011 at 10:58am by Ashik

Physics
Electric force is measured in Newtons Electric potential energy is measured in Joules Electric field strength is measured in in Newtons/Coulomb Electric potential is measured in Joules per Coulomb, or Volts, and Electric potential difference is the difference in electric ...
Friday, July 20, 2012 at 9:33am by drwls

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?
Thursday, March 29, 2012 at 2:32pm by Frustrated

physics
The shape of a magnetic field about a current-carrying wire is much the same as the shape of an electric field ____________. A) All of these.B) None of these.C) about a point electric charge.D) between two opposite point charges.E) between the plates of a charged capacitor.
Saturday, April 14, 2012 at 6:01pm by Jim

gen. physics II
Two charges, +Q and ‑Q, are located two meters apart and there is a point along the line that is equidistant from the two charges as indicated. Which vector best represents the direction of the electric field at that point? a. Vector EA b. Vector EB C. Vector EC d. The ...
Sunday, July 25, 2010 at 9:03pm by Alinkashia

Physics
Electric Field of Two Charges : 15.0 points A point charge is located at x=0, and a point charge is placed at on the -axis of a cartesian coordinate system.The goal of this problem is to determine the electric field, , at various points along the -axis. (a)What is (in N/C) ...
Sunday, February 24, 2013 at 10:27pm by P

Physics
A proton is at the origin and an electron is at the point x = 0.37 nm, y = 0.39 nm Find the electric force on the proton? I dont even know where to start. Can someone help me?
Thursday, August 13, 2009 at 11:06am by Adam

Physics
Please help me with these choose the best answers since I'm not sure of my answers. A current element produces a magnetic field in the region surrounding it. at any point in space, the magnetic field produced by this current element points in a direction that is a) radial from...
Sunday, October 23, 2011 at 9:31pm by Jessica

Physics
Please help me with these choose the best answers since I'm not sure of my answers. A current element produces a magnetic field in the region surrounding it. at any point in space, the magnetic field produced by this current element points in a direction that is a) radial from...
Sunday, October 23, 2011 at 10:02pm by Jessica

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...
Monday, January 23, 2012 at 11:44pm by Cooper

Physics
An electron is accelerated through a uniform electric field of magnitude 2.5x10^2 N/C with an initial speed of 1.2x10^6 m/s parallel to the electric field. a) Calculate the work done on the electron by the field when the electron has travelled 2.5 cm in the field. b) Calculate...
Tuesday, April 21, 2009 at 5:29pm by Linn

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 ...
Thursday, February 17, 2011 at 11:40pm by Anonymous

Physics - important
An electron is accelerated through a uniform electric field of magnitude 2.5x10^2 N/C with an initial speed of 1.2x10^6 m/s parallel to the electric field. a) Calculate the work done on the electron by the field when the electron has travelled 2.5 cm in the field. b) Calculate...
Tuesday, April 21, 2009 at 7:46pm by Linn

physics
The electric field at the surface of a uniformly charged sphere of radius 6.0cm is 90kN/C . What would be the field strength 10 cm from the surface?
Tuesday, September 3, 2013 at 7:15pm by Deddie

physics
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed to collide into a tumor, killing the malignant cells. Suppose a proton accelerator is 4.21 m long and must accelerate protons from rest to a speed of ...
Thursday, January 26, 2012 at 8:11pm by jason

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 ...
Sunday, February 7, 2010 at 5:22pm by Katherine

physics
The figure below shows two points in an E-field: Point 1 is at (x1,y1) = (9,4) in m, and Point 2 is at (x2,y2) = (13,9) in m. The Electric Field is constant, with a magnitude of 56.0 V/m, and is directed parallel to the +x-axis. The potential at point 1 is 1100 V. Calculate ...
Wednesday, January 27, 2010 at 4:16pm by jibjab

Physics
When an electron moves 2.5 m in the direction of an electric field, the change in electrical potential energy of the electron is 8x10-17J. What is the strength of the electric field that causes the change in potential energy? 320 N/C 200 N/C 20 N/C 3.2 N/C I'm clueless, but if...
Friday, October 19, 2012 at 1:43pm by Blah

Physics
When an electron moves 2.5 m in the direction of an electric field, the change in electrical potential energy of the electron is 8x10-17J. What is the strength of the electric field that causes the change in potential energy? 320 N/C 200 N/C 20 N/C 3.2 N/C
Friday, October 19, 2012 at 11:12am by La La

Physics
Consider three conducting spheres each 10 cm in diameter. A has a net charge of 5 C, B has a net charge of 10 C, and C has a net charge of zero, but is placed in an electric field of 1000 V/m. Rank the electric field strength inside the spheres from weakest to strongest.
Wednesday, June 13, 2012 at 8:43pm by Beth

Physics
A rapidly changing magnetic field in any region of space induces a rapidly changing A.Magnetic field or B.Electric field? which in turn induces a rapidly changing A.Magnetic field B.Electric field?
Saturday, December 8, 2012 at 3:12pm by Katie

Physics
A proton is at the origin and an electron is at the point x = 0.41 nm, y = 0.36 nm. Find the electric force on the proton. I got 7.529 *10^-11 but it wants the answer for fx and fy how do i get that?
Thursday, August 6, 2009 at 7:00pm by Josh

electric
When an electron moves from A to B along an electric field line in Fig. 24-29, the electric field does 3.66 x 10-19 J of work on it. What are the electric potential differences (a)VB - VA, (b)VC - VA, and (c)VC - VB? in the picture there r four field lines going from down to ...
Tuesday, April 14, 2009 at 7:49am by sweety

physics
two charge 5NC and -2NC are placed at a point (5cm,0,0)and (23cm,0,0)in a region of a space where there is no other electric field.calculate the electrostatic potential energy of this charged system
Saturday, April 27, 2013 at 3:25am by prachi

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...
Friday, February 12, 2010 at 12:55pm by Susie

PHYSICS
A cosmic-ray proton in interstellar space has an energy of 11.0 MeV and executes a circular orbit having a radius equal to that of Mars revolving around the Sun (2.28 1011 m). What is the magnetic field in that region of space?
Tuesday, October 29, 2013 at 9:52pm by Edmound

Physics
A charge of q1=110−6 C is located at corner A of an equilateral triangle. A charge q2=410−6 C is located at corner B and a charge of q3=710−6 C is located at corner C. The distance AB=0.46 m (the other two sides of the triangle are the same). See the ...
Sunday, March 24, 2013 at 5:39am by Phy

Lost in Physics
The strength of an electric field at 5.0 cm from a point charge is 100.0 N/C. What is the magnitude of the source charge? Show work so I understand how to do it. E=kQ/r^2 solve for Q, you have r, E What do I do NOW? I am lost
Saturday, May 19, 2012 at 3:10pm by Pat

Physics
What is the electric field midway between an electron and a proton separated by 0.7 nm?
Monday, December 5, 2011 at 4:38pm by Danny

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
the electric field of q1 E1 the electric field of q2 E2 Net electric field is vector sum of electric fields due to q1 and q2. the point to the left from origin: E1←,→ E2 (can give zero) the point between q1 and q2 : E1 →,→ E2.(cant give zero) the point...
Tuesday, May 15, 2012 at 7:33pm by Elena

physics
Find the electric field strength |E| at point P right above the edge of a metal ring. The ring has a linear charge density . Radius of the metal ring is R, the distance from the edge of the metal ring to Point P is D. thank you for helping.
Thursday, September 27, 2012 at 2:05am by lam

physics
1.)In an electric potential the charge is moving from infinity to a given point. Is that infinity point is within the electric field or outside of it? 2.)Is electric potential difference and voltage are same? 3.)Are electric potential and voltage same?
Saturday, October 5, 2013 at 10:59pm by ramesh reddy

Physics
What minimum strength of magnetic field is required to balance the gravitational force on a proton moving at speed 6*10^6 m/s?
Sunday, December 4, 2011 at 9:39pm by Richard

physics
What minimum strength of magnetic field is required to balance the gravitational force on a proton moving at speed 6 106 m/s?
Monday, December 5, 2011 at 9:42pm by Richard

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 =
Monday, January 23, 2012 at 11:31am by physics

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
Which of these are correct for an electric field? A) It's a vector quantity, and can be cancelled.B) Three of three are correct.C) It stores electric energy.D) Two of three are correct.E) It's the altered space surrounding electric charge.
Tuesday, April 10, 2012 at 5:50pm by Kristie

science
The units for expressing electric field strength include:
Wednesday, November 6, 2013 at 7:14pm by Anonymous

physics
What is the quantum particle of the electric field? Answer a. The proton. b. The electron. c. The photon. d. The neutron.
Friday, October 15, 2010 at 5:50pm by jim

Physics
The field direction is down and the field strength is 11/3*10^-6 = 3.7*10^6 N/C (or volts/meter) This is close to the field strength that casues air breakdoown.
Monday, March 18, 2013 at 3:23pm by drwls

Physical science
Physical science a 2.0g metal ball that carries a charge of 10 uC is placed into an electric field. the ball at rest at point A is accelerated to point B with a speed of 1.0 m/s. what is the electric potential difference between point A and point B?
Sunday, November 25, 2012 at 8:17pm by ann

Physics
1)Three positive particles of charges 9C are located at the corners of an equilateral triangle of side 15cm. Calculate the magnitude and direction of the force on each charge. 2)What is the electric field strength at a point in space where a proton (m = 1.67 x 10-27 kg) ...
Thursday, February 22, 2007 at 3:54pm by Nat

physics
Are you referring to the proton's weight in the Earth's gravitational field, or the electrostatic attraction force to the other proton? I have to assume that you mean "weight in the Earth's gravitational field", since the gravitational attraction is less than the electrostatic...
Sunday, March 13, 2011 at 6:40pm by drwls

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)
Wednesday, November 6, 2013 at 7:29pm by Anonymous

Physics-Please check and I need help
Please help set this up- A person goes into the electric field and has an object with a charge value of 4.2E-6C. At a distance of 10m from the object that's responsible for the elctric field, the person sees a force of 8.0N on the object they have. What is electric field ...
Saturday, March 19, 2011 at 5:13pm by Rachel Lynn C.

physics (electric field)
The drawing shows the potential at five points on a set of axes. Each of the four outer points is 6.2 x 10-4 m from the point at the origin. From the data shown, find the magnitude of the electric field in the vicinity of the origin.
Friday, January 18, 2013 at 9:07pm by help

physics
An east-west oriented conducting bar 2.0 m long moves north at 20 m/s through a magnetic field of 0.017 T, directed downward. What is the strength and direction of the electric field generated in the bar?
Sunday, October 24, 2010 at 10:29pm by angela

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 ...
Monday, February 25, 2008 at 2:22am by Samantha

physics
A cosmic-ray proton in interstellar space has an energy of 19.5 MeV and executes a circular orbit having a radius equal to that of Mars' orbit around the Sun (2.28 1011 m). What is the magnetic field in that region of space?
Sunday, April 6, 2014 at 10:21pm by Anonymous

physics
In any region of space where a magnetic field is changing in time, there is which of these?. A) None of these.B) induced electric field, also changing in time.C) All of these.D) even larger magnetic field.E) induced gravitational field.
Saturday, April 14, 2012 at 8:30pm by Phillip

physics
In any region of space where a magnetic field is changing in time, there is which of these?. A) None of these.B) induced electric field, also changing in time.C) All of these.D) even larger magnetic field.E) induced gravitational field.
Sunday, April 15, 2012 at 9:55am by Phillip

Physics
3 There are two charges +Q and Q/2 that locate at two positions with a separation of d as shown in Fig. 1. We may put +Q at the origin of the x-axis to facilitate the calculation. (a) Find the electric field for +Q and Q/2 at the position P. (5 points) (b) What is the total ...
Sunday, September 5, 2010 at 6:10pm by David

physics
three electric charges, 3e, 3e and 12e, where "e" is proton charge, are placed at three of four vertices of a square of side 3cm. Calculate the electric field in the center of the square.
Sunday, November 10, 2013 at 1:59am by manu

Physics
A charged particle, passing through a certain region of space, has a velocity whose magnitude and direction remain constant. (a) If it is known that the external magnetic field is zero everywhere in this region, can you conclude that the external electric field is also zero? ...
Monday, November 5, 2007 at 8:19pm by Mary

electromagnets
1.A proton travels at 4 x 10^6 m/s in a direction that is at an angle of 60 degrees to a magnetic field of 0.5 T. What is the magnitude of the force on the proton in Newtons? 2.What is the acceleration of the proton?
Tuesday, November 19, 2013 at 8:57am by anton

physics
Two parallel plates, separated by 10 mm, are charged to a potential difference of 50 V (that is, one plate is 0 V and the other plate is 50 V). Which of the following statements are true? the electric potential at the midpoint between the plates is 50 V the electric field ...
Monday, September 13, 2010 at 2:14pm by VJC

physics
The figure shows two points in an E-field: Point 1 is at (X1,Y1) = (3,4), and point 2 is at (X2,Y2) = (12,9), with coordinates in meters. The electric field is constant, with a magnitude of 53 V/m, and is directed parallel to the +x axis. The potential at point 1 is 1200 V. ...
Monday, February 25, 2008 at 12:55am by Samantha

physics
How will changing the charge change the electric field strength at a distance?
Thursday, May 12, 2011 at 10:33pm by ashley --- HELP PLEASEE!!!

physics
A proton with a speed of 3.5 10 6 m/s is shot into a region between two plates that are separated by a distance of 0.23 m. As indicated in the figure, a magnetic field exists between the plates, and it is perpendicular to the velocity of the proton. What must be the ...
Wednesday, March 9, 2011 at 1:46pm by Anonymous

Physics
Two charges, -2.0 micro C and -6.0 micro C, are located at (-0.65 m, 0) and (0.65 m, 0), respectively. There is a point on the x-axis between the two charges where the electric field is zero. Find the location of the point where the electric field is zero.
Saturday, March 26, 2011 at 2:56pm by Ben

electric
When an electron moves from A to B along an electric field line in Fig. 24-29, the electric field does 3.66 x 10-19 J of work on it. What are the electric potential differences (a)VB - VA, (b)VC - VA, and (c)VC - VB? in the picture there r four field lines going from down to ...
Tuesday, April 14, 2009 at 10:32pm by sweety

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^, ...
Saturday, December 4, 2010 at 3:50pm by Farah

PHYSICS
A charged disk of radius R that carries a surface charge density produces an electric field at a point a perpendicular distance z from the center of the disk, given by: Consider a disk of radius 10 cm and positive surface charge density +3.7 mC/m2. A particle of charge -4.5...
Thursday, February 11, 2010 at 9:33pm by Heidi

physics
On its highest power setting, a microwave oven increases the temperature of 0.350 kg of spaghetti by 45.0C in 100 s. (a) What was the rate of power absorption by the spaghetti, given its specific heat is 0.900 kcal/kgC? W (b) Find the average intensity of the microwaves, ...
Friday, April 5, 2013 at 11:16pm by taryn

physics
On its highest power setting, a microwave oven increases the temperature of 0.350 kg of spaghetti by 45.0C in 100 s. (a) What was the rate of power absorption by the spaghetti, given its specific heat is 0.900 kcal/kgC? W (b) Find the average intensity of the microwaves, ...
Sunday, April 7, 2013 at 8:01pm by taryn

physics
How will changing the distance change the electric field strength for a given charge?
Thursday, May 12, 2011 at 10:33pm by ashley --- HELP PLEASEE!!!

Physics
Which of the following is the correct relationship between the electric field strength and the potential difference?
Friday, May 31, 2013 at 2:48am by tanya

Physics
Consider a semi-infinite nonconducting rod (that extends infinitely to the right only) and has a uniform charge density. Calculate the magnitude and direction of the electric field at the point, P, which is a distance of R away from the edge of the rod. Does the angle of the...
Wednesday, November 24, 2010 at 12:32pm by Ri

physics
How much work does the electric field do in moving a proton from a point with a potential of +120 V to a point where it is -60 V? Express your answer in joules. I've looked through my notes, and I'm sure the answer is really easy, but I'm not seeing it. I know that Work(Wba)= ...
Monday, September 6, 2010 at 1:54pm by Morgan

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