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February 6, 2016

Search: An electron in a uniform electric field increases its speed from 2.1×107 to 3.8×107 over a distance of 1.7 .

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Physics
PLEASE HELP WITH AS MANY AS POSSIBLE... I AM TERRIBLY CONFUSED. 1. A charge moves a distance of 1.7 cm in the direction of a uniform electric field having a magnitude of 200 N/C. The electrical potential energy of the charge decreases by 9.69095 10−19 J as it moves. ...
February 16, 2010 by Jonathan

Physics
An electron experiences 1.2 x 10^-3 force when it enters the external magnetic field, B with a velocity v. What is the force experienced by the electron if the magnetic field is increased two times and the velocity is decreased to half? Okay so I know there's the formula F = ...
January 25, 2013 by Physics fail

physics
A flat horizontal surface with an area of 650 cm2 is inside a uniform electric field of 2.99104 N/C. The angle between the area vector and the electric field is 14.8. What is the electric flux through the surface?
January 30, 2011 by Ana

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

Electric forces
An electron is released above the earth's surface. A second electron directly below it exers just enough of an electric force on the first electron to cancel the gravitational force on it. Find the distance between the two electrons. I thought if I just set the graviational ...
April 11, 2007 by Sara

physics
A 30.0 cm diameter loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in this position is 5.60 multiplied by 105 Nm2/C. What is the magnitude of the electric field? MN/C
September 8, 2013 by gita

physics
A 30.0 cm diameter loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in this position is 5.60 multiplied by 105 Nm2/C. What is the magnitude of the electric field? MN/C
September 13, 2013 by suhani

Chemistry
from a calorimeter experiment I got this calculation: Cm=30g(4.184 J/g(Celsius))(24 Celsius-20.8Celsius)/-25g(24 Celsius-99.6 Celsius) gives Cm= .107 J/g(Celsius) I have the answer here above, but when I calculate it I get different answers could someone please explain how I ...
April 18, 2012 by Saifeena

math
the number of pat's roses to the total number of pat's flowers. a)76:31 b)76:107 c)31:107 d)31:76
November 24, 2015 by may

physics
An electron with speed = 2.5410^7m/s is traveling parallel to an electric field of magnitude = 1.66104 N/C. How far will the electron travel before it stops? How much time will elapse before it returns to its starting point?
February 21, 2013 by Elmer

physics
An electron with initial speed = 2.5410^7 m/s is traveling parallel to an electric field of magnitude = 1.6610^4 N/C . How far will the electron travel before it stops? How much time will elapse before it returns to its starting point?
February 21, 2013 by Elmer

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

physics
The picture tube in an old black-and-white television uses magnetic deflection coils rather than electric deflection plates. Suppose an electron beam is accelerated through a 53.8-kV potential difference and then through a region of uniform magnetic field 1.00 cm wide. The ...
April 4, 2011 by joe

Math
Can you see if my answers are correct? Directions find the GCF: (I did the factor tree for each) 40; 2^3 times 5 128; 2^7 GCF: 2 90; 3^2 times 2 times 5 105; 5 times 3 times 7 180; 3^2 times 2^2 times 5 GCF: 5 3x^3; what is that suppose to be 6x; 2 times 3 12x^2; 2^2 times 3 ...
April 15, 2010 by Courtney

physics
the region 0 < r < r1 is a charged insulating sphere with uniform charge density _E, the region r1 < r < r2 contains free space, and the region r2 < r < r3 is an insulating spherical shell with uniform charge density ��_E. What is the electric ...
September 23, 2008 by al

physics
Find the value of the magnetic field necessary to cause a proton moving at a speed of 2.50 10^3 m/s to go into a circular orbit of 15.5-cm radius. An electron has an energy of 100 eV as it enters a magnetic field of 3.50 10−2 T. Find the radius of the orbit. A ...
July 24, 2011 by Kayla

physics
The plates of a parallel plate capacitor are separated by a distance of 1.2cm, and the electric field within the capacitor has a magnitude of 2.1x 10^6 V/m. An electron starts from rest at the negative plate and accelerates to the positive plate. What is the kinetic energy of ...
July 10, 2008 by H

physics
An electromagnetic wave has an electric field strength of 145 V/m at a point P in space at time t. (a) What is the electric field energy density at P? (b) A parallel-plate capacitor whose plates have area 0.110 m2 has a uniform electric field between its plates with the same ...
March 8, 2013 by Beth

Physics 2
A particle with a mass of 3.6510^−24 kg and a charge of 6.4010^−19 C starts at rest and is accelerated for a distance of 0.102 m through a uniform electric field having strength E = 7.2510^4 N/C. What is the resulting speed of the particle(m/s)?
July 18, 2015 by Skippy

Physics
An electron is a subatomic particle (m = 9.11 10-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +5.06 105 m/s to a final velocity of +2.03 106 m/s while traveling a distance of 0.034 m. The electron's ...
September 20, 2014 by Steven

PHYSICS
an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the velocity of the electron and the field make an angle of 45 degree.
September 24, 2015 by please help w/ complete sol'n.

GCF Math Check
Can you see if my answers are correct? Directions find the GCF: (I did the factor tree for each) 40; 2^3 times 5 128; 2^7 GCF: 2 90; 3^2 times 2 times 5 105; 5 times 3 times 7 180; 3^2 times 2^2 times 5 GCF: 5 3x^3; what is that suppose to be 6x; 2 times 3 12x^2; 2^2 times 3 ...
April 15, 2010 by Courtney

Physics
A particle with mass m = 1.20g and charge q = 345C is traveling in the x-direction with an initial velocity of v0 = 68.0m/s. The particle passes through a constant electric field in the y-direction with magnitude |E| = 263N/C over a distance of d = 12.0m. (a) What is the ...
January 17, 2013 by Nick

Physics
A proton and an electron are moving due east in a constant electric field that also points due east. The electric field has a magnitude of 8.0 104 N/C. Determine the magnitude of the acceleration of the proton and the electron.
June 13, 2014 by Bin

Physics
A particle with a mass of 3.6510−24 kg and a charge of 6.4010−19 C starts at rest and is accelerated for a distance of 0.102 m through a uniform electric field having strength E = 7.25104 N/C. What is the resulting speed of the particle?
July 18, 2015 by Skippy

physics - electric fields
A 2.00 square meter flat surface is placed in a uniform electric field of magnitude 6.00 N/C. If the surface is oriented so that the field lines are all parallel to the surface, find the magnitude of the electric flux through this area
September 8, 2013 by Lakitha

physics
An electron with initial speed = 2.5410^7 m/s is traveling parallel to an electric field of magnitude = 1.6610^4 N/C .
February 21, 2013 by Elmer

physics
A navy jet with a weight of 231 kN requires an airspeed of 85 m/s for liftoff. The engine develops a maximum force of 107 kN, but that is insufficient for reaching takeoff speed in the 90 m runway available on an aircraft carrier. What minimum force (assumed constant) is ...
November 26, 2006 by Dee

Chemistry
What is the enthalpy change (in kJ/mol) for the following process? Na+(g) + Br-(g) --> NaBr (s) Hint: use the Born-Haber cycle Note: the reference state for Br2 is Br2(l) not Br2(g) Data (in kJ/mol): enthalpy of sublimation of Na(s): 107 standard enthalpy of formation of ...
February 1, 2011 by Crystal

Physics
An electron is at rest. Can this electron be set into motion by applying a) a magnetic field? b) an electric field? Explain your answers. I know that that one of the fields can only be caused by movement, but I don't remember which one...
April 27, 2009 by Susan

(Math)Simplifying using the laws of exponents
I need help with a few problems. 1.) (x^3/4 times y^1/3)^2/3 How is the answer x^1/2y^2/9 2.)(x^-1/3 times y) (x^1/2 times y^-4/3) How is the answer x^1/6 over y^1/3 3.)(4a^2b^-7/2)^1/2 How is the answer 2a over b^3/4 4.) (x^2/3y^-1/3 over 8x^1/2y)^1/3 How is the answer x^1/18...
June 23, 2013 by ameme

physics
At some instant the velocity components of an electron moving between two charged parallel plates are vx = 1.5 105 m/s and vy = 3.0 103 m/s. Suppose the electric field between the plates is given by In unit-vector notation, what are (a) the electron's acceleration in that ...
January 26, 2011 by trisha

physics
An object with a net charge of 35 C is placed in a uniform electric field of 643 N/C, directed vertically. What is the mass of the object if it floats in the electric field?
February 5, 2010 by carla

physics
An object with a net charge of 21 C is placed in a uniform electric field of 590 N/C, directed vertically. What is the mass of the object if it "floats" in the electric field?
April 15, 2011 by Shannah

Physics
An object with a net charge of 20 C is placed in a uniform electric field of 627 N/C, directed vertically. What is the mass of the object if it floats in the electric field?
April 20, 2015 by Joey

AP Physics C
An electron follows a helical path in a uniform mag-netic field of magnitude 0.300 T. The pitch of the path is 6.00 um, and the magnitude of the magnetic force on the elec-tron is 2.00x10^-15 N. What is the electron's speed?
October 29, 2012 by Michelle

chem
(b) If the natural abundance of Ag-107 is 51.84%, what is the natural abundance of Ag-109? 48.16 % (c) If the mass of Ag-107 is 106.905, what is the mass of Ag-109? 108.9 amu so i got the answers correct but kinda forgot how because it took me a while so do you think you could...
September 29, 2010 by lisa

Chem
(b) If the natural abundance of Ag-107 is 51.84%, what is the natural abundance of Ag-109? % (c) If the mass of Ag-107 is 106.905, what is the mass of Ag-109? amu I really need help. Can u say the answer then explain how you got it? Thanks:)
September 26, 2010 by Rebekah

Physics
A non-conducting ring of radius with a uniform charge density and a total charge is lying in the - plane, as shown in the figure below. Consider a point P, located at a distance from the center of the ring along its axis of symmetry. (a) What is the direction of the electric ...
February 24, 2013 by P

physics
what is the magnitude and the direction of an electric field when an electron is accelrated vertically upward at a distance of 5.5 metres in 3 micro seconds?
May 4, 2014 by Anonymous

Electric field
The acceleration of an electron in an electric field with a strength of 7.0 N/C is?
December 31, 2015 by Joyce

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

Math evaluating expressions with rational numbers
Liquid nitrogen freezes at -346 degrees F and boils -321 F. Janice gradually heats frozen nitrogen 1 1/2 degrees several times over an hour. 1)Define variables for the number of times Janice increases the temperature and the temperature of the liquid nitrogen after the ...
September 14, 2014 by Kyra

Physics 11th Grade
A foam ball of a mass of 0.150 g carries a charge of -2.00 nC. The ball is in a uniform electric field, and is suspended against the force of gravity. What are the magnitude and direction of the electric field?
April 15, 2010 by Adam

Physics
Two blocks move along a linear path on a nearly frictionless air track. One block, of mass 0.107 kg, initially moves to the right at a speed of 4.70 m/s, while the second block, of mass 0.214 kg, is initially to the left of the first block and moving to the right at 6.80 m/s. ...
October 18, 2012 by koko

math question
/how do i solve this? The probability of winning a game is 15%. If you play 20 times,how many times should you expect to win? A.5 times B.3 times C.6 times D.15 times
June 5, 2014 by matt

PHYSICS
A proton, initially traveling in the +x-direction with a speed of 5.30105m/s , enters a uniform electric field directed vertically upward. After traveling in this field for 4.3810−7s , the protons velocity is directed 45 ∘ above the +x-axis. What is the strength...
January 28, 2014 by Mary

electrc field inside charged solid
how can electric field exist inside a uniform charge solid... when by gauss law electric field is zero inside a conductor
September 5, 2007 by sumit

Physics
An electron experiences a force of 12 mN in the positive x-direction in an electric field. What is the magnitude and direction of the electric field?
February 8, 2011 by Sam

physics
In Figure 20.2 is a velocity selector that can be used to measure the speed of a charged particle. A beam of particles is directed along the axis of the instrument. A parallel plate capacitor sets up an electric field E which is oriented perpendicular to a uniform magnetic ...
April 23, 2014 by Anonymous

Physics
A proton with mass 1.6710−27 kg and charge 1.6010−19 C accelerates from rest in a uniform electric field of strength 500 N/C. (a) What is the magnitude of the acceleration of the proton? (b) How long does it take the proton to reach a speed of 35,000 m/s? (c) ...
July 10, 2014 by Jane

physics
In the Millikan oil drop experiment, an atomizer (a sprayer with a fine nozzle) is used to introduce many tiny droplets of oil between two oppositely charged parallel metal plates. Some of the droplets pick up one or more excess electrons. The charge on the plates is adjusted ...
January 24, 2010 by James

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
Calculate the electric field which must be applied vertically to hold an electron steady in the earths gravitational field. Assume that the charge to mass ratio of the electron is 1.7581011 C kg-1 and that the acceleration due to gravity at the Earths surface is 9.8 ms-2
May 17, 2011 by Olivia

physics
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 19.0{\rm cm} , giving it a charge of -13.0\mu {\rm C} Find the electric field just outside the paint layer. Find the electric field 8.50{\rm cm} outside the surface of the ...
February 1, 2013 by Julie

Physics
An -particle has a charge of +2e and a mass of 6.64 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.10 106 V and then enters a uniform magnetic field whose magnitude is 3.10 T. The -particle moves perpendicular to the magnetic field ...
February 6, 2012 by DCM

Physics
An -particle has a charge of +2e and a mass of 6.64 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.16 106 V and then enters a uniform magnetic field whose magnitude is 3.00 T. The -particle moves perpendicular to the magnetic field...
March 25, 2013 by Don

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...
February 11, 2010 by Heidi

Geometry Question (multiple choice)!
The isosceles trapezoid is part of an isosceles triangle with a 34 vertex angle. What is the measure of an acute base angle of the trapezoid? Of an obtuse angle? 73; 107 34; 146 73; 146 34; 107 Thank you =) :) ;)
January 10, 2012 by Claire

physics
If the original electric field is 1.5x10^-4 N/C and the distance is reduced to one-half the original distance, what is the magnitude of the new electric field?
March 2, 2011 by anonymous

physics
A neutral solid conducting cylinder rotates about its axis with angular speed 1600 rad/s. In addition, there is an external magnetic field of induction B directed along the cylinder's axis. What must the magnitude of the magnetic fieldin Teslasso that no electric field is ...
April 21, 2013 by help

Physics
An electron is a subatomic particle (m = 9.11 *10^-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +5.31 * 10^5 m/s to a final velocity of +2.21 * 10^6 m/s while traveling a distance of 0.040 m. The ...
September 20, 2010 by Gerald

physics
What is the magnitude of the electric field a distance 3.0mm from an electron? Express your answer to two significant figures and include the appropriate units
January 27, 2014 by James

physics-mechanics-collisions,momentum, impulse
You are at the controls of a particle accelerator, sending a beam of 2.40107 protons (mass ) at a gas target of an unknown element. Your detector tells you that some protons bounce straight back after a collision with one of the nuclei of the unknown element. All such protons...
October 27, 2012 by HANNE

Physics :(( help please TT
A neutral solid conducting cylinder rotates about its axis with angular speed 1600 rad/s. In addition, there is an external magnetic field of induction B directed along the cylinder's axis. What must the magnitude of the magnetic field in Teslas so that no electric field is ...
April 16, 2013 by OIan

science
Charge of uniform surface density (0.2 nC/m2) is distributed over the entire xy plane. Determine the magnitude of the electric field at any point having z = 2 m.
October 3, 2011 by jenny

physics
Charge of uniform surface density (0.2 nC/m2) is distributed over the entire xy plane. Determine the magnitude of the electric field at any point having z = 2 m.
October 3, 2011 by jenny

physics
If the original electric field is 1.5 10-4 N/C and the distance is reduced to one-half the original distance, what is the magnitude of the new electric field?
March 2, 2011 by anonymous

Physics
An electron that has velocity v = (3 x 105 m/s) and moves along positive x direction through the uniform magnetic field B = (0.8T) which is along the positive z direction. a. Find the force on the electron (magnitude and direction). (e = - 1.6 x 10-19 C, m=9.1 x10-31 kg) b. ...
April 25, 2011 by asif

algebra
what is 22 over 7 times 3 times 4 plus 22 over 7 times 3 to the second power
October 11, 2009 by jhu

College Physics II
Consider a region in space where a uniform electric field E = 7450 N/C points in the negative x direction. What is the distance between the +13.1 V and the +14.1 V equipotentials?
September 15, 2010 by VJC

Physics
An electron is shot into a uniform magnetic field B = (.5 x + .8 y)T with an initial velocity of v = (4 x + 3 y) 106m/s. What is the force on the electron?
March 21, 2013 by Lindsey

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 - Electric Field
Find the electric field at a point midway between 2 charges of +40.0e-9 C and +60.0E-9 C separated by a distance of 30.0 cm. My work: q1=40E-9 q2=60e-9
March 23, 2015 by Marissa

Chemistry/Physics
A Sample of gas is held at constant pressure in a cylinder moved by a closed piston. If the volume is halved, how will the new Vrms speed compare with the old one? a) square root of 2 times greater b) the same c) 2 times greater d) 4 times greater e) none i think its e because...
January 7, 2009 by samantha

12th
an electron above the earth is balanced by the gravitational force and the electric field of the earth. find the electric field of the earth.
April 27, 2013 by priya

chemistry
A helium-filled balloon of the type used in long-distance flying contains 420,000 ft3 (1.2 times 107 L) of helium. Suppose you fill the balloon with helium on the ground, where the pressure is 737 mm Hg and the temperature is 16.0 C. When the balloon ascends to a height of 2 ...
March 30, 2007 by Helpme

physics
1. Suppose that the strength of the electric field about an isolated point charge has a certain value at a distance of 1 m. How will the electric field strength compare at a distance of 2 m from the point charge? I know it's At twice the distance the field strength will be 1/4...
July 14, 2010 by anonymous

Physics
An electron and a proton execute uniform circular motion in the presence of a uniform magnetic field. If the radius of the circle is the same for both particles, which of the following statements is true? A)Both particles move in the same direction; the electron moves faster ...
March 14, 2010 by Sandra

Physics
An electron and a proton execute uniform circular motion in the presence of a uniform magnetic field. If the radius of the circle is the same for both particles, which of the following statements is true? a. Both particles move in the same direction; the electron moves faster...
March 15, 2010 by mm.

physics
a ball with a mass of 0.150 g and positive charge of q=41.2 C is suspended on a string of negligible mass in a uniform electric field. We observe that the ball hangs at an angle of =22.0o from the vertical. What is the magnitude of the electric field?
August 25, 2010 by Matt

physics
An electron at rest is found to have a force of 0.40 N to the left. What is the electric field (magnitude and direction) at the location of the electron?
February 19, 2012 by Amber

physics
In an electric field an electron is kept freely. If the electron is replacee by a proton, what will be the relationship between the forces experienced by them?
May 18, 2014 by savita

physics
The electron in the Figure is travelling with a speed of 3  106 m/s. (a) At location A, what are the directions of the electric and magnetic elds due to the electron? (b) Calculate the magnitudes of the electric and magnetic elds at A due to the electron, if x = 2:5  10&#...
April 30, 2012 by musa

Physics
1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T 2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the velocity of the electron...
September 22, 2015 by ROSE-Help Me Please PLEASE!!!!!

PHYSICS
1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T 2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the velocity of the electron...
September 22, 2015 by Tricia

Math
1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T 2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the velocity of the electron...
September 22, 2015 by Please Help me to my HW?

PHYSICS
1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T 2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the velocity of the electron...
September 22, 2015 by Please! Anybody Help me.

PHYSICS
1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T 2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the velocity of the electron...
September 26, 2015 by Slow

PHYSICS
1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T 2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the velocity of the electron...
September 26, 2015 by Anonymous

physics
A. A uniform, upward-pointing electric field E of magnitude 3.00~103 N/C has been set up between two horizontal plates by charging the lower plate positively and the upper plate negatively. The plates have length L = 4 cm and separation d = 2.00 cm. An electron is then shot ...
January 20, 2010 by Andy

physics
A. A uniform, upward-pointing electric field E of magnitude 3.00~103 N/C has been set up between two horizontal plates by charging the lower plate positively and the upper plate negatively. The plates have length L = 4 cm and separation d = 2.00 cm. An electron is then shot ...
January 21, 2010 by Andy

Physics
A vertical wall (5.3 m multiplied by 2.3 m) in a house faces due east. A uniform electric field has a magnitude of 157 N/C. This field is parallel to the ground and points 38 north of east. What is the electric flux through the wall?
March 24, 2013 by Emilie

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

Algebra 2
Solve each system. x-4y-6z=-34 -7x+5y-7z=-24 z=5x-7y+18 These are my answers below but I know that they are wrong: x=-3894 y=-112852 z=-107,509,144 I have tried to solve this system probably 10 times, and still not getting an answer that checks back into the original equation...
January 29, 2016 by Taylor

Physics (2)
Consider a charged ring of radius 43.4 cm and total charge 18 nC. We are interested in the electric field a perpendicular distance z away from the center of the ring. At what distance from the center of the ring does the electric field become maximum ..so E=kQ/(x^2)at a ...
February 11, 2010 by Andrew

physics
An electron has a kinetic energy of 4.2 x 10-17 J. It moves on a circular path that is perpendicular to a uniform magnetic field of magnitude 3.3 x 10-5 T. Determine the radius of the path. The electron in the problem has Charge of the electron (q) = 1.6*10-19C Mass of the ...
April 3, 2009 by Determine the radius

College physics
Two 2.4 cm diameter disks spaced 1.5 mm apart form a parallel-plate capacitor. The electric field between the disks is 4.310^5 V/m. What is the voltage across the capacitor? How much charge is on each disk? An electron is launched from the negative plate. It strikes the ...
July 14, 2010 by Emoni

physics
An electron is traveling through a region of space in which the electric field is along the +x direction and has a magnitude of 1560 N/C. What is the acceleration of the electron?
September 12, 2010 by Anonymous

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

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