Wednesday
December 17, 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: 27,859

science
The electric field in the atmosphere is about 140 N/C, downward. (b) Find the electric force on a proton with charge +1.6 10-19 C. formula please??
January 30, 2008 by natasha

Physics
If a proton is released from rest in a uniform electric field does electric potential at its position increase, stay the same, or decrese?
February 23, 2010 by Anonymous

Physics
If a proton is released from rest in a uniform electric field does electric potential at its position increase, stay the same, or decrese?
February 24, 2010 by Sara

Physics
A proton, moving in negative y-direction in a magnetic field , experiences a force of magnitude F, acting in the negative x direction. a) What is the direction of the magnetic field producing force? b) Does your answer change if the word proton is replaced by electron? I get a...
October 25, 2011 by Jessica

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 - please check over
A charged particle moves at a constant velocity in a straight line through a region in space... a) is the electric field zero in the region? Explain b) is the magnetic field zero i the region? Explain I think a is yes because a charged particle will always create an electric ...
April 28, 2009 by Lana

Physics Flux
The electric flux through the surface shown in Figure Ex27.10 is 15.0 Nm2/C, and the electric field makes an angle = 70 with the surface. What is the electric field strength? The surface is a 10cm by 10cm square.
September 13, 2010 by David

physics
A laser emits 1.42 1018 photons per second in a beam of light that has a diameter of 1.82 mm and a wavelength of 524.0 nm. Determine each of the following for the electromagnetic wave that constitutes the beam. (a) the average electric field strength (b) the average magnetic ...
April 17, 2014 by Anonymous

PHYSICS
A doubly charged ion is accelerated to an energy of 34.0 keV by the electric field between two parallel conducting plates separated by 2.00 cm. What is the electric field strength between the plates?
September 30, 2012 by Kg

Physics
A doubly charged ion is accelerated to an energy of 33.0 keV by the electric field between two parallel conducting plates separated by 1.70 cm. What is the electric field strength between the plates?
March 23, 2014 by Sam

Physics
A proton experiences a force of 4 Newton when it enters perpendicular to the direction of the magnetic field with a speed 100 m/s. What is the force experienced by the proton if it enters parallel to the direction of the magnetic field with a speed of 200 m/s? 8 N 4 N 2 N 0 N ...
October 19, 2012 by Anonymous

College Physics
A doubly charged ion is accelerated to an energy of 33.0 keV by the electric field between two parallel conducting plates separated by 1.70 cm. What is the electric field strength between the plates?
March 24, 2014 by Bill

physics
Two large circular metal plates are parallel and nearly touching, only 4.1 mm apart. The two plates are connected to the opposite terminals of a 9 V battery. (a) What is the average electric field strength in the space between the plates? V/m (b) What is the electric force on ...
November 9, 2010 by dede

physics
How are electric potential and electric field strength related?
May 12, 2011 by ashley --- HELP PLEASEE!!!

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?
August 6, 2009 by Josh

Physics
A proton is located at a distance of 0.430 m from a point charge of +8.30 C. The repulsive electric force moves the proton until it is at a distance of 1.55 m from the charge. Suppose that the electric potential energy lost by the system is carried off by a photon that is ...
April 6, 2012 by DCM

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?
August 13, 2009 by Adam

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
A proton experiences a force of 4 Newton when it enters perpendicular to the direction of the magnetic field with a speed 100 m/s. What is the force experienced by the proton if it enters parallel to the direction of the magnetic field with a speed of 200 m/s?
February 2, 2013 by fred

Physics
A proton experiences a force of 4 Newton when it enters perpendicular to the direction of the magnetic field with a speed 100 m/s. What is the force experienced by the proton if it enters parallel to the direction of the magnetic field with a speed of 200 m/s?
February 3, 2013 by gaaaarh

physics
A laser emits 1.44*10^18 photons per second in a beam of light that has a diameter of 1.98 mm and a wavelength of 524.5 nm. (a) Determine the average electric field strength (b) Determine the average magnetic field strength for the electromagnetic wave that constitutes the beam.
April 16, 2008 by rick

Physic II
A flat disk 1.0 m in diameter is oriented so that the plane of the disk makes an angle of π/6 radians with a uniform electric field. If the field strength is 491.0 N/C, find the electric flux through the surface. Please show step by step
February 2, 2014 by John

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
1.) a charge of -2x10^-9 C in an electric field between two metal plates 4cm apart is acted upon by a force of 10^-4 N. a.) what is the strength of the field? b.) what is the potential difference between the plates? my question: how will going to solve this kind of problem? ...
February 8, 2009 by konan

Physics
What is the difference between electric force, electric potential energy, electric field strength, electric potential, and electric potential difference?
July 20, 2012 by KnowsNothing

science(physics)
Thank you very much for your help--I'm having trouble with this problem: what do i do? There are three point charges along the x axis: -4nC(0.5m left of y axis) 5nC(at origin) 3nC(0.8 right of y axis) I have to say what the electric field is at the point (2,0) and at the point...
January 20, 2011 by APPRECIATIVE STUDENT

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 Please help
A thin, horizontal 20cm20cm copper plate is charged with 1.710^10 electrons. Consider the electrons are uniformly distributed on the surface. A. What is the strength of the electric field 0.1 mm above the center of the top surface of the plate? E=____ N/C B. What is the ...
May 21, 2014 by Josh

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

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

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 ...
April 14, 2009 by sweety

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.
May 19, 2012 by Pat

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...
April 13, 2011 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...
April 13, 2011 by Ziera

Physics
A proton moving with a speed of 200 m/s enters perpendicular to the direction of the magnetic field and experiences a force of 2x10^-18N. What is the magnitude of the magnetic field? any help is reallya appreciated
January 27, 2013 by anonymous

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
A 23.6μC point charge lies at the origin. Find the electric field at the point (0.55m , 0). What is the magnitude of the electric field? Express your answers using two significant figures. Enter the x and y components of the field separated by a comma. Find the electric ...
February 4, 2014 by jrfannin

physics
please check my answers and help me with the first one. how can you charge an object negatively with only the help of a positively charged object? -This one I am not too sure, when one material is rubbed against another electrons jump readily from one to the other but protons ...
November 6, 2007 by Soly

Physics
There is a very large horizontal conducting plate in the plane (consider it infinitely large). Its thickness is . The charge densities on the upper and the lower surfaces are both equal to . The goal of this problem is to find the electric field (magnitude and direction) at ...
February 24, 2013 by P

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 ...
January 25, 2012 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 ...
January 25, 2012 by Sarah

PHYSICS
A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in the +x direction when its velocity is in the +z direction. Determine the magnitude and direction of the field.
October 29, 2013 by Kathy

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...
February 4, 2013 by Ian

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 quick help please
6. If 4.0 1018 J of work done on a point charge changes its electric potential difference by 25.0 V, then what is the magnitude of the charge? (Points : 1) 1.6 101^9 C 4.0 101^9 C 1.6 101^8 C 4.0 101^8 C 7. Two parallel plates have an electric field strength between...
May 1, 2014 by Jacob

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
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...
March 13, 2010 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...
March 15, 2010 by mm.

College Physics
A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in the +x direction when its velocity is in the +z direction. Determine the magnitude and direction of the field.
October 25, 2013 by Suhani

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

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

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...
March 13, 2010 by lauren

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...
August 6, 2010 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 ...
January 26, 2012 by jason

Physic
Two point charges of magnitude +3.0 nC and +2.0 nC respectively are placed 2.0cm apart. Calculate the resultant electric field strength at their midpont(where the positive test charge are place at the midpoint)
December 16, 2014 by Syam

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 ...
December 9, 2008 by al

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 electric field intensity at a point 2 meters from the surface of a uniformly charged conducting sphere is 1920 N/C. At a point 4 meters from its center, the electric field intensity is 3000 N/C. a.) Determine the radius of the sphere. Determine the electric field intensity...
February 4, 2013 by Bruce

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?
March 12, 2009 by jeff

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

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 ...
July 8, 2012 by Stephanie22-2

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
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?
October 29, 2013 by Edmound

PHYSICS
A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in the +x direction when its velocity is in the +z direction. Determine the magnitude and direction of the field. T in the direction
October 24, 2013 by smita

PHYSICS
A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in the +x direction when its velocity is in the +z direction. Determine the magnitude and direction of the field. T in the direction
October 26, 2013 by smita

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...
October 19, 2012 by Blah

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 ...
February 27, 2013 by Anonymous

science
an electron is released into a uniform electric field of magnitude 1.5 x 10^3 N/C. Calculate the acceleration of the electron, neglecting gravity. I know that if a charge is released in the electric field, it experiences a force and accelerates, gaining kinetic energy, so is a...
January 26, 2011 by becka

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
October 19, 2012 by La La

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

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.
June 13, 2012 by Beth

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 ...
April 14, 2009 by sweety

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 ...
February 25, 2013 by P

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
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...
April 21, 2009 by Linn

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...
April 21, 2009 by Linn

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?
December 4, 2011 by Richard

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.
August 11, 2011 by Ashik

PHY
An electron that is released from the rest in a uniform electric field of 30 N/C experiences a voltage change of 60 volts as the electron moves ____ m in the field. a. 5 b. 2 c. 3 d. 0 e. 10 f. 0.4 g. 30
May 31, 2011 by Anonymous

Physics
What is the electric field midway between an electron and a proton separated by 0.7 nm?
December 5, 2011 by Danny

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?
September 3, 2013 by Deddie

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 ...
February 4, 2014 by jrfannin

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
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...
October 23, 2011 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...
October 23, 2011 by Jessica

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?
April 6, 2014 by Anonymous

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
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 ...
January 27, 2010 by jibjab

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.
November 10, 2013 by manu

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 ...
September 13, 2010 by VJC

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

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
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

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 ...
July 25, 2010 by Alinkashia

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?
January 27, 2012 by Mike

physics
A 42 mT magnetic field points due west. If a proton of kinetic energy 9x10E-12 J enters this field in an upward direction, find the magnetic force acting on the proton in magnitude and direction. What magnetic force would an electron experience due to Earths magnetic field if...
July 27, 2014 by seanmarch58

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) ...
February 24, 2013 by P

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?
February 14, 2010 by jane e.

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.
April 14, 2012 by Jim

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Search
Members