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27 Nov 2019

A particle of charge +3.0 x 10-8 is in a unifrom electric fielddirected to the left. It is released from rest and moves a distanceof 5.0 cm and its kinetic energy is increased by +4.5 x -4 J.

a) What is the work fone by the electric force?______________units?_____________

b) What is the magnitude of the electric field?_______________units?____________

c)What is the electric potential of the starting point relative tothe endpoint of the path____________? units?________________

Use symbols for the units.

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Tod Thiel
Tod ThielLv2
27 Feb 2019

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

A particle of charge +3.0 x 10-8 is in a unifrom electric fielddirected to the left. It is released from rest and moves a distanceof 5.0 cm and its kinetic energy is increased by +4.5 x -4 J.

a) What is the work fone by the electric force? units?

b) What is the magnitude of the electric field? units?

c)What is the electric potential of the starting point relative tothe endpoint of the path? units?

Use symbols for the units.

1. A particle has a charge of +1.5μC and moves from point A topoint B, a distance of 0.25m. The particle experiences a constantelectric force, and its motion is along the line of action of theforce. The difference between the particle's electric potentialenergy at A and B is EPE(a) - EPE(b) = +6.00 x 10^-4 J.

(a) Find the magnitude and direction of the electric force thatacts on the particle.

magnitude __________N direction____________

(b) Find the magnitude and direction of the electric field thatthe particle experiences.

magnitude___________N/C direction___________

2. A positive charge +q1 is located to the left of a negativecharge -q2. On a line passing through the two charges, there aretwo places where the total potential is zero. The first place isbetween the charges and is 1.0 cm to the left of the negativecharge. the second place is 5.2 cm to the right of the negativecharge.

(a) What is the distance between the charges?

___________cm

(b) Find q1/q2, the ratio of the magnitudes of the charges.

q1/q2 = ____________

Two facing surfaces of two large parallel conductingplatesseparated by 11.5 cm haveuniform surface charge densitiessuch that are equal in magnitudebut opposite in sign. Thedifference in potential between theplates is 600 V.

(a) Is the positive or the negative plate at thehigherpotential?
thepositive platethenegative plate



(b) What is the magnitude of the electric field betweentheplates?
kV/m

(c) An electron is released from rest next to the negativelychargedsurface. Find the work done by the electric field on theelectron asthe electron moves from the release point to thepositive plate.Express your answer in both electron volts andjoules.
eV
J

(d) What is the change in potential energy of the electron whenitmoves from the release point to the positive plate?
eV

(e) What is its kinetic energy when it reaches thepositiveplate?
eV

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