Physics Physics Practice Problems Solutions Library

# Work From Electric Force Solutions Library

Access 21 Work From Electric Force video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Work From Electric Force learn videos.

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21 solutions

Work From Electric Force

#### Q. A point charge q1= +2.40μC is held stationary at the origin. A second point charge q2= -4.30μC moves from the point x = 0.175 m ,  y = 0 m , to the...

Solved • Jul 16, 2020

Work From Electric Force

#### Q. The aurora is caused when electrons and protons, moving in the earth's magnetic field of 5.0x105T, collide with molecules of the atmosphere and cau...

Solved • Jul 15, 2020

Work From Electric Force

#### Q. What is the emf of a battery that does 0.60 J of work to transfer 0.050 C of charge from the negative to the positive terminal?

Solved • Jul 14, 2020

Work From Electric Force

#### Q. Point charges q1 = +2.00 μC and q2 = -2.00 μC are placed at adjacent corners of a square for which the length of each side is 3.50 cm. Point a is a...

Solved • Jul 14, 2020

Work From Electric Force

#### Q. A battery-operated car utilizes a 120.0 V source.Find the charge the batteries must be able to move in order to accelerate the 720 kg car from rest...

Solved • Jun 2, 2020

Work From Electric Force

#### Q. A 30 nC charge is moved from a point where V1 = 130 V to a point where V2 = -70 V.How much work is done by the force that moves the charge?

Solved • May 21, 2020

Work From Electric Force

#### Q. In one of the classic nuclear physics experiments at the beginning of the 20th century, an alpha particle was accelerated towards a gold nucleus an...

Solved • Apr 8, 2020

Work From Electric Force

#### Q. An electron is initially at rest in a uniform electric field having a strength of 2.05 × 100 V/m. It is then released and accelerated by the presen...

Solved • Apr 8, 2020

Work From Electric Force

#### Q. If an electron goes through a 9V battery how much energy does it gain? How much energy would the electron gain if the battery were 12V instead? Ple...

Solved • Apr 7, 2020

Work From Electric Force

#### Q. A battery-operated car utilizes a 120.0 V battery with negligible internal resistance.Find the charge, in coulombs, the batteries must be able to s...

Solved • Mar 24, 2020

Work From Electric Force

#### Q. A negative charge (q = -0.75 coulombs) is placed above a floor that has a net positive charge. The floor creates a uniform electric field that has ...

Solved • Mar 18, 2020

Work From Electric Force

#### Q. An electron (q = −e) completes half of a circular orbit of radius r around a nucleus with Q = +3e.(a) How much work is done on the electron as it m...

Solved • Mar 11, 2020

Work From Electric Force

#### Q. A uniform electric field, with a magnitude of 15 x10 2 N/C, is directed parallel to the positive x-axis. The work done by the electron as it moves ...

Solved • May 29, 2017

Work From Electric Force

#### Q. A -3 μC point charge and a -9 μC point charge are initially extremely far apart. How much work does it take to bring the -3 μC charge to x = 3 mm, ...

Solved • Apr 27, 2017

Work From Electric Force

#### Q. Consider a square with sides L = 48cm and two negative charges Q = - 2.5 μC placed on the corners labeled with Q in the figure. How much work is re...

Solved • Jan 13, 2017

Work From Electric Force

#### Q. Three point charges, each of magnitude q, are placed at 3 corners of a square with sides of length L as shown. How much work is required to bring a...

Solved • Jan 12, 2017

Work From Electric Force

#### Q. Two point charges +9.0 μC are affixed at the corners of the base of an equilateral triangle, as shown in the figure. A third charge +3.3 μC is firs...

Solved • Jan 3, 2017

Work From Electric Force

#### Q. A 3.0 μC negative charge is attracted to a large, well-anchored, positive charge. How much kinetic energy does the negatively charged object gain i...

Solved • Jan 3, 2017

Work From Electric Force

#### Q. Through what potential difference would an electron need to be accelerated for it to achieve a speed of 2.4 % of the speed of light (2.99792×108 m/...

Solved • Dec 28, 2016

Work From Electric Force

#### Q. The two charges Q are fixed at the vertices of an equilateral triangle with sides of length a as shown.The work required to move a charge q from th...

Solved • Dec 28, 2016

Work From Electric Force

#### Q. Two point charges q1 = +10.00 nC and q 2 = +2.00 nC are 0.100 m apart as shown in the figure to the right. Point A is midway between q1 and q2. Poi...

Solved • Dec 27, 2016