Physics Physics Practice Problems Solutions Library

Work From Electric Force Solutions Library

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17 solutions

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