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The force between charges is proportional to the product of their charges and inversely proportional to the square of the distance between them. kq192 f(x) = x2 Where q, and q, are in coulombs (C), x is in metres, the force is in newtons and k is a constant, k = 9 X10°. It follows that the work done when electric charges move toward each other (or when they are separated) is given by: Work = | k q192 dx An electron has a 1.6 X 10-19 C negative charge How much work is done in separating two electrons from 1.0 pm to 4.0 pm? (pm means picometre)

The force between charges is proportional to the product of their charges and inversely proportional to the square of the distance between them. kq192 f(x) = x2 Where q, and q, are in coulombs (C), x is in metres, the force is in newtons and k is a constant, k = 9 X10°. It follows that the work done when electric charges move toward each other (or when they are separated) is given by: Work = | k q192 dx An electron has a 1.6 X 10-19 C negative charge How much work is done in separating two electrons from 1.0 pm to 4.0 pm? (pm means picometre)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Part 5 The force between charges is proportional to the product of their charges and inversely proportional to the square of the distance between them. ką142 f(x) = x? Where q, and q2 are in coulombs (C), x is in metres, the force is in newtons and k is a constant, k = 9 X10°. It follows that the work done when electric charges move toward each other (or when they are separated) is given by: k q192 Work dx x2 An electron has a 1.6 X 10-19 C negative charge How much work is done in separating two electrons from 1.0 pm to 4.0 pm? (pm means picometre)
Transcribed Image Text:Part 5 The force between charges is proportional to the product of their charges and inversely proportional to the square of the distance between them. ką142 f(x) = x? Where q, and q2 are in coulombs (C), x is in metres, the force is in newtons and k is a constant, k = 9 X10°. It follows that the work done when electric charges move toward each other (or when they are separated) is given by: k q192 Work dx x2 An electron has a 1.6 X 10-19 C negative charge How much work is done in separating two electrons from 1.0 pm to 4.0 pm? (pm means picometre)
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