2nd Edition

ISBN: 9780805303087

Author: Randy Harris

Publisher: Addison Wesley

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The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot mov…

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Textbook Question

Chapter 2, Problem 115CE

A point charge + q rests halfway between two steady streams of positive charge of equal charge per unit length (, moving opposite directions and each at c / 3 relative to point charge. With equal electric forces on the point charge, it would remain at rest. Consider the situation from a frame moving right at c / 3 . (a) Find the charge per unit length of each stream in this frame. (b) Calculate the electric force and the magnetic force on the point charge in this frame, and explain why they must be related the way they are. (Recall that the electric field of a line of charge is λ / 2 π ε 0 r , that the magnetic field of a long wire is μ 0 I / 2 π r , and that the magnetic force is q v × B . You will also need to relate ( and the current I.)

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Chapter 2, Problem 114CE

Chapter 2, Problem 116CE

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Chapter 2 Solutions

Modern Physics

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