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A large square sheet (not a rod!) has a total charge -Q distributed uniformly over its area. This sheet makes a uniform electric field E. A positive point charge is moved (by you) a distance Ax away from the sheet at constant speed, as shown at right. a) For each of the forces on the charge during this motion, determine whether the work done by the force was positive, negative, or zero. Explain your reasoning. L c) +q b) For each of the following systems, has the potential energy, increased, decreased, or remained constant? Does this depend on the sign of the point charge? Explain in each case. • The system of just the point charge The sheet-point charge system Ax Has the point charge moved to a position of higher or lower potential? Does your answer depend on the sign of the point charge? Explain

A large square sheet (not a rod!) has a total charge -Q distributed uniformly over its area. This sheet makes a uniform electric field E. A positive point charge is moved (by you) a distance Ax away from the sheet at constant speed, as shown at right. a) For each of the forces on the charge during this motion, determine whether the work done by the force was positive, negative, or zero. Explain your reasoning. L c) +q b) For each of the following systems, has the potential energy, increased, decreased, or remained constant? Does this depend on the sign of the point charge? Explain in each case. • The system of just the point charge The sheet-point charge system Ax Has the point charge moved to a position of higher or lower potential? Does your answer depend on the sign of the point charge? Explain

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A large square sheet (not a rod!) has a total charge -Q distributed uniformly over its area. This sheet makes a uniform electric field Ē. A positive point charge is moved (by you) a distance Ax away from the sheet at constant speed, as shown at right. a) For each of the forces on the charge during this motion, determine whether the work done by the force was positive, negative, or zero. Explain your reasoning. b) c) L The sheet-point charge system +q Ax For each of the following systems, has the potential energy, increased, decreased, or remained constant? Does this depend on the sign of the point charge? Explain in each case. • The system of just the point charge Has the point charge moved to a position of higher or lower potential? Does your answer depend on the sign of the point charge? Explain
Transcribed Image Text:A large square sheet (not a rod!) has a total charge -Q distributed uniformly over its area. This sheet makes a uniform electric field Ē. A positive point charge is moved (by you) a distance Ax away from the sheet at constant speed, as shown at right. a) For each of the forces on the charge during this motion, determine whether the work done by the force was positive, negative, or zero. Explain your reasoning. b) c) L The sheet-point charge system +q Ax For each of the following systems, has the potential energy, increased, decreased, or remained constant? Does this depend on the sign of the point charge? Explain in each case. • The system of just the point charge Has the point charge moved to a position of higher or lower potential? Does your answer depend on the sign of the point charge? Explain
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