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Homework answers / question archive / How much work W is done by the electrostatic force on the moving point charge? Express your answer in joules
How much work W is done by the electrostatic force on the moving point charge?
Express your answer in joules. Use k for Coulomb's constant.
intiial potential energy of the system = kq1q2/d
where d = sqrt(x1^2 + 0) = x1
final potential energy of the system = kq1q2/sqrt(x2^2 + y2^2)
workdone W = change in potential energy = kq1q2 [ 1/sqrt(x2^2 + y2^2) - 1/x1 ]
