Solved: A particle of charge +7.5/LC is released from rest
Chapter , Problem 41(choose chapter or problem)
A particle of charge +7.5/LC is released from rest at the point x = 60 cm on an x axis. The particle begins to move due to the presence of a charge Q that remains fixed at the origin. What is the kinetic energy of the particle at the instant it has moved 40 cm if (a) Q = +20 /LC and (b) Q = -20/LC?
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