24. Electric Force & Field; Gauss' Law
Electric Field
8:27 minutes
Problem 21.58
Textbook Question
Textbook Question(II) A positive charge q is placed at the center of a circular ring of radius R. The ring carries a uniformly distributed negative charge of total magnitude ― Q.
(a) If the charge q is displaced from the center a small distance x as shown in Fig. 21–71, show that it will undergo simple harmonic motion when released.
(b) If its mass is m, what is its period?
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