Question: The x axis is the symmetry axis of a stationary uniformly charged ring of radius R and charge Q (Fig. P25.67) a point charge Q

The x axis is the symmetry axis of a stationary uniformly charged ring of radius R and charge Q (Fig. P25.67) a point charge Q of mass M is located initially at the center of the ring. When it is displaced slightly, the point charge accelerates along the x axis to infinity. Show that the ultimate speed of the point charge is

The x axis is the symmetry axis

2ke2/2 MR Uniformly charged ring

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