Proton is moving along axis of uniformly charged thin ring

Reference no: EM13539299

A proton is moving along the axis of a uniformly charged thin ring, of 20 nC/cm. The radius of the ring is 5 cm. If the proton started initially at 10 cm from the center of the ring with an initial velocity towards the ring, what initial speed does it need to be able to cross the plane of the ring?

Reference no: EM13539299

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