Two 2.0-mm diameter beads, C and D, are 12mm mm apart, measured between their centers. Bead C has mass 1.0 g and charge 2.5nC nC. Bead D has mass 1.7g g and charge -1.0 nC. If the beads are released from rest, what is the speed vC at the instant the beads collide? and What is the speed vD at the instant the beads collide?

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.