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A 4.0 mg bead with a charge of 2.1 nC rests on a table. A second...

A 4.0 mg bead with a charge of 2.1 nC rests on a table. A second bead, with a charge of -6.8 nC is directly above the first bead and is slowly lowered toward it.

What is the closest the centers of the two beads can be brought together before the lower bead is lifted off the table?

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Answer #1

The bead gets itted when Fe ovncemes mg So, the closest uguired distance k Chn) 2 8 ax10x 2-1 X 6.8 X IO 4x 10 x9.8 0.057251m

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