A glass bead charged to $+3\mathrm{.}5$ n Cexerts an $6\mathrm{.}0{10}^{-4}$ Nepulsive electric force on a plastic bead $2\mathrm{.}9$ c maway.

Part A

What is the charge on the plastic bead?

$+1\mathrm{.}6nC$

$+5\mathrm{.}4$ n C

$+16nC$

$+540nC$

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