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AP® Physics 1 & 2

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Moderate

Three Washers

APPH12-Y2E9F4

Three metal washers are hung by insulating threads. One washer has a charge of $480\text{ micro-coulombs}$. The other two washers are neutral. The three washers are brought together so that they all simultaneously touch one another.

What is the final charge on each washer?

A

$1.6 \times { 10 }^{ -4 } \text{ C}$

B

$4.80 \times { 10 }^{ -4 } \text{ C}$

C

$1.44\times { 10 }^{ -3 } \text{ C}$

D

$0.00 \space \text{ C}$