Physics

Problem

Two identical point charges of

+3.0\,\mu\text{C}

are initially

0.60\,\text{m}

apart. What is the change in the electric potential energy of the system when the separation is reduced to

0.20\,\text{m}

? a)

-0.27\,\text{J}

0.135\,\text{J}

0.27\,\text{J}

0.202\,\text{J}