What is the electric potential energy of the soot particle at this point?
1.7×10−8 J1.7 \times 10^{-8}\text{ J}1.7×10−8 J
1.7×10−8 J C−11.7 \times 10^{-8}\text{ J C}^{-1}1.7×10−8 J C−1
1.5×10−3 J C−11.5 \times 10^{-3}\text{ J C}^{-1}1.5×10−3 J C−1
1.5×10−3 J1.5 \times 10^{-3}\text{ J}1.5×10−3 J
