Answer to Question #302034 in Physics for Ella

Question #302034

Three-point charges of 0.07uC and 0.24uC are 35 cm apart in air. What is the potential energy of the system?

Expert's answer

The potential energy of system

"W=k\\frac{q_1q_2}{r}\\\\\n=9*10^9*\\frac{0.07*10^{-6}*0.24*10^{-6}}{0.35}=4.32*10^{-4}\\;\\rm J"

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