The Electric Potential
29.1 Electric Potential Energy
29.2 The Potential Energy of Point Charges
1. Positive and negative point charges are inside a parallelplate capacitor.
The point charges interact only with the capacitor, not with each other.
10:1 ANatural Money" Called Energy
1. One month, John has income of $3000, expenses of $2500, and he sells $300 of stocks.
a. Can you determine Johns liquid assets L at the end of the month? If so, what is L? If not,
Why or? I40 , VJL 60"0idt'l'