Four equal point charges located at the vertices of a square of side a. find the resultant electric side at
P1/2a, 1/2a

Which is not true about oxygen-17 and oxygen-18?

Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.

The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.