Factor the expression shown below completely​

Which two particles are found in the center of an atom

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

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.