Help pls I don’t know what to do

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v

What is the measurement of how fast an object moves relative to a reference point?

If the textbook weighs 19.6 newtons on venus, what is the strength of gravity on venus?