Sue travels 10 miles north, 3 miles east, 7 miles south, 2 miles west, 1 mile north, 1 mile west, and 4 miles south. a. Draw the motion.
b. What is her displacement?
c. What is her distance?

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