Use the method in which the components of vectors are used to find the magnitude and direction of the resultant 120 N bearing 90°: 160 N bearing 180°: 410 N bearing 0 and 60 N bearing 270°

Aballet student who learns with the of his instructor is demonstrating learning.

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

Aphase diagram assumes is kept constant.