A small metal ball with a mass of 4.0 g and a charge of 5.0

Last updated: 7/11/2022

A small metal ball with a mass of 4.0 g and a charge of 5.0 mC is located a distance of 0.70 m above the ground in an electric field of 12.0 N/C directed to the east. The ball is then released from rest. What is the velocity of the ball after it has moved downward a vertical distance of 0.30 m? (4.41 m/s, 32º below the horizontal}