Q1. An electron starts from rest 78.7cm from a fixed point charge with Q = -0.184uC. How fast will the electron be moving when it is very far away?
Q2. A horizontal force of 213 N is exerted on a 1.90 kg discus as it rotates uniformly in a horizontal circle (at arm's length) of radius 1.60 m. determine the time for one revolution of the discus. Round the answer to 2 decimal places.