Q1. An electron starts from rest 75.5 cm from a fixed point charge with Q = -0.150 µC. How fast will the electron be moving when it is too far away?
Q2. A space station, in the form of a wheel 102 m in diameter, rotates to provide an "artificial gravity" of 3.50 m/s2 for persons who walk around on the inner wall of the outer rim. Find the rate of wheel's rotation in revolutions per minute that will produce this effect.