Okay, so I got the first one... but the 2nd one boggles my mind. Could you give me a more... obvious hint? I tried doing vectors but that confused me even more...
1. If an alpha particle (q=+2e, m = 6.64*10^-27kg) is released from the positive plate (Vab=120V and the distance separating the plates is 12cm), with what velocity will it hit the negative plate?
2. An electron is fired from a negative plate toward a hole in a positive plate. It then...