Answer to Question #45662 in Other Physics for irebami
The electron beam in a television tube consists of electrons accelerated from rest through a potential difference of about 20 000V. What is the speed of the electrons? (Ignore relativistic effects). Electron rest mass is 911×10−31kg and electronic charge is16×10−19C.
a. 8.4×107 m/s b. 3.8×106 m/s c. 6×106 m/s d. 4.7×107 m/s