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Answer to Question #45779 in Electromagnetism for irebami

Question #45779
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 9.11×10−31
kg and electronic charge is 1.6×10−19C.

a. 8.4×107
m/s
b. 3.8×106
m/s
c. 6×106
m/s
d. 4.7×107
m/s
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