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Answer to Question #31252 in Electric Circuits for Aaron Okievs.
Question #31252
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^−19 C.
a. 8.4×107 m/s
b. 3.8×106 m/s
c. 6×106 m/s
d. 4.7×107 m/s
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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