May 30, 2016

Homework Help: physics

Posted by favour on Wednesday, August 28, 2013 at 2:20am.

The electron beam in a television tube consist of electrons accelerated from rest through a potential difference of about 20000v. What is the speed of the electrons?(ignore relativistic effects). Electron rest mass is 9.11/times10^(-31)kg and electronic charge is 1.6/ times10(-19) c (a)8.4/times10^(7)m/s(b)3.8/times10^(6)m/s(c)6/times10^(6)m/s(d)4.7/times10^(7)m/s

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