Asked by tony
The electrons in a TV tube are accelerated from rest through a potential difference of 18kV. Esimate the speed of the electrons after they have been accelerated by this potential difference.
Answers
Answered by
bobpursley
energy=potenial *charge
energy also is 1/2 m v^2
you know potential, mass of electron, and charge on an electron. Solve for velocity
energy also is 1/2 m v^2
you know potential, mass of electron, and charge on an electron. Solve for velocity
Answered by
Diana
79515.55
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