February 26, 2017

Homework Help: Physics

Posted by anybody on Wednesday, February 1, 2012 at 8:53pm.

The anode (positive terminal) of an X-ray tube is at a potential of +105000 V with respect to the cathode (negative terminal).
(a) How much work (in joules) is done by the electric force when an electron is accelerated from the cathode to the anode?
(b) If the electron is initially at rest, what kinetic energy does the electron have when it arrives at the anode?

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