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April 20, 2014

Homework Help: Physics

Posted by Lilia on Thursday, January 10, 2013 at 8:59am.

An electron with a mass of 9.11 *10^31 Kg is accelerated from rest across a set if parallel plates that have a potential difference of 150 v and are separated by 0.80 cm
A) determine the kinetic energy of the electron after it crosses between the plates. (Ans 2.4 * 10-17 )
B) determine the final speed of he electron ( ans 7.3 * 10^6 m/s)
C) determine the acceleration of the electron while it is between the plates. ( ans 3.3 * 10^15 m/s)
D) determine the time required for the electron
to travel across the plates. (Ans 2.2 * 10-9 s)

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