(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Point A is at an electrostatic potential of +1V relative to point B in a vacuum. An electron initially at rest at B moves to A. What is its velocity in m/s?

2. Relevant equations

E = PE + KE

PE= J/q * q

KE = 0.5 mv^2 (where v = velocity)

3. The attempt at a solution

Based on the definiton of an electron volt (eV), the energy of the electron is 1eV or 1.6E-19 Joules.

In solving the first equation:

1.6E-19 J = 1 J/C * e- + 0.5mv^2

e-= 1.6E-19C

based on my error (whatever that may be)

0 = 0.5mv^2 which means v=0, this doesn't seem correct.

Any suggestions?

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# Homework Help: Electrostatic potential and velocity

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