An electron travelling at [tex] 2.5 \cdot 10^8 m/s[/tex] of passes through a hole in a screen into a region where there is a uniform electric field strength [tex] 6.5 \cdot 10^4 N/C [/tex]. If the velocity of the electron is in the same direction as that of the electric field, how far does the electron travel before it reverses its direction of motion?(adsbygoogle = window.adsbygoogle || []).push({});

Now this is the question in its entirety, it was a question off my half-yearly examination which i attempted incorrectly. Now ultimately all i know to this question is that it has to meet an opposite charge before it can reverses it's motion...would anyone be nice enough for me to understand how to attempt this question correctly next time. Thanks

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Electrical Energy

**Physics Forums | Science Articles, Homework Help, Discussion**