Electrostatics class practice problem solutions and more

Below each solutiopn is video explaining the solution along with some physics.


YouTube help video YouTube video showing the solution above, http://youtu.be/AVKjMFwG_6k
YouTube help video YouTube video showing the solution to the problem above, http://youtu.be/YYTxeXi0Ibw

This is what your paper should look like. (Except for the lavender coloered "teacher's note.") Note how every calculation is explained before the math is done.

YouTube help video YouTube video showing the solution above.
YouTube help video YouTube video showing the solution above.
YouTube help video YouTube video showing the solution above.
YouTube video showing the solution and some more background information http://youtu.be/lzzxJ9MXIJs

by Tony Wayne ...(If you are a teacher, please feel free to use these resources in your teaching.)