Visit http://ilectureonline.com for more math and science lectures!

To donate:
http://www.ilectureonline.com/donate
https://www.patreon.com/user?u=3236071

Two small spheres each of mass 10ug are suspended from a point by threads 0.5m long. They are equally charged and repel each other to a distance of 0.20m. The charge on each of the sphere is (a/21)x10^-8C. The value of a=? (g=10m/s^2)

Previous video in this series can be seen at:
https://youtu.be/L9Xjve98dxI
Next video in this series can be seen at:
https://youtu.be/aAQ89UUACQ4