Recent content by jbirse

Thanks! I knew it was probably pretty simple, but I was just unsure of what to exactly do. thanks

Homework Statement Three point charges +Q are placed at three corners of a square, and a charge -Q is placed at the fourth corner. If Q = 1.00 milli-coulomb and the side of the square has length 1.00 m, find the magnitude of net force that the positive charges exert on the negative charge...

Homework Statement A photocopier imaging drum is positively charged to attract negatively charged toner particles. Near the surface of the imaging drum, the E field has a magnitude of 1.90 × 105 N/C A. What must be the be the magnitude of the negative charge on a toner particle of mass 2.80 ×...