Recent content by Fireupchip

Anyone?

My physics professor said to avoid using the quadratic equation in this situation. Where am I going wrong?

So if I multiply the square out on the right, there'll still be an r on the left side.

Homework Statement A charge of 2.21E-9 C is placed at the origin, and a charge of 3.78E-9 C is placed at x = 1.60 m. Find the position at which a third charge of 2.94E-9 C can be placed so that the net electrostatic force on it is zero. Homework Equations Coloumb's law The Attempt at a...