Name: _______________________

Quiz 2

09/26/2005

Ch. 18

Useful Numbers: k=8.99x10⁹ N m²/C²

1) 2 charges are placed at the base corners of an equilateral triangle with 3m sides: 2mC at bottom left and -3mC at the bottom right. What is the total electric field at the top corner of the triangle?

2) What would the force be on a -1mC charge placed at the top corner of the triangle in problem 1?