Recent content by mattmro

guys I know I am a DA, i barely got by in physics I and I was able to get by without knowing how to do these type of problems, now I can't please help!

Homework Statement please see the pictures! Homework Equations F=k(q1)(q2)/r^2 The Attempt at a Solution okay, I am just curious as to why t cos theta and mg are x components when they are clearly on the y axix! I thought you used cos for x components and sin for y components