Recent content by dizewarrior

thanks everyone! few questions though, 1) where can I find a guide on posting LaTeX code on the forums? 2) does the 1/(r^2) * (r^2 * v_r): does the r^2 come from metric coefficients?

Homework Statement Show that the vector v = \frac{\hat{r}}{r2} (not sure why formatting isn't working?) v = (r-hat) over (r squared) has zero divergence (it is solenoidal) and zero curl (it is irrotational) for r not equal to 0 Homework Equations div(V) = (d/dx)V_x + (d/dy)V_y +...