athrun200 Messages 275 Reaction score 0 Thread starter Jul 22, 2011 #1 Homework Statement Homework Equations The Attempt at a Solution What's surprise? And is my work correct? Attachments 2.jpg 8.3 KB · Views: 465 3.jpg 23.7 KB · Views: 447
Homework Statement Homework Equations The Attempt at a Solution What's surprise? And is my work correct?
hunt_mat Homework Helper Messages 1,816 Reaction score 33 Jul 22, 2011 #2 You have a problem: [itex]\mathbf{r}=x\mathbf{i}+y\mathbf{j}+z\mathbf{k}[/itex].
athrun200 Messages 275 Reaction score 0 Jul 22, 2011 #3 hunt_mat said: You have a problem: [itex]\mathbf{r}=x\mathbf{i}+y\mathbf{j}+z\mathbf{k}[/itex]. r is the radius from centre, isn't it?
hunt_mat said: You have a problem: [itex]\mathbf{r}=x\mathbf{i}+y\mathbf{j}+z\mathbf{k}[/itex]. r is the radius from centre, isn't it?