| Exam Board | CAIE |
| Module | FP1 (Further Pure Mathematics 1) |
| Year | 2010 |
| Session | November |
| Topic | Centre of Mass 2 |
3 A finite region \(R\) in the \(x - y\) plane is bounded by the curve with equation \(y = \sqrt { } x - \frac { 1 } { \sqrt { } x }\), the \(x\)-axis between \(x = 1\) and \(x = 4\), and the line \(x = 4\). Find the exact value of the \(y\)-coordinate of the centroid of \(R\).