A particle \(P\) is projected with speed \(24\,\text{m s}^{-1}\) at an angle \(\theta^\circ\) above the horizontal from a point \(O\) on a horizontal plane. At a horizontal distance \(35\) m from \(O\), there is a vertical wall of height \(10\) m.

(a) Determine the two values of \(\theta\) for which \(P\) just clears the wall.

(b) Given that \(P\) clears the wall, find the minimum distance from \(O\) where \(P\) can land.