Q: Two particles start together from a point O and slide down along straight smooth wires inclined at 30° and 60° to the vertical plane and on the same side of vertical through O. The relative acceleration of second with respect to first will be of magnitude
(a) $\displaystyle \frac{g}{2} $
(b) $ \displaystyle \frac{\sqrt3 g}{2} $
(c) $\displaystyle \frac{g}{\sqrt 3} $
(d) g
Ans: (a)