A wedge as shown in figure has a rough curved surface of coefficient of kinetic friction \( \fra...

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A wedge as shown in figure has a rough curved surface of coefficient of kinetic friction \( \frac{1}{\sqrt{3}} \)
\( P \) whose shape can be given by equation \( y=x^{2} \), W. where the horizontal direction is \( \mathrm{x} \)-axis, vertical direction as \( y \) axis and the end of surface \( O \) as origin and \( \mathrm{x} \& \mathrm{y} \) are measured in meter. A small block is released, from a certain point on the surface. The maximum height of the point from where block should be released so that it does not slip.
(1) \( \frac{1}{4} \mathrm{~m} \)
(2) \( \frac{1}{6} m \)
(3) \( \frac{1}{12} \mathrm{~m} \)
(4) \( \frac{1}{16} m \)
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