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In the arrangement shown in the figure, the block of mass \( m=2 \mathrm{~kg} \) lies on the wedge on mass \( M=8 \mathrm{~kg} \). Find the initial acceleration of the wedge if the
\( \mathrm{P} \) surfaces are smooth and pulley \& strings are

W massless.
(1) \( a=\frac{30 \sqrt{3}}{23} \mathrm{~m} / \mathrm{s}^{2} \)
(2) \( a=\frac{20 \sqrt{3}}{23} \mathrm{~m} / \mathrm{s}^{2} \)
(3) \( a=\frac{20 \sqrt{2}}{23} \mathrm{~m} / \mathrm{s}^{2} \)
(4) none of these
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