An ice cube is kept on an inclined plane of angle \( 30^{\circ} \). Coefficient of kinetic frict...

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An ice cube is kept on an inclined plane of angle \( 30^{\circ} \). Coefficient of kinetic friction between block and incline plane is \( 1 / \sqrt{3} \). What is acceleration of block
[BHU 2006]
(a) Zero
(b) \( 2 \mathrm{~m} / \mathrm{s}^{2} \)
(c) \( 1.5 \mathrm{~m} / \mathrm{s}^{2} \)
(d) \( 5 \mathrm{~m} / \mathrm{s}^{2} \)
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