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1.Figure shows a small block A of mass m kept at the left end of a plank B of massM 2m and length l. The system can slide on a horizontal road. The system isstarted towards right with the initial velocity v. The friction coefficients between theroad and the plank is 1/2 and that between the plank and the block is 1/4. Find (a) thetime elapsed before the block separates from the plank. (b) displacement of blockand plank with respect to ground till that moment ?the horizontal surface below the bigger blo |
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