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Engineering

Q.32. A solid cylinder having radius R and length L is slipping on a rough horizontal plane. At time t = 0 the cylinder has a translational velocity v = 49 m/s, perpendicular to its axis and a rotational velocity v /4R about the centre. The time taken by the cylinder to start rolling is seconds. (coefficient of kinetic friction μ_k = 0.25 and g = 9.8 m/s²)