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A uniform cylinder of radius b= 0.25 m is given an angular speed of wo= 35 rad/s about
an axis, parallel to its length, which passes through its centre. The cylinder is gently
lowered onto a horizontal frictional surface, and released. The coefficient of friction of
the surface is = 0.15. How long does it take before the cylinder starts to roll without
slipping?
00
cylinder
surface

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