Question

String is wrapped around the periphery of a 5.0-cm radius cylinder, free to rotate on its axis. The string is pulled straight out at a constant rate of 10 cm/s and does not slip on the cylinder. As each small segment of string leaves the cylinder, the segment's acceleration changes by:
A) 0 m/s2
B) 0.010 m/s2
C) 0.020 m/s2
D) 0.10 m/s2
E) 0.20 m/s2

Answer

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