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Question:

A bucket in an old well is hoisted upward by a rope which winds up on a cylinder having a radius of .05 m.?

A bucket in an old well is hoisted upward by a rope which winds up on a cylinder having a radius of .05 m.?

Answer:

Key equation : rad / sec = velocity / radius rad / sec = 15 / 0.05 rad / sec = 300 rev / sec = ( rad / sec ) / ( 2 * pi ) rev /sec = 47.746

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