An elevator cable winds on a drum of radius 800 cm that is, Ask an Expert

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An elevator cable winds on a drum of radius 80.0 cm that is connected to a motor.

(a) If the elevator is moving down at 0.60 m/s, what is the angular speed of the drum?

rad/s

(b) If the elevator moves down 9.0 m, how many revolutions has the drum made?

rev

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