A threaded rod with 12.0 turns / cm and 1.18 cm in diameter is mounted horizontally. I screwed a threaded rod with a hole to attach to the bar. The bar rotates at 237 revolutions / min. How long will the bar to travel 1.50 cm threaded rod? I tried using the data of the diameter but could not. Help me!
closed as too localized by David Zaslavsky♦ Nov 1 '11 at 6:40
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