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April 1, 2015

April 1, 2015

Posted by **Marco** on Thursday, November 10, 2011 at 2:21am.

- physics -
**drwls**, Thursday, November 10, 2011 at 4:53amMultiply the average angular speed, which is 1.6 rev/s rev/s, by the number of seconds that it takes to fall vertically 7.4 meters.

t = sqrt(2H/g) = 1.23 seconds

About 2 revolutions is the answer.

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