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April 24, 2014

Homework Help: Physics

Posted by John on Friday, December 4, 2009 at 2:55am.

One end of a thin uniform rod, 1.00m in length, is attached to a pivot. The rod is free to rotate about the pivot without friction or air resistance. Initially, it is hanging straight down (the "6 o' clock position). Then the lower tip is given an initial horizontal speed of Vti, so that the rod rotates upward, about its pivot. Find the value of Vti so that the rod just reaches the "12 o' clock" position (straight up), coming to a momentary halt there.

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