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May 28, 2015

Homework Help: Physics

Posted by Lila on Saturday, October 24, 2009 at 6:08pm.

A rock of a mass 0.2kg is attatched to a 0.75m long string and swung in a vertical plane. What is the slowest speed that the rock can travel and still maintain a circular path.

so, i started with the following equation: Fc= mv2/r
but where do i go from there to solve for v (what can i change Fc to? )

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