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September 4, 2015

Homework Help: Physics

Posted by Robert on Sunday, December 12, 2010 at 2:28pm.

A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 5.00 g coins stacked over the 7.0 cm mark, the stick is found to balance at the 41.0 cm mark. What is the mass of the meter stick? The answer is 38g but I don't understand how to get it.

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