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April 21, 2014

April 21, 2014

Posted by **Ethan** on Wednesday, February 16, 2011 at 4:36pm.

- Physics -
**drwls**, Wednesday, February 16, 2011 at 5:44pm11 cm = 0.11 m hung over the edge, and the center of mass of that part of the chain was 0.055 m below the edge.

The work required to lift it all onto the table would be

W = m g H =

0.021 kg*g*(0.055 m) = ___ joules

- Physics -
**Kyle**, Sunday, March 10, 2013 at 6:28pm0.11 m, so the center of mass of that part of the chain is 0.055 m below edge.

W = mgH = (0.021/3)kg*g*(0.055) = ____J

notice that the kg is different.

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