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December 20, 2014

Homework Help: physics

Posted by olga on Thursday, February 10, 2011 at 11:25am.

You’re sanding a table. You must exert a force of 23 N on the sandpaper to keep it moving steadily across the table’s surface. You slide the paper back and forth for 23 minutes, during which time you move it 1090 m. How much work have you done?

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