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April 18, 2014

April 18, 2014

Posted by **meme** on Thursday, January 24, 2013 at 8:52pm.

- science (physics) -
**drwls**, Thursday, January 24, 2013 at 9:32pmIn physics, Numbers that you add or subtract must have the same units. You cannot subtract newtons from kilogram-newtons or kilograms

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