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October 31, 2014

Homework Help: physics

Posted by sophie on Tuesday, April 7, 2009 at 5:33pm.

A negatively charged balloon sticks to a wooden door. However, an uncharged balloon does not stick to a wooden door. What is the nature of the charge on the wooden door?
A. Electrically neutral
B. Positively charged
C. Conductor
D. Lacking protons
I am thinking it is A or B?

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