Physics for Scientists and Engineers, Vol. 1
6th Edition
ISBN: 9781429201322
Author: Paul A. Tipler, Gene Mosca
Publisher: Macmillan Higher Education
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Chapter 21, Problem 7P
To determine
The reason why the ball is attracted or repelled from the rod.
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Rub a comb through your hair and use it to lift pieces of paper. It may help to tear the piecesof paper rather than cut them neatly. Repeat the exercise in your bathroom aftery you have had a long shower and the air in the bathroom is moist. Is it easier to get electrostaticeffects in dry or moist air? Why would torn paper be more attractive to thec combthan cut paper? Explain your observations.
Chapter 21 Solutions
Physics for Scientists and Engineers, Vol. 1
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