7. A balloon weighs 9.8 x 10-*N. If two uniformly charged balloons are brought together, one with Q and the other with -Q, what should Q be so that the attraction between them = mg?

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-R=10Cm
son weighs 9.8 x10 N. ,
If two undormly
mq
Transcribed Image Text:-R=10Cm son weighs 9.8 x10 N. , If two undormly mq
7. A balloon weighs 9.8 x 10-*N. If two uniformly charged balloons are brought together,
one with Q and the other with -Q, what should Q be so that the attraction between
them =
mg?
Transcribed Image Text:7. A balloon weighs 9.8 x 10-*N. If two uniformly charged balloons are brought together, one with Q and the other with -Q, what should Q be so that the attraction between them = mg?
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