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## ashleighleary 2 years ago Two balloons having the same charge of 1.2 × 10-6 coulombs each are kept 5.0 × 10-1 meters apart. What is the magnitude of the repulsive force between them? (k = 9.0 × 109 newton·meter2/coulombs2)

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1. dhrubo

use coulomb's law

2. Krishnadas

F=k*(q^2)/r^2

3. gurvinder

we have to use coulomb's law ...|dw:1355752555298:dw|

4. Krishnadas

$F=k \times q ^{2}/r ^{2}$

5. gurvinder

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