karmarphantom karmarphantom

14-08-2017
Physics

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Two charged balloons 2.1 * 10È¹ meters apart have a repulsive force of 1.3 * 10È¹ newtons. The charge on one balloon is 8.2 * 10È¥ coulombs. What is the charge on the other balloon? (k = 9.0 * 10© newton·metersÆ/coulombÆ)

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fantasygamer fantasygamer

14-08-2017

f12=(8.98×10↑9 m/f)(1C)(-4C)/(4m)↑2=(8.98×10↑9 N·m↑2/c↑2)(-0.25C↑2/m↑2)~2.25×10↑9N i hope thats right

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