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anonymous
 one year ago
The charges on two metallic balls are 5.0 and 7.0 coulombs respectively. They are kept 1.2 meters apart. What is the force of interaction between the two?
(k = 9.0 * 10© newton·metersÆ/coulombÆ)
A. 2.2 x10^11 newtons
B 4.1 x 10^7 newtons
C. 5.0 x 10^11 newtons
D. 7.0 x 1^7 newtons
anonymous
 one year ago
The charges on two metallic balls are 5.0 and 7.0 coulombs respectively. They are kept 1.2 meters apart. What is the force of interaction between the two? (k = 9.0 * 10© newton·metersÆ/coulombÆ) A. 2.2 x10^11 newtons B 4.1 x 10^7 newtons C. 5.0 x 10^11 newtons D. 7.0 x 1^7 newtons

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rvc
 one year ago
Best ResponseYou've already chosen the best response.0\[F=\frac{ 1 }{ 4 \pi \epsilon k }\frac{ Q_1O_2 }{ r^2 }\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i dont know how to plug that in.... @rvc

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i dont get coulombs law or whatever this is

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so would it be A? @rvc

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0it is A, thank you that really helped! @rvc
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