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?

Question

anonymous · Answer

5 and 7 C ?!? :O :O my my thats a lot!!

anyways.. Have you heard of Coulomb's law?

anonymous · Answer

yes

anonymous · Answer

Can u state the mathematical form of it?!

anonymous · Answer

whats the formula?

anonymous · Answer

I am asking you that.. the formula is just Coulomb's law.. !!

anonymous · Answer

F =k q1* q2/r^2

anonymous · Answer

the answer choices are 
2.2*10^11 newtons 
4.1*10^-7 newtons
5.0*10^11
7.0*10^-7

anonymous · Answer

Just plug in the numbers and try to get an answer
plz don't expect to get an answer here.. here we will help you.. not do your homework!