Posted by **Angela** on Friday, February 25, 2011 at 2:14pm.

What is the force between two small charged spheres that have charges of 2 x 10^-7 and 3 x 10^-7 if the distance of r is 30 cm.

I think you use Force = the constant of K multiplied by the product of the charges divided by the square of the distance again. If you plug in the numbers, you would get 6 x 10^-7.

I am almost sure this is right, if you could please plug in the numbers and let me know if this is the answer because for some reason I can never get the right numbers even if I follow the right steps.

Please let me know if this is right.

As always, your help is very much appreciated.

=)

Thanks!

I once heard that those who help others, help themselves (its from the Bible) and that is so true!

- Force between Charged Spheres (Physics 11th Grade) -
**bobpursley**, Friday, February 25, 2011 at 2:32pm
You are correct. I will gladly critique your calculations.

- Force between Charged Spheres (Physics 11th Grade) -
**perri**, Friday, February 25, 2011 at 3:59pm
actually, i think you have to convert cm to m. therefore, you would get 6 x 10^-2 as an answer

- Force between Charged Spheres (Physics 11th Grade) -
**Yass**, Friday, March 20, 2015 at 1:41am
Gaga

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