Calculating Force between Reduced Charges using Coulomb's Law

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Homework Statement



What will be the force between two charges if the magnitude of the charges and the distance between them are reduced by 50%

Homework Equations



F= [(k)(Q1)(Q2)]/(r^2)

The Attempt at a Solution


Is it that the charge would be 1/2C then 1/2d, then solve for F
 
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babiiace234 said:
Is it that the charge would be 1/2C then 1/2d, then solve for F
Replace Q1 by Q1/2, r by r/2, etc. Then see how the force changes.
 
Thank you
 
To solve this, I first used the units to work out that a= m* a/m, i.e. t=z/λ. This would allow you to determine the time duration within an interval section by section and then add this to the previous ones to obtain the age of the respective layer. However, this would require a constant thickness per year for each interval. However, since this is most likely not the case, my next consideration was that the age must be the integral of a 1/λ(z) function, which I cannot model.
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