Calculate Charge of Object A: Mass 100g, Force 0.35N

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SUMMARY

The discussion centers on calculating the charge of Object A (qa) given that both Objects A and B have a mass of 100g, with A having twice the charge of B. The electric force experienced by B is 0.35 N when the objects are 10 cm apart. The relevant equation for this calculation is Coulomb's Law, F = k|q*q'|/r^2, where the mass of the objects is deemed irrelevant for determining charge. The conclusion is that the mass does not factor into the charge calculation directly.

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Objects A and B are both positively charged. Both have a mass of 100 g but A has twice the charge of B. When A and B are placed with 10 cm between their centers, B experiences an electric force of 0.35 N

What is the charge of qa?

I have no idea where to start... I know of the equation..

F = k|q*q'|/r^2
but this does not relate to mass in any way... so how am I suppose to implement the 100g into the equation to solve for qa?
 
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Miike012 said:
Objects A and B are both positively charged. Both have a mass of 100 g but A has twice the charge of B. When A and B are placed with 10 cm between their centers, B experiences an electric force of 0.35 N

What is the charge of qa?

I have no idea where to start... I know of the equation..

F = k|q*q'|/r^2
but this does not relate to mass in any way... so how am I suppose to implement the 100g into the equation to solve for qa?

For this part of the problem, I believe the mass is irrelevant. There may be a follow-on question that asks for the acceleration due to the electric forces or something...
 
the follow up question is what is the charge of B
 

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