I need a step by step for this problem dealing with charges.

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SUMMARY

The discussion focuses on calculating the electrostatic force between two charged balloons, specifically +3.37mC and -8.21mC, separated by a distance of 2.00m. The correct application of Coulomb's Law, represented by the equation F = k * |q1 * q2| / r^2, is critical for accurate results. The initial calculation yielded an incorrect force of 6.2×10^10 N, while the correct answer is 0.0627 N. The error was identified as a miscalculation in the unit conversion for the charges involved.

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Homework Statement


There are two balloons of charges +3.37mC and -8.21mC. The distance between the two balloons is 2.00m. Determine the force between the two balloons.


Homework Equations





The Attempt at a Solution


Here’s my work:

(9.0×10^9Nm^2/C^2)((3.37mC)(8.21mC)/(2.00m)^2)

3.37*8.21=27.6677

2.00^2=4.00

27.6677/4.00=6.916925

6.916925*9.00×10^9=62.252325×10^9=6.2×10^10

It's not right though. The right answer is 0.0627 N
 
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Check the units you've used for the charge of the balloons.
 

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