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

  • Thread starter ukir
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  • #1
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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
 

Answers and Replies

  • #2
327
2
Check the units you've used for the charge of the balloons.
 

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