Point Charge Electric Fields

  • Thread starter thst1003
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  • #1
thst1003
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Homework Statement


Three charges, q1 = +2.10 10-9 C, q2 = -3.09 10-9 C, and q3 = +1.08 10-9 C, are located on the x-axis at x1 = 0, x2 = 10.0 cm and x3 = 20.0 cm. Find the resultant force on q3.


I am unsure of how to even attempt this problem...
 

Answers and Replies

  • #2
gamma5772
22
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What is the formula for the force between 2 charged particles? Once you know the force 1 exerts on 3 and the force 2 exerts on 3, it is a simple matter of adding them up -- but remember that force is a vector, so you must use vector addition.
 

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