What is (Fnet3)x, the x-component of the net force exerted by these two charges on a third charge q3 = 55.0 nC placed between q1 and q2 at x3 = -1.220 m ? Your answer may be positive or negative, depending on the direction of the force. Express your answer numerically in newtons to three significant figures.

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What is (Fnet3)x, the x-component of the net force exerted by these two charges on a third charge q3 = 55.0 nC placed between q1 and q2 at x3 = -1.220 m ? Your answer may be positive or negative, depending on the direction of the force. Express your answer numerically in newtons to three significant figures.

The net force exerted on the third charge is  

Explanation:

From the question we are told that

    The third charge is  

    The position of the third charge is  

     The first charge is

     The position of the first charge is

      The second charge is  

      The position of the second charge is    

The distance between the first and the third charge is

The force exerted on the third charge by the first is  

Where k is the coulomb's constant with a value  

substituting values

 The distance between the second and the third charge is      

The force exerted on the third charge by the first is mathematically evaluated as

substituting values

The net force is

substituting values

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