Three charges are arranged in a horizontal line as shown in Figure 1, where the

Question

Three charges are arranged in a horizontal line as shown in Figure 1, where the distances labeled are r1 = 0.65 m and r2 = 0.31 m. What is the net electric force on the center charge (q3) due to the other two charges? (in +N if to the right and

Three charges are arranged in a horizontal line as shown in Figure 1, where the distances labeled are r1 = 0.65 m and r2 = 0.31 m. What is the net electric force on the center charge (q3) due to the other two charges? (in +N if to the right and N if to the left)

Explanation / Answer

here , electric force between two charges is given as

F = k*q1*q2/d^2

Now , here ,

net force on q3 = F2 - F1

F3 = 9*10^9*10^-12 * 2.4 *(4.7/.31^2 - 7.6/.65^2)

F3 = 0.668 N

the force in the charge q3 is 0.668 N

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