Charge A, +6.00 C, is positioned at the origin of a coordinate system. Charge B,

Question

Charge A, +6.00 C, is positioned at the origin of a coordinate system. Charge B, -5.00 C, is fixed on the x axis at x = 3.00 m.

1) Determine the magnitude and direction of the force that charge B exerts on charge A. Enter a positive value if the force acts in the +x direction and a negative value if the force acts in the -x direction. What is the magnitude and direction of the force that charge A exerts on charge B? Enter a positive value if the force acts in the +x direction and a negative value if the force acts in the -x direction

Explanation / Answer

the magnitude of the force between the two charges is F= kq1q2/r2

F=(9x109)(6x10-6)(5x10-6)/(3)2

F=0.03N

(a)The charge B will attract the charge A towards itself towards positive x-axis

so F= +0.03N

(b) The charge A will attract the charge B towards itself towards negative x-axis

so F= -0.03N

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