A point charge Q is placed on the x axis at x = 2.0 m.A second point charge,-Q,is placed at x = 3.0 m.If Q = 40 $\mu$C,what is the magnitude of the electrostatic force on a 30-$\mu$C charge placed at the origin?
A)7.2 N
B)3.9 N
C)1.5 N
D)14 N
E)8.1 N

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The Answer of A point charge Q is placed on the x axis at x = 2.0 m.A second point charge,-Q,is placed at x = 3.0 m.If Q = 40 $\mu$C,what is the magnitude of the electrostatic force on a 30-$\mu$C charge placed at the origin?
A)7.2 N
B)3.9 N
C)1.5 N
D)14 N
E)8.1 N

A Point Charge Q Is Placed on the X Axis μ\muμ

A Point Charge Q Is Placed on the X Axis $\mu$