Three point charges are positioned on the x axis.If the charges and corresponding positions are +32 $\mu$C at x = 0,+20 $\mu$C at x = 40 cm,and -60 $\mu$C at x = 60 cm,what is the magnitude of the electrostatic force on the +32-$\mu$C charge?
A)84 N
B)12 N
C)36 N
D)50 N
E)48 N

Question

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The Answer of Three point charges are positioned on the x axis.If the charges and corresponding positions are +32 $\mu$C at x = 0,+20 $\mu$C at x = 40 cm,and -60 $\mu$C at x = 60 cm,what is the magnitude of the electrostatic force on the +32-$\mu$C charge?
A)84 N
B)12 N
C)36 N
D)50 N
E)48 N

Three Point Charges Are Positioned on the X Axis μ\muμ C at X = 0,+20

Three Point Charges Are Positioned on the X Axis $\mu$ C at X = 0,+20