A Charge of +80 $\mu$ C Is Placed on the X Axis at X =

Multiple Choice

A charge of +80 $\mu$ C is placed on the x axis at x = 0.A second charge of -50 $\mu$ C is placed on the x axis at x = 50 cm.What is the magnitude of the electrostatic force on a third charge of 4.0 $\mu$ C placed on the x axis at x = 30 cm?

A) 13 N
B) 77 N
C) 39 N
D) 25 N
E) 45 N