Three charges are placed in a line. Charge A is at x = −0.0500 m, Charge B is at the origin, and Charge C is at x = 0.0800 m. Based on the charges given below, what is the magnitude of the net force on Charge B in newtons? Qa = 2.00×10−5 C, Qb = 4.00×10−5 C, Qc = 3.00×10−5 C N