Question

The electric field in an xy plane produced by a positively charged particle is 14.2(4.4 + 3.3) N/C at the point (3.1, 3.7) cm and 117 N/C at the point (3.2, 0) cm. What are (in cm) the (a)x and (b)y coordinates of the particle? (c) What is the charge (in Coulombs) of the particle?