The electric field in an xy plane produced by a positively charged particle is 4.94(6.9i + 4.4j)N/C at the point (5.9, 5.8) cm and 131i N/C at point (2.8, 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?