Please use significant figures in your answers and free body diagram if needed and the unitsThank you

Two charged objects, m 1 = 2.00 x 10 kg and m2 = 4.00 x 10 8 kg, accelerate horizontally in an electrical field of 5.00 x 10 N/C. The acceleration of m ] is 4.80 x 10-4 m/s2 and of m2 is 1.00 x 10-4 m/s. What is the charge difference between the two objects