A 0.81 kg object charged with +0.2 JC lies at the origin of a plane. Charge A (-3.0 UC, 0.86 kg) lies 1.9 mm below the positively charged object and Charge B (-2.8 JC, 0.46 kg) lies 3.5 mm to the left of the positively charged object. What is the magnitude of the net acceleration acting on the positively charged object in m/s2 (rounding to the nearest whole number)