Question

The only forces acting on a 2.7 kg mass are
~ F1=F1x ˆi−F1y ^j and F2=F2x ˆi+F2y ˆj, where
F1x = 2 N, F1y = 7 N, F2x = 6 N, F2y = 2 N.
What is the magnitude a of the acceleration
of the particle?
Answer in units of m/s2