Two forces act on a 3.0-kg mass that undergoes acceleration a = 0.94i - 0.32j
m/s². If one force is -1.4i - 2.6j N, what's the other?
a. 2.34i + 2.28j N
b. 2.34i - 2.28j N
c. 0.46i + 3.22j N
d. 0.46i - 3.22j N