A force of $(6 \hat i+8 \hat j) N$ acted on a body of mass 10 kg.The displacement after 10 sec. if it starts from rest will be

Question

a) 50 m along $tan ^{-1} 4/3$ with x axis b) 70 m along $tan ^{-1} 3/4$ with x axis c) 10 m along $tan ^{-1} 4/3$ with x axis d) None