At a certain time instant, the 2 = a ^ + b m .76 c + d m/s ++ || ||(^) || 1 d dt dn) dt vector (t) has At this sane instant of time, Solve below. d 8' (alt)(t)) dt d (a(t). (t)) dt dt (A) (A)) a(t) 11 Proj (alt), (t)) || d 10. ( (3) dt AAA d (act)) d a(t) ( da(t) dt a(t) Proj ((t), (t)) 12 (+). (+) (3 2 (+). a(t) & dt d 14 || Proj (^ (+), ~ (#)) ||=0 1 a ( (+) (t)) dt a dt