Find the scalar tangential and normal components of acceleration of a particular with position vector (t)=3sinti+ 3costj +5tk r' (t) r" (t) |r' (t) x r aT = aN |r' (t)\ |r' (t) a. a=0, an=3 b. a=5, an=3 c. a 0, aN 326 d. a=5, aN = 326