Question 4 > Given the vector function r (t) = (3t, - 5t, +3 + 1) Find the velocity and acceleration vectors at t = - 1 v ( - 1 ) = a( - 1) =Question 5 Find the position vector for a particle with acceleration, initial velocity, and initial position given below. a(t) = (6t, 3 sin(t), cos(2t)) "(0) = ( - 3, -1, 3) T (0) = ( - 3, 2, - 5) r ( t ) = Question 6 Find the tangential and normal components of the acceleration vector for the curve r (t) = (2t, 3+5, - 413) at the point t = 1 a(1) = N Give your answers to two decimal places0 Question 8 v For a particle traveling in R3, the tangential component of acceleration does not depend on the curvature of the particle's path. ' ' " True False