Question 8, 13.4.20 HW Score: 66%, 6.6 of 10 points = Homework: Section.. so can be found by integrating k from so to s,. If the curve has some other parameter, $1 t1 t1 say t, then the total curvature is K = ] kas = J k dt dt = k/v| dt, where to and t, correspond to so and s,. So to to a. Find the total curvature of the portion of the helix r(t) = (9 cos t)i + (9 sin t)j + tk, Osts 4x. b. Find the total curvature of the parabola y = 11x , - co