2. [0/1 Points] DETAILS PREVIOUS ANSWERS LARCALC11 15.2.010. Consider the following. C: line segment from (0, 0) to (4, 8) (a) Find a parametrization of the path C. r (t ) = (4+ 2t,8 - 2t) Ost5 4 X (b) Evaluate 1 ( x 2 + 1 2 ) ds 376 3 X Need Help? Read It Submit Answer 3. [0/1 Points] DETAILS PREVIOUS ANSWERS LARCALC11 15.2.015. Consider the following. C: counterclockwise around the triangle with vertices (0, 0), (1, 0), and (0, 1) (a) Find a piecewise smooth parametrization of the path C. (1,t ) Osts 1 X r (t) = 3 (2 , 1 - 2 ) 1 s t s 2 X (3 + t,t - 3 ) 2 Sts 3 X (b) Evaluate ( * + 8 vy ) ds. 19 3 Need Help? Read It Watch ItSubmit Answer 4. [0/1 Points] DETAILS PREVIOUS ANSWERS LARCALC11 15.2.021. Evaluate the line integral along the given path. ( x 2 + 1 2 + 2 2 ) ds C: r(t) = sin(t)i + cos(t)j + 4k Osts 1 5 17t + c X Need Help? Read It Watch It Submit Answer 5. [0/1 Points] DETAILS PREVIOUS ANSWERS LARCALC11 15.2.024. Find the total mass of two turns of a spring with density p in the shape of the circular helix below. r(t) = 6cos(t)i + 6sin(t)j + 4tk p ( x , y, z ) = z 208t + 32C X Need Help? Read It Submit Answer6. [0/1 Points] DETAILS PREVIOUS ANSWERS LARCALC11 15.2.029. Evaluate F . dr. F (x, y) = xi + yj C: r(t) = (5t + 9)i+ti, osts1 15 X Need Help? Read It Watch It Submit Answer 7. [-/1 Points] DETAILS LARCALC11 15.2.037.MI. Find the work done by the force field F on a particle moving along the given path. F(x, y) = xi + 8yj C: x = t, y = t from (0, 0) to (6, 216) 200 150 100 50 2 6 8 10 Need Help? Read It Watch It Master It8. [-/1 Points] DETAILS LARCALC11 15.2.053. Evaluate the line integral along the path C given by x = 4t, y = 8t, where 0