Find the speed of the curve t) : att : 4 Speed = Question Help: 8 Message instructor D Post to forum Submit Question 0 Question 10 B 012 pts '0 100 8 99 CD Details Find the length of the curve at) 2 (5 cos(4t), 5 sin(4t), t) for 7 S t g 7 Give your answer to two decimal places Question Help: 8 Message instructor D Post to forum Submit Question 0 Question 11 B 0/2 pts '0 100 8 99 G) Details Find the curvature of the curve Ht) 2 (3cos(3t),331n(3t), t) at the point t = 0 Give your answer to two decimal places Question Help: 8 Message instructor D Post to forum Submit Question 0 Question 12 a 012 pts '9 100 8 99 0 Details Find the curvature of the curve ?(t) = (213, 5t3, 3t5> at the point t : #2. Give your answer to 2 decimal places