13.3 Arc length and speed: Problem 1 Previous Problem Problem List Next Problem (1 point) Compute the length of the curve r(t) - Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Email instructor Page generated at 06/12/2020 at 07:42am EDT WeBWork @ 1996-2019| theme: math4 | ww_version: 2.15 | pg_version PG-2.13) The WeBWork Project13.3 Arc length and speed: Problem 2 Previous Problem Problem List Next Problem (1 point) Compute the length of the curve r(t) = ( 2t, In t, 12 ) over the interval 1 5 / 5 7 L = 9.09 Preview My Answers Submit Answers You have attempted this problem 3 times. Your overall recorded score is 0%. You have unlimited attempts remaining. Email instructor Page generated at 06/12/2020 at 07:41am EDT WeBWork @ 1996-2019| theme: math4 | ww_version: 2.15 | pg_version PG-2.13| The WeBWork Project13.2 Calculus of vector-valued functions: Problem 9 Previous Problem Problem List Next Problem (1 point) Find the solution r(1) of the differential equation with the given initial condition: r (t) = (sin 3t, sin 9t, 7t) , r(0) = (9, 3, 9) r(t) = ( Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Email instructor Page generated at 06/12/2020 at 07:40am EDT WeBWork @ 1996-2019| theme: math4 | ww_version: 2.15 | pg_version PG-2.13| The WeBWork Project13.2 Calculus of vector-valued functions: Problem 7 Previous Problem Problem List Next Problem (1 point) Evalute the integral. (Use symbolic notation and fractions where needed. Give your answer in the form of comma separated list of i, j, k components.) So dt =help (fractions) Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Email instructor Page generated at 06/12/2020 at 07:40am EDT WeBWork @ 1996-2019| theme: math4 | ww_version: 2.15 | pg_version PG-2.13) The WeBWork Project