1. [-/1 Points] DETAILS LARCALC11 12.5.003. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Sketch the plane curve. K. r(t) = 48 - . [0, 4] O O Find its length over the given interval. Need Help? Read It Watch It 4. [-/1 Points] DETAILS LARCALC11 12.5.019. MY NOTES ASK Find the curvature K of the curve, where's is the are length parameter, - Vz s ) Need Help? Read ! Watch It 10 15 10 15 0-4 5. [-/1 Points] DETAILS LARCALC11 12.5.023. Find its length over the given interval. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the curvature K of the plane curve at the given value of the parameter. Need Help? Rees Watch r(t) = Bri - 4. t = 1 K - Need Help? Read" Watch 2. [-/1 Points] DETAILS LARCALC11 12.5.009. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 6. [-/1 Points] DETAILS LARCALC11 12.5.030. The position of a baseball (in ft) is represented by r() = 50vati + (3 + 50vat - 160?jj. Find the are length of the trajectory (flight) of the baseball. (Let : = 0 represent when the ball is hit. Let / = 0 be ground level. Round your answer to one decimal place.) MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the curvature K of the curve. Need Help? Read it r(t) = 9 cos(at)i + sin(at)) Submit Answer Need Help? Read it 3. [-/1 Points] DETAILS LARCALC11 12.5.011. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Sketch the space curve 7. [-/1 Points] DETAILS LARCALC11 12.5.037. Vector-Valued Function Interval r(t) = -ri + 3rj + 4tk (0, 1) MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER find the curvature & of the curve at the point P r(t) = 6 + 3: j, P(-6, 3) Need Help? Read Watch 8. [-/1 Points] DETAILS LARCALC11 12.5.057.MI MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find all points on the graph of the function such that the curvature is zero. (Let O s x s *) O O y = 3 cos (x, 1) =