find the speed of a particle at time t whose position function at time t is

r(t)=<t^2cost, t^2sint, t>

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- October 14th 2009, 12:04 AMcottekrspeed of a particle
find the speed of a particle at time t whose position function at time t is

r(t)=<t^2cost, t^2sint, t> - October 14th 2009, 03:29 AMtonio
- October 14th 2009, 05:51 AMHallsofIvy
And speed is the

**length**of the velocity vector.