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Mathematics 18 Online
OpenStudy (anonymous):

At time t greater than or = to, a particle moving in the xy- plane has velocity vector given by v(t) =. What is the acceleration vector of the particle at time t=3?

OpenStudy (anonymous):

I know acceleration is <x''(t) , y''(t) > but when I find the second derivatives of each i get <2,0> but the asnwer key says <6,5>. IDK how ti get that answer.

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