Question: In Problems a-b, find the tangential and normal components (aT and aN) of the acceleration vector at t. Then evaluate at t = t1. a.

In Problems a-b, find the tangential and normal components (aT and aN) of the acceleration vector at t. Then evaluate at t = t1.
a. r(t) = 3t i + 3t2j; t1 = 1/3
b. r(t) = t2 + i + tj; t1 = 1

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