The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 1 for r(t) = t5i  + 2lnj + k

A. a(1) = 20i + j - 10k
B. a(1) = 20i + j + 10k
C. a(1) = 20i - 2j - 10k
D. a(1) = 20i + 2j + 10k


Answer: D

Mathematics

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