The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 3 for r(t) = (5t - 3t4)i + (3 - t)j + (3t2 - 10t)k
A. a(3) = -324i + 6k
B. a(3) = -324i - j + 6k
C. a(3) = -81i + 6k
D. a(3) = 324i + 6k
Answer: A
Mathematics
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